Answer:
Each level in the food chain is called a trophic level.The different trophic levels are primary producers, primary consumers, secondary consumers, tertiary consumers and quaternaty consumers.
Why is hair follicle and hair shaft important ?
Answer:
A hair follicle anchors each hair into the skin. The hair bulb forms the base of the hair follicle. In the hair bulb, living cells divide and grow to build the hair shaft. Blood vessels nourish the cells in the hair bulb, and deliver hormones that modify hair growth and structure at different times of life.
Explanation:
1. Assuming there has been no geological activity to disturb the order of the rock layers, state in which rock layer (A-O) you would find:
(b) The oldest rocks at Location 1:
Assuming there has been no geological activity to disturb the order of the rock layers, rock layer is (b) The oldest rocks at Location.
What are the Finding of the oldest rocks?The global is a tougher challenge than it'd seem. Earth's crust is a dynamic gadget and is constantly in motion, so rocks are always being moved around, created and melted down withinside the fantastic geological recycling programThe oldest zircon dates are 4.36 billion years. Before this study, the oldest dated rocks have been from a frame of rock called the Acasta Gneiss withinside the Northwest Territories, which can be 4.03 billion years old.
There were older dates from Western Australia for remoted resistant mineral grains referred to as zircons," says Carlson, "however those are the oldest complete rocks located so far." The oldest zircon dates are 4.36 billion years.
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Which answer a b or c.
The diagrams A and B below show a student moving the same boxes in
two different ways. In diagram B, the student is using wheels, which are
part of a simple machine.
It will be easier for the student to use wheels to push the boxes in
diagram B because there is
(A) less mass
(B) less friction
(C) more gravity
(D) more erosion
Which of the following affects the carrying capacity of an ecosystem?
A.
availability of water
B.
number of predators
C.
availability of food
D.
all of these
Answer:
I think your answer would be D. All of These.
Explanation:
All of them are needed.
4.. Which of the following best explains why
pulmonary arteries have lower oxygen
and higher carbon dioxide levels than
veins have?
(A) Pulmonary arteries have blood that has been
saturated by oxygen.
(B) Pulmonary arteries carry blog from the heart
to the lungs.
(C) Pulmonary veins carry
from the lungs
to systemic tissues.
(D) Pulmonary veins diffa their oxygen to
pulmonary arteries
(E) Systemic capillaries rculate blood to
pulmonary veins
ama Na
which of the following organelles are found in plant cells but not animal cells
Answer:
The plant cells have cell wall, plastids, chloroplasts. These organelles are NOT present in animal cells.
The Wallace Line separates marsupials from what other kinds of species?
Answer:
The Wallace Line separates marsupials from placental mammals.
What would happen to plants if they were deprived of sunlight?.
Plants that are sunlight deprived can lose their colour and die, this means that photosynthesis can't take place either.
What forms of nitrogen and carbon can be used by plants?.
Nitrogen in form of soluble nitrite salts
Carbon in form of carbon dioxide
Nitrogen is converted to salts by the action of nitrogen fixation bacteria or can be provided by use of chemical fertilizers or organic fertilizer
carbon dioxide is present in air from where plants influx it from stomata opening in leafs
Whose cell does not have a cell wall ? a) human b) algae c) plants d ) bacteria
with explanation .
Human
animals always move, they are not static in one particular place, therefore they need to be flexible. Therefore additional layer i.e cell wall is not required
Which combinations of traits would be possible in future generations if the genes for fur color and eye color assort independently? Select all possibilities.
Answer:
the answer would be black fur, black eyes and white fur , red eyes
Explanation:
Which is a negative effect of deforestation on the environment?
habitat restoration
desertification
soil production
urbanization
The negative effect of Deforestation on the environment includes biodiversity loss, soil erosion, water pollution, and desertification. So option B is correct.
What is meant by deforestation?Deforestation is the process of removing trees from a forest to facilitate human activities. Deforestation is a major environmental issue as it can lead to biodiversity loss, habitat destruction, water pollution, and soil erosion.
The most common definition of deforestation is the felling of trees by humans. However, deforestation can also be caused by natural events such as floods or fires. Deforestation is most commonly used to clear land for agricultural purposes or to harvest timber from fallen trees.
The rapid decimation of forests is causing a biodiversity crisis unprecedented in history. The primary impact of deforestation on wildlife is habitat destruction. Many factors associated with the destruction of trees contribute to the extinction of species. Land erosion removes nutrients from the soil, which is a major source of food for animals and plants.
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Organisms such as jellyfish and sea turtles depend on which ocean movements to find food and avoid predators? *
a. tides
b. waves
c. gravity
d. currents
Answer: D. Currents
Explanation:
A current is the movement of streams under the water. It carries organisms and other matter through the ocean. Jellyfish, although they can swim, mostly rely on currents to float through the water.
6. (a) What two major changes have occurred in the North Fork Toutle River?
A massive landslide Mud flows in the Toutle river.
How changes have occurred in the North Fork Toutle River?There had been many earthquakes in the area prior to eruption but this happen to be a massive land slide because a moving magma have over steepened the mountain slopes.
This geologic process uses gravity to cause rock, soil, artificial fill or a combination of the three to move down a slope. Slow weathering of rocks as well as soil eruption and volcanic activity also causes landslides
Thus, massive landslide Mud flows in the Toutle river.
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A major difference between scientific explanations and commonsense explanations is that scientific explanations are
Answer:
scientific explanations are descriptions that are tested, observed, and backed up with evidence for realities in the natural world.
DNA from a wolf is compared to DNA from a maple tree. Both will contain the
a. sugar deoxyribose and the base guanine
b. sugar deoxyribose and the base uracil
c. sugar ribose and the base guanine
d. sugar ribose and the base uracil
The DNA of both wolf and a maple tree contains the sugar deoxyribose and the base guanine.
