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Yakvenalex [24]
2 years ago
13

HELPPPPPP

Biology
1 answer:
Lynna [10]2 years ago
8 0
I don’t understand sir
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Define the three different types of densities:
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1) Arithmetic density- the number of people per square unit of land 
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3) Agricultural density- is the number farmers per unit of farmland.

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A scientist notices that the level of toxic chemicals in an algae plant is 400 ppm.
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Answer:

C

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Describe the difference between codominance and incomplete dominance. Give 1 example of each.
Colt1911 [192]
Incomplete dominance is when one allele is not completely dominant over the other (blend in), and codominance is when both alleles affect the phenotype(appearance)

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A random sample is one way to reduce bias when choosing people for an experiment
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Your answer is

One of the most effective methods that can be used by researchers to avoid sampling bias is simple random sampling, in which samples are chosen strictly by chance. This provides equal odds for every member of the population to be chosen as a participant in the study at hand.

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3 years ago
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Which diagram correