Question:
As part of an experiment, Riley planted six plants in regular potting soil. Six other plants were planted in potting soil with coffee grounds. The plants with the coffee grounds are the________ group. The plants with just potting soil are the________ group.
Answer:
As part of an experiment, Riley planted six plants in regular potting soil. Six other plants were planted in potting soil with coffee grounds. The plants with the coffee grounds are the__experimental__ group. The plants with just potting soil are the__control_ group.
Explanation:
During an experiment, data from an experimental group is compared with the data from a control group. Both groups are selected from the same pool or population, so they are identical in all aspects except for the independent variables.
The control group is used to identify any other factors influencing the results obtained in the study, apart from the modified variables of the treatment.
The experimental group is the one that receives the experimental procedure or treatment. The researcher voluntarily changes the independent variables in the experimental group to observe how they affect the group under study. These variables are kept constant in the control group, not influencing the results, while the experimental group receives the treatment. There can be several experimental groups.
In the exposed example, the coffee in the soil is acting as the treatment. And the regular soil is the unchanged environment.
Plants that grow in soil with coffee are the experimental group because the researcher wants to know how the coffee affects the plants´ growth.
Plants growing the regular soil are the control group because they are not affected by the coffee. If there is any other factor influencing the results in the regular soil, it will be revealed by these plants.
In an experiment, data from the experimental group is compared with the data from the control group.
The given blanks for the statement can be given as:
As part of an experiment, Riley planted six plants in regular potting soil. Six other plants were planted in potting soil with coffee grounds. The plants with the coffee grounds are the experimental group. The plants with just potting soil are the control group.
The experiment involves an experiment and a control group. The value from the experimental group is measured with the values obtained from the control group.
The data in both groups are selected from a similar gene pool or population.
The control group in an experiment helps in the identification of the factors influencing the probable results.
The experimental group is the one that undergoes the experimental procedure or treatment. The independent variables are voluntarily changed and the researcher observed the effects of variables in the experimental group.
The variables in the control group are constant and do not affect the results, whereas in the experimental group the variables are changed and affect the results.
For example, the coffee in the soil is a type of treatment, in which the regular soil is the unchanged environment.
Plants will grow in the environment where the coffee has been incorporated, and the researcher wants to study the impact of coffee on the growth of the plant.
Plants in the regular soil will not be affected by the coffee and are the control group. The factor influencing the results in regular soil will be expressed in the plant.
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What evidence does not support the evolution of chloroplasts and mitochondria from prokaryotic cells?
A. Fossilized remains of archaebacteria
B. Double membranes of the organelles
C. Similar methods of reproduction
D. Presence of circular DNA
Answer:
A. Fossilized remains of archaebacteria
Explanation:
One example of evidence that does not support the theory is that Mitochondria and chloroplasts are much larger than prokaryotic cells.
Food chains from four different habitats are shown below.
Ocean: seaweed → sea urchin → squid → shark
Wetland: mosquito → fish → turtle → bacteria
Rainforest: peacock flower → monkey → jaguar → mushroom
Grassland: grass → mouse → hawk → vulture
Which food chain correctly represents a pattern of energy transfer from producer to consumers to decomposer?
Answer:
Is A or C
Explanation:
C makes more sense.
The food chain that correctly represents a pattern of energy transfer from producer to consumers to decomposer is:
Wetland: mosquito → fish → turtle → bacteria
In this food chain, the mosquito is the primary consumer that feeds on the producer (plant) - the energy from the plant is transferred to the mosquito. Hence option B is correct.
What is Food Chain?A food chain is a sequence of organisms in an ecosystem in which each organism feeds on the one before it and is, in turn, preyed upon by the organism after it.
The food chain represents the flow of energy and nutrients through an ecosystem, with producers at the bottom and apex predators at the top. The primary producers in a food chain are typically plants and algae that use sunlight to produce energy-rich organic compounds through the process of photosynthesis.
The fish is the secondary consumer that feeds on the mosquito, transferring the energy to the fish. The turtle is the tertiary consumer that feeds on the fish, transferring the energy to the turtle.
Finally, the bacteria act as decomposers that break down the dead organic matter from the turtle and other organisms, releasing the energy back to the environment in the form of nutrients.
Hence option B is correct.
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A can of hair spray has a pressure of 300 psi at room temperature 21°C. The can is accidentally moved too close to a fire and its temperature increases to 295°C. What is the final pressure in the can? (Round answer to nearest whole number.)
In some forests are cleared by burning .This produces carbon dioxide and ash.
(a) Outline the environment effects of am increase in carbon dioxide in the atmosphere as a result of burning forests.
(b) The ash helps crops to grow bcuz it is rich in minerals, such as magnesium ions ,but it is deficient in nitrate ions.
Explain why nitrate ions and and magnesium ions are important for plants.
Answer:
B. The ash helps crops to grow because it is rich in minerals, such as magnesium ions, but it is deficient in nitrate ions.
Explanation:
After the forest is being burned, ash and carbon dioxide increase on the surface of the ground. It is good for the plant to grow because the plant uses carbon dioxide for photosynthesis, and its root absorbs energy from the ground where ash is very good for the plant to grow.
Student 1: Artificial selection is done on humans and this creates mutations . Student 2: Artificial selection has only recently been done by scientists. Student 3: Different breeds of cows have been created through artificial selection
Which student do you agree with the most and why?
Answer: Student 3
Explanation:
One of the pieces of evidence for evolution that Charles Darwin collected on his travels aboard the HMS Beagle was the observation of fossils of extinct animals and similar, but noticeably different species. Giant ground sloth fossils were very similar in shape to the bones of sloths that inhabited the regions of South America he was exploring. The main difference was the size, as the ground sloth fossils were significantly larger that the bones of the sloths he captured alive. What was a conclusion that Darwin was able to arrive to based on this piece of evidence
Answer: Darwin was able to arrive at a conclusion that there was no relationship between the fossils of the ground sloth and the bones of the captured sloths that currently reside in South America.
Explanation:
Evolution is defined as the sum total of adaptive changes that have taken place over a very long period of time. It leads to the development of new species from earlier ones. Evolution is an extremely slow process. It is difficult to obtain direct evidence of evolution in action. However, scientist such as Darwin, have gathered a great deal of indirect evidence that supports the theory of evolution. These evidence comes from many sources including:
--> fossils records
--> biochemical similarities
--> molecular records
--> Comparative anatomy and
--> embryology.
FOSSILS RECORDS shows the existence of species that are now in extinct which lived on Earth during different periods of the planet's history. They provide evidence that organisms from the past are not the same as those found today due to adaptive changes that has occurred over a long period of time on the organism in order to survive in its environment.
There was no relationship between the sloths because of the difference in BONE MASS.
Sasha uses a basketball and a tennis ball to represent two astronomical bodies based on their sizes.
Which of the following representations is the most correct based on what Sasha has? (5 points)
a
The basketball represents Earth and the tennis ball represents the solar system.
b
The basketball represents the moon and the tennis ball represents the solar system.
c
The basketball represents the solar system and the tennis ball represents Earth.
d
The basketball represents the solar system and the tennis ball represents the Milky Way.
Answer:
I believe the answer is C.
Explanation:
This is because the basketball is the bigger object here so that should represent something bigger like the solar system. Then the tennis ball would represent earth because it is the smaller object here.
Translation is the process of:
a. mRNA being decoded into proteins
b. DNA being copied into mRNA
c. DNA being duplicated
d. mRNA is being copied into DNA
Answer:
A
Explanation:
Because Translation refers to the process of creating proteins from an mRNA template.
Define 4 types of teeth(incisors,canines, premolars and molars)
Who answered correct will get a the brainliest answer and a free follow.Have a nice day
Which of the following would be examples of concentration gradients in everyday life? PICK ALL THAT APPLY.
Running up a slide at the playground.
