According to the research, population members that are more likely to survive and reproduce is a principle called natural selection.
What is natural selection?It is the process of adaptation to the environment by which only living beings with certain characteristics reproduce and survive.
Better-adapted organisms crowd out less-adapted ones by slowly accumulating favorable genetic changes in the population over generations.
Therefore, we can conclude that according to the research, population members that are more likely to survive and reproduce is a principle called natural selection.
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Select the correct answer.
If pinecones are placed in water, they close up. But they open up in warm and dry conditions. How do pinecones benefit
from this characteristic?
A. It helps carry out photosynthesis efficiently.
B. It protects their seeds from unfavorable conditions,
C. It allows the plant to mature for reproduction.
D. It helps the plant take in nutrients from the environment.
i made this a question bc it doesn't make sense from anybody else's but i just got the right answer its B.
Help please . when and where would you expect to find the highest rate of primary productivity?
o a. in the temperate regions during the summer months
o b. in the polar regions during the summer months
c. in the polar regions during the fall
o d. in the tropics during the fall
Expected to find the highest rate of primary productivity in the tropics during autumn
In which ecosystems is primary productivity highest?The more sunlight the system receives, the greater the productivity. Thus, in tropical regions — where there is more sunlight and temperatures are higher throughout the year — productivity is higher than in places with a
temperatecold or polar climate.With this information, we can conclude that Expected to find the highest rate of primary productivity in the tropics during autumn
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Which of the following techniques allows farmers to budget for improved cash flow and make agreements
dependent on future harvests?
A.)crop rotation
B.)seeding rates
C.)Oyield estimates
D.)Orecommended rates
While touring a costa rican rain forest on vacation, dana learns that rainforests have the highest biodiversity of any ecosystem on the planet. the guide defines the term biodiversity for the group. which definition does she give
The diversity of life on Earth can be from genes to ecosystems, and can include the evolutionary, ecological, and cultural processes that keep life going. can be the definition that is used by guide.
What are the types of biodiversity?The biodiversity can be of the following three types:
Species diversity.Genetic diversity.Ecosystem diversity.The definition that is used by guide can be probably the diversity of life on Earth at all levels, from genes to ecosystems, and can include the evolutionary, ecological, and cultural processes that keep life going.
Thus, this is the definition that the guide can use to make it understand to Dana.
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What kind of hormones enter target cells and combine with intracellular receptors to form hormone-receptor complexes
The type of hormone that enter target cell is the Insulin, a nonsteroid hormone, binds with a cell membrane receptor causing activation of proteins inside the cell.
What are hormones?Hormones are defined as the body chemical messengers that helps to carry out biological processes in the body.
These hormones are secreted directly into the bloodstream where they enter target cells and combine with intracellular receptors to form hormone-receptor complexes.
A typical example of such hormone is the insulin.
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Explain how blood type contributes to your identity.
Answer:
Each biological parent gives one of their two ABO alleles to their child. For example, a father who has blood type AB has the genotype AB, so he can give either an A or a B allele to a child of his. If the mother has blood type O, her genotype must be OO, and she can only give an O allele to a child.
Type AB blood
Type O blood
Type A blood
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Cephalopods have complex eyes that arose separately from vertebrate eyes that are also used in vision. what's this illustration of?
Options:
A. Analogous structures
B. Vestigial structures
C. Homologous structures
D. Missing links
Analogous structures is the illustration in cephalopod. Thus, the correct option is C.
A cephalopod eye, unlike a vertebrate eye, is focused through movement, similar to a camera or telescope lens, rather than altering shape like a human eye lens. The lens, which is totally internal, is nearly spherical, as is the eye.
What are the characteristics of cephalopod?Organs. They have three hearts, two of which transport blood to the gills and the other which pumps blood throughout the body. Their blood is blue because the protein hemocyanin binds oxygen.Color. Cephalopods have the ability to change the color of their skin at will. They can even use their skin to create elaborate patterns and forms. This is accomplished by the use of chromatophores, which are pigment-filled bags found in the skin. Nerves can change the color of the skin by controlling these chromatophores.Diet. Cephalopods are all carnivorous animals.Organs, tissues, or cells in the body that are no longer functional in their ancestral version of the trait are known as vestigial organs.
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3. What drives the ATP synthase reactions that produce ATP?
A the redox reaction that changes NADH to NAD*
B the formation of water at the end of the electron transport chain
C the energized electrons from the electron transport chain
D the hydrogen ion concentration gradient across the membrane
Answer:
D the hydrogen ion concentration gradient across the membrane
Explanation:
gradient created by this drives hydrogen back through the membrane, through ATP synthase
Hydrogen ions flow down a concentration gradient from the thylakoid space to the stroma through ATP synthase, releasing energy that can be used to produce ATP from ADP + Pi
ATP synthase is a mitochondrial enzyme localized in the inner membrane, where it catalyzes the synthesis of ATP from ADP and phosphate, driven by a flux of protons across a gradient generated by electron transfer from the proton chemically positive to the negative side.