What do you mean by DNA?DNA stands for deoxyribose nucleic acid. It is considered one of the most important genetic materials which are present in most organisms.
DNA possesses the sugar deoxyribose, while RNA contains the sugar ribose. As a wolf and a maple tree both possess genetic material DNA, the sugar found in both is deoxyribose.
DNA contains nitrogenous bases such as Adenine, Thymine, Guanine, and Cytosine, while RNA contains Uracil in place of thymine.
Therefore, the DNA of both wolf and a maple tree contains the sugar deoxyribose and the base guanine.
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What year did the scientist start collecting data about perch height of the green anoles
May 1995 is when they started collecting data about the perch height of the Green Anoles.
The heat from the room heater spreads throughout the room by
Radiation
Convection
Conductor
Insulator
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Radiation
Radiation is heat traveling in the form of visible and non-visible light.Answer:
Radiation
Explanation:
Heat travell in a form of invisible light
state the difference between the synthesis and the breakdown of a protein. thanks!
Synthesis of protein is the building up of protein molecule while the breakdown of protein is the degradation of the protein molecule.
What is protein?Protein is one of the biological molecules that present in living organisms and contain it's building blocks known as amino acids.
The synthesis of protein is the process used by living organism to produce proteins from amino acids (that is the building block).
The breakdown of protein is the degradation of protein molecule which is also called catabolism.
Therefore, the difference between protein synthesis and breakdown is that synthesis of protein is the building up of protein molecule while the breakdown of protein is the degradation of the protein molecule.
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When developing a business plan for a greenhouse, one of the things a grower will wish to do is calculate
crop costs and crop yield estimates using what base unit?
a. per square yard
b. per acre
c. per square foot
d. per building
*its c*
A grower will wish to do is calculate crop costs and crop yield that estimates by using a base unit known as per square foot.
What do you mean by Crop yield?The crop yield may be defined as the total productivity of a crop at a particular season, It also deals with the weight of grains that are grown in the agricultural field.
The cost of a crop with respect to its yield is always calculated by using a base unit called per square foot.
Therefore, a grower will wish to do is calculate crop costs and crop yield that estimates by using a base unit known as per square foot.
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What is the branch of biology that investigates cells called?.
Answer:
The branch of biology that studies the cell and its process in detail is called cellular biology or cytology
Explanation:
This includes studying their structure, functions, and biochemical processes.
The branch of biology that investigates cells is called cell biology.
What is cell?Cell is the smallest unit in biology that can sustain life on its own and makes up all living things as well as the body's tissues.
The cell membrane, the nucleus, and the cytoplasm are the three primary components of a cell. The substances that enter and leave the cell are governed by the cell membrane, which encloses the cell.
The study of cell structure and function is known as cell biology, and it is based on the idea that a cell is the basic building block of all life.
A thorough grasp of the tissues and organisms that cells make up is made possible by concentrating on the cell.
Thus, cell biology is the branch that investigates cells and its structure and functioning.
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what happens to bacterial growth after 40∘ c
Answer:
It depends on the type of bacteria.
Explanation:
Without more information, it would be impossible to tell what would happen to bacterial growth after 40 C. Some bacterial growth will slow, some will undergo a population explosion.
Which is a tectonic process that forces rock up from beneath earth's surface
Answer:
Uplift is a tectonic process that forces rock up from beneath earth's surface
Uplift is a tectonic process that forces rock up from beneath earth's surface.
What is tectonic process?
The process of plate tectonics may be driven by convection in Earth's mantle, the pull of heavy old pieces of crust into the mantle, or some combination of both.
Uplift, in geology, vertical elevation of the Earth's surface in response to natural causes. Broad, relatively slow and gentle uplift is termed warping, or epeirogeny, in contrast to the more concentrated and severe orogeny, the uplift associated with earthquakes and mountain building.
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In most cases, bioluminescence is useful for:
attracting prey
producing oxygen
supporting plant life
navigating dark waters

Answer:
Attracting prey
Explanation:
Rule out other answers.
Plants in dark water already are adapted.
If a fish such as an angler fish lives in dark waters then there would not be a need to create light to see because then they could just live in a different part of the ocean.
Light doesn't create oxygen.
If you want to measure the length of a football field in metric units, which of the following are you most likely to use?
centimeters
centiliters
hectoliters
hectometers
Answer: hectometers
Explanation:
Body Temperature Control Control of body temperature is important for maintaining homeostasis, particularly in areas where temperature varies widely with time of day and with season.
- An ectotherm is an animal whose regulation of body temperature depends mostly on its relationship to sources of heat outside its body. Most reptiles, invertebrates, fishes, and amphibians are ectothermic.
- An endotherm is an animal whose body temperature is regulated, at least in part, using heat generated by its body. Birds and mammals are endothermic.
5. List three features that animals need in order to control their body temperature.
Answer:
The features are
The thyroid glandsThe musclesThe skin.high temperature from too much heat of the sun could be experienced during ______ seaseon
Answer:
Summer
Explanation:
Since summer months are usually more hot, the temperature is higher. This can have many effects on people. For example, if your body temperature rises to 104 C or higher it causes heatstroke.
Any change in a sequence of DNA is ...
A. a mutation.
B. mitosis.
C. a virus.
Answer:
A. Mutation
Explanation:
A change in the sequence of DNA would be best classified as a mutation. Mitosis refers to the reproduction of cells, and a virus is a foreign body that infects cells.
Answer:
A. Mutation
Explanation:
when you change DNA it causes mutations because they have been ruptured and many things could go wrong in your body, so stay away from x-rays and such because that can cause one. :)
chlorophyll is necessary for photo
synthesis
Answer:
Yes
Explanation:
Im doin it rn in edge