A drop of food coloring spreads out into a glass of water.
The smell of fresh-baked cookies starts from the kitchen and moves to the rest of the house.
The air freshener that you sprayed in the living rooms spreads out.
Answer:
A drop of food coloring spreads out into a glass of water.
The smell of fresh-baked cookies starts from the kitchen and moves to the rest of the house.
The air freshener that you sprayed in the living rooms spreads out.
Explanation:
A difference in concentration of molecules in physical space is called a concentration gradient. An easy to understand example from everyday life is the application and subsequent fading of perfume or aftershave scent.
Answer:
A drop of food coloring spreads out into a glass of water.The smell of fresh-baked cookies starts from the kitchen and moves to the rest of the house.The air freshener that you sprayed in the living rooms spreads out.Explanation:
These are the examples of concentration gradients in everyday life.
1. Use the list below to complete the following statements.
adapt extinct mutation adaptations fittest natural selection criticism fossil saber-tooth tiger Darwin giant sloth survival evolution glyptodont variation
a. The term describes living things that are best suited to their environment.
b. Species that survive are the ones that make or meet changes.
c. Florida has a rich record.
d. Two examples of land animal fossils found in Florida are the ________ and the ______.
e. Some animals unable to adapt to the changing environment became ___________.
f. Living things _______________ over time to meet their changing environment.
g. This biologist, __________________, studied evolution in the 1800s.
h. The ________________ was a giant, armadillo-like animal with a spiked tail that once lived in Florida.
i. The Origin of Species is a book written in 1859 about ___________________.
j. Nature selects the fittest for ______________________because they have useful traits.
k. Changes may occur in animals due to changes in the sequence of base pairs in their DNA, and this is known as a __________________.
l. Oldfield mice show ____________________ in the color of their fur.
m. The survival of the light-colored oldfield mice on Florida's Gulf Coast is an example of the process called ________________________.
n. Evolution is a controversial theory that has survived much _________________.
2. Write a micro-theme using and explaining the following terms.
a. "Survival of the fittest"
b. Adaptation
c. Evolution
3. Use the list below to write the correct term for each definition below.
adaptation
extinct
gene
Darwin
fittest
mutation
evolution
fossils
natural selection
_________________________ a. A change in genes that causes a change in a particular trait
_________________________ b. Describes a species that no longer has any living representatives
_________________________ c. A trait that a species develops over generations which helps it to survive
_________________________ d. a unit of DNA that determines a specific trait in the organism
_________________________ e. The survival of organisms best fit for the environment
_________________________ f. Changes in living things over time
_________________________ g. Remains of organisms that lived in the past
_________________________ h. Best suited to survive in its environment
_________________________ i. The biologist who developed and offered evidence of the theory of Natural selection
4. Answer the following using complete sentences.
a. How does genetic variation create new species over time?
b. How does changing the proteins produced in a cell alter what an organism does?
c. In terms of evolution, why do animals that are preyed upon (eaten) likely to have a high number of offspring?
d. Why is it vital that a scientist recognize his or her own biases and that they be open to criticism?
5. We chose to spotlight Florida animals because The Ogburn School is located in Florida. Your next assignment is to conduct an internet search to discover information related to animal diversity. You may choose to research animals in the state you live in. If you live in Florida you may choose to research a Florida endangered species, or one from another state or country. Your research must include the following:
a. species of animal
b. location of animal (state or country)
c. the animal's status (extinct, endangered, threatened, etc.)
d. reason for status (why is animal extinct, endangered, threatened, etc.)
e. type of habitat needed for survival
f. conservation efforts on the animal's behalf
g. prospects for the future of this animal
Answer:
d=alligators, deers
E=extinct
f=reproduce
g=Mr. Kinley
H=anteater
I=Eveloution
J=survival
K= ???
L or I? = bones
Explanation:
Make me brainliest no matter what
Answer:
for k is mutation
Explanation:
PLEASE ANSWER ALL THREE QUESTION ABOUT BIOLOGY!! WILL GIVE BRAIN!!