At the electron transport chain, hydrogen is built up on one side of the electron transport chain and the electrons which are their way down the chain are building up on the other side. The electrons and hydrogen are attracted to each other due to their charges. These for the hydrogen flows though the gradient in the membrane to reach the elections. Once the hydrogens pass though this gradient it produces the ATP from the hydrogen
Once the hydrogens pass though this gradient it produces the ATP from the hydrogen “turning” the protein. At the end the oxygen is placed at the bottom of the electron transport chain to accept the hydrogen which makes water
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Which of the following shows the evolutionary relationships between organisms?
a
Branching tree diagram
b
Binomial nomenclature
c
Three-domain classification
d
Taxonomic key
Answer:
Branching tree diagram
Explanation:
It is also called phylogenetic tree of life it contains three branches Bacteria,Archaea,Eucarya
Which event is caused by the transmission of waves?
OA. A sound echoes through a canyon.
OB. A fish in a pond looks larger than it is.
OC. A sound is heard through a door.
D. An image of a face appears in a mirror.
Identify at least one environmental, economic, social, and political issue for population growth(human)
Answer:
Overpopulation is associated with negative environmental and economic outcomes ranging from the impacts of over-farming, deforestation, and water pollution to eutrophication and global warming.
Explanation:
These are some environmental problems, due to human population growth.
PLEASE HELP IM STUCK
What are effects of deforestation on biodiversity
Answer:
Deforestation can directly lead to biodiversity loss when animal species that live in the trees no longer have their habitat, cannot relocate, and therefore become extinct. Deforestation can lead certain tree species to permanently disappear, which affects biodiversity of plant species in an environment.
Environments are covered with manmade structures like roads, buildings, and sewers. Green spaces such as parks, backyards, and undeveloped lots are scattered in among the developed areas instead of all connected together. Plants and animals have to deal with exposure to toxins from vehicles and loss of habitat and food sources. These are all ways that _______.
Answer:
Nonhuman life in an urban ecosystem differs from that in an undeveloped forest ecosystem
Explanation:
Answer: B
Explanation:
Jenna wants to know which brand of new batteries last longest in her digital camera. She writes the following statement on her lab sheet: The most massive battery will last the longest. What part of her investigation has she written?
A
analysis
B
hypothesis
C
question
D
conclusion
Answer:
b- hypothesis
Explanation:
B, because you are writing what you think the outcome is. Which is a hypothesis.
A plant that is homozygous dominant for seed shape trait fertilizes a plant that is homozygous recessive for the same trait. Seed shape is a simple dominant/recessive pattern. Which statement will be true of their offspring?
A
All the offspring will be heterozygous for the trait.
B
50% of the offspring will be heterozygous for the trait.
C
All the offspring will all be homozygous for the trait.
D
50% of the offspring will be homozygous for the trait.
All the offspring from the cross illustrated will be heterozygous for the trait.
Monohybrid crossingAssuming the seed shape allele is represented by the allele A (a).
Homzygous dominant = AA
Homzygous recessive = aa
Crossing AA and aa:
AA x aa
Aa Aa Aa Aa
Thus, all the offspring will be heterozygous for the seed shape trait.
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Your screen cells are 3 at immediate spin and weak (W) at AHG. Your autocontrol is negative for both phases. Some of your antibody panel cells are 3 at immediate spin and negative at AHG. What should you suspect
If the auto control is negative for both phases and antibody panel cells are 3 at immediate spin and negative at AHG, then a cold antibody may be present.
What is molecular testing?Molecular testing refers to the strategies to find a given molecule in a sample (in this case antibodies).
The anti-human globulin (AHG) method is a test employed by blood banks to perform antiglobulin assessment.
In conclusion, if the auto control is negative for both phases and antibody panel cells are 3 at immediate spin and negative at AHG, then a cold antibody may be present.
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You want to use CRISPR/Cas9 to model a deletion mutation commonly found in cancer cells. Suppose you design two sgRNAs to this region of the genome. If Cas9 cuts DNA at 2 loci, what is the approximate size of the DNA fragment expected to be deleted
The approximate size of the DNA fragment expected to be deleted is equal to the distance between both loci (assuming linked loci).
What is CRISPR/Cas?The CRISPR/Cas tool is a genome editing system used to cut DNA in the lab with excellent precision.
The CRISPR/Cas system can cut several loci simultaneously according to the recognition sequence.
In conclusion, the approximate size of the DNA fragment expected to be deleted is equal to the distance between both loci (assuming linked loci).
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7. Which is an example of a gliding joint?
O elbow
O shoulder
O vertebrae
O skull
Answer:
the shoulder
Explanation:
because that is a gliding joint
Answer:
elbow
Explanation:
A gliding joint is a joint formed between the bones which meet at a flat or articular surface.
An example of a gliding joint is the elbow.
What is a scientific definition for an evolution a b c or d
Answer:
Don't know the answer but here is the definition
Explanation:
Evolution is the change in the inherited traits of a population through successive generations.
100 points + brainliest answer!!!
draw an ecological pyramid of an ecosystem that has twice as much biomass in producers as there is in primary consumers, twice as much biomass in primary consumers as there is in secondary consumers, and twice as much biomass in secondary consumers as there is in tertiary consumers
Explanation:
ecological biomass is shown on the figure above
Barbara is converting 78°F to degrees Celsius. First, she subtracts 32 from 78. What is the next step?
multiply 46 by 5/9
multiply 46 by 9/5
add 273 to 46
subtract 273 from 46
Answer:
The answer Is to multiply 46 by 5/9
Answer: A
Explanation:
In this formula, we need to put the value of F then subtract 32 from the given Fahrenheit value, which is 78.
And, we get the subtracted answer as 46. Now, we can get 46 from this step. After that, we need to multiply 46 by 5/9.
What are other producers besides plants
Answer:
bacteria,moss and algae
Komodo dragons are a species endemic to which country?.
Answer:
Indonesian
Explanation:
Indonesian is named after the island where humans spotted a dragon-like creature for the first time, the Komodo dragon is an endemic Indonesian species found on Komodo Island and its neighboring islands.
How long can the nerve cell in your leg get?
Answer:
1 meter
Explanation:
i am 99% sure that it is 1 meter
Explanation:
2. Which of the following is an inference?
A. You believe that a tree has 43 tree-rings by counting them.
B. You believe the moon has craters when you look through the telescope.
C. You believe the temperature is 75 degrees F by checking the thermometer.
D. You believe it rained when you see a mud puddle.
Answer:
D. You believe it rained when you see a mud puddle.
Explanation:
A. is incorrect because an inference is an educated guess, and counting 43 tree rings is a conclusion.
C. is also incorrect because you found the temperature with a thermometer, there was no inference made before checking it.
B. is incorrect; inferences are based on past experiences/knowledge, which looking through a telescope at craters on the moon is not doing. It does not disclose other means of reaching the conclusion.
D. is correct. Using skills of observation, you infer that the mud puddle could have been caused by rain.
You believe it rained when you see a mud puddle is an inference. Thus, option D is correct.
Inference is the process of drawing a conclusion from evidence. It is a type of reasoning that involves using existing information to make educated guesses about missing pieces of information. Inferences can be made in many different contexts, such as in everyday life, in literature, and in science.
In other words, an inference is a conclusion that is drawn from evidence. In this case, the evidence is the mud puddle, and the conclusion is that it rained.
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Anemia is an inherited disease.
True
False
Answer:
Anemia can be inherited or acquired: Inherited anemia happens when parents pass the gene for the condition on to their children. Acquired anemia is not something you are born with. You develop the condition later on.
So, it can be true.
Explanation: Hope it helps you :))))
Have a good day
Answer:
False
Explanation:
The statement ,"anemia is an inherited disease " is definitely incorrect.
Anemia might be both acquired (developed due to some external factors) and inherited (passed onto the individual from parents).
Some information :-
Anemia is a disorder in which the RBC count or haemoglobin saturation is below the normal level.
Example of inherited anemia :- sickle cell anemia (a defect due to substitution of glutamic acid by valine causing change in RBC's shape from normal biconcave disc like to elongated sickle kind of structure).
How is a postindustrial society likely to address the problem of a shortage of
fossil fuels?
A. By developing and using solar energy technologies
B. By creating more-efficient methods of food preservation
C. By cutting down forests to produce more cropland
D. By having power plants switch from burning coal to burning oil
A post-industrial society is likely to address the problem of a shortage of
fossil fuels A. By developing and using solar energy technologies. Thus, option "A" is correct.
What are fossil fuels?Fossil fuels are non-renewable. Hydrogen is not a fuel. It is a way of storing or transporting energy. Distribution and infrastructure need to be refurbished to cope with hydrogen, which can metal by making them brittle.
Thus, option "A" is correct.
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Carlos makes maps of mountains and other landforms. Which branch of
science is most closely related to Carlos's work?
A. Life science
OB. Physical science
OC. Computer science
D. Earth science
What is the difference between a food chain and a food web?
A. A food web shows multiple food chains that are interconnected.
B. A food chain shows multiple food webs that are interconnected.
C. A food chain is used when there are no decomposers present, a food web includes them and shows the recycling of nutrients.
D. A food web is only used when organisms that have multiple ways of getting energy are involved, such as Omnivores.
Answer:
A
Explanation:
A food web shows multiple food chains that are interconnected.