Explanation:
1).True
2).false
3).false
Answer:
Sorry, it wouldn't really let me post it :\
What is the purpose of stems in plants?
Answer:
The primary functions of the stem are to support the leaves; to conduct water and minerals to the leaves, where they can be converted into usable products by photosynthesis; and to transport these products from the leaves to other parts of the plant, including the roots.
hope this helps
have a good day :)
Explanation:
Answer:
The primary functions of the stem are to support the leaves; to conduct water and minerals to the leaves, where they can be converted into usable products by photosynthesis; and to transport these products from the leaves to other parts of the plant, including the roots.
Explanation:
hope this helps
Astronomers use the light year to describe the relationship between objects in space, for example, the andromAda galaxy is 2.5 million light years from earth which of the following units is most similar to the light year
A. Gram
B. Second
C. Kilometer
D. Degrees Celsius
Erythropoietin is a HORMONE produced by the KIDNEYS that simulates (causes) the production of RED BLOOD CELLS. Which three organ systems are interacting when this happens?
Answer:
Circulatory and Urinary. Unsure of third one.
Explanation:
For a cell to successfully receive a message from a hormone, which of the following must occur?
A: The hormone must attach to the cell's receptor.
B: The hormone must enter the cell.
C: The hormone must produce neurotransmitters.
D: The hormone must be destroyed.
Answer:
B. the hormone must enter the cell
Answer:
A: The hormone must attach to the cell's receptor.
The development of this new BLG-free, hypoallergenic milk is based on a science that came to the forefront 150 years ago. What scientist's work provided the basis for such feats in biotechnology?
Answer: Mendel and genetics
Explanation:
planet earth King Penguins and Fur Seals King Penguins and Fur Seals are both designed for swimming, and thus are very clumsy on land. With that in mind, answer these questions: Why do the penguins come onto land at all
Answer:
For breeding and moult purpose.
Explanation:
The penguins come onto the land for breeding and moult purpose. They will also spend time ashore during non-breeding months of their life cycle. They are only active at night on land. They leave the colony early in the morning before sun-rise, and return to the colony after dark with food with it in order to feed their families. They can't breed in water like fish so they comes to the land for breeding.
Which experiment should be conducted as a field investigation?
8. Which national capitals are located within the rainforest area?
Rainforests are the area which covers mostly evergreen forests with tall trees. It is located in capitals like Manaus, capital of Amazonas estado, northwestern Brazil.
What are rainforests?Rainforests are the areas of tall, evergreen forests. It is characterized by closed tree canopy, moisture dependent vegetation, epiphytes, lianas, etc.
Tropical rainforests are located generally in Central and South America, western India, Southeast Asia, etc.
The national capitals that have this type of forest is Manaus, capital of Amazonas estado, northwestern Brazil.
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Explain the reactions from
Glycolysis, link reactions,
Krebs cycle to Electron
transport chain
Explanation:
Glycolysis is the stage where glucose is broken down into 2 pyruvates (3 carbon compounds). This occurs in the cytoplasm and produces 2 ATP molecules. The pyruvates enters the mitochondria and enters the link reactions where it combines with co enzyme A (CoA). Decarboxylation ( removal of CO2) and dehydrogenation (removal of H) occurs here. Since CO2 is removed from the pyruvate it means a carbon is removed. This produces a 2 carbon compounds called acetyl. The acetyl compound is what combines with the CoA to form a compound called acetylCoA. This compound then enters the Krebs cycle.
The CoA co enzyme leaves and the acetyl reacts with a four carbon compound called oxaloacetate. This then forms a 6 carbon compound compound called citrate. A series of dehydrogenation and decarboxylation reactions occur to convert the 6 carbon compound back to oxalaoactate( the 4 carbon sugar). An ATP molecule is formed during one spin of the Krebs cycle.
The electron transport chain is where the reduced NAD (formed from dehydrogenation in glycolyisis, the link reactions and Krebs cycle) and Reduced FAD ( formed from dehydrogenation in the krebs cycle). molecules pass along a series of electrom carriers where they release energy that will be used to make ATP. Oxygen is the last electron carriers
I tried to sum it up as best as possible. If you want in detail explanations of each then I can explain it also.
8. The diagram below shows the shift in the spectrum for hydrogen light from several different sources in the universe.
What is the best argument that can be made from this data?
More distant galaxies are moving toward us faster.
More distant galaxies are brighter.
More distant galaxies are not as bright.
More distant galaxies are moving away faster.
Answer:
more distant galaxies are moving away faster.
the shift towards red (Doppler effect like with sound on Earth) is the indication.
Explanation:
what did this have to do with biology ?
and by the way, this is also something I debate severely in scientific communities, because yes, the red shift is there. but "more distant" also means "more in the past", so that the data shows us actually that things in the past moved faster away. not necessarily today ...
help please it’s a text
Answer:
c I think ( why does it need to be 20chacters long )
Explanation:
that all I got
Answer:
nooooooo
it's D
and can u now please mark me brainlist
In radioactive dating, scientists determine the age of a fossil by
Which of the following can occur around a subduction zone?
Two parallel mountain ranges commonly develop above such a subduction zone – a coastal range consisting of sedimentary strata and hard rock lifted out of the sea (accretionary wedge), and a volcanic range farther inland (volcanic arc). Ancient magma chamber rocks can be exposed if subduction stops and the volcanoes erode away.
Which of the following best describes the capsid of a virus?
Explanation:
Capsids are made of protein subunits called capsomeres. ... Capsids are made of protein subunits called capsomeres, they protect the nucleic acid, they function in viral entry, and their shape is defined by the way in which their subunits are linked together.
All of these characteristics are accurate descriptions of viruses. Therefore option D is correct.
A. Viruses are considered to be non-living: Viruses do not possess the characteristics of living organisms, such as the ability to metabolize, grow, or reproduce on their own. They are dependent on host cells to carry out these functions.
B. Viruses possess a capsid and nucleic acid: A virus consists of genetic material, either DNA or RNA, enclosed in a protein coat called a capsid. The capsid protects the viral genetic material and facilitates its entry into host cells.
C. Viruses are obligate intracellular parasites: Viruses require a host cell to replicate and complete their life cycle. They cannot reproduce or carry out essential metabolic processes without infecting a host cell.
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Your question is incomplete, but most probably your full question was.
Which of the following best describes viruses?
A. They are considered to be non-living.
B. They possess a capsid and nucleic acid.
C. They are obligate intracellular parasites.
D. All are correct.
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For a population to be in Hardy-Weinberg equilibrium, five assumptions must be true. Choose two of these and explain them briefly.
Answer:
To maintain this balance, the Hardy-Weinberg Equilibrium Principle states that a population should meet five main assumptions. There should be random mating, large population size, no mutation, no selection on the gene in question, and no gene flow in or out of the population.
Explanation:
how wide and deep is the great pacific garbage patch
Photosynthesis creates ______
A.
chlorophyll
B.
sugar
C.
carbon dioxide
D.
energy for the cell
A fetus possesses a mutation that causes the diencephalon region of the developing brain to cease growing. Which structures in the mature brain will be missing/abnormal if the fetus survives to birth and childhood
Hypothalamus, pineal gland, and thalamus. Sensory abnormalities, visual-field deficiencies, and alterations in behaviour are all potential consequences of thalamic injury.
Thalamus, hypothalamus, subthalamus, and epithalamus are the four principal diencephalon subdivisions. Recognizing sensory stimuli and relaying sensory impulses to the cerebral cortex (apart from olfaction) are the main duties of the thalamus, which is the brain's biggest division.
One of the primary vesicles that create the brain during embryogenesis is the diencephalon. One of the three main germ layers, the ectoderm, is responsible for forming a neural tube during the third week of development.
Here are the structures that make up the diencephalon:
posterior pituitary epithalamus, thalamus, and hypothalamus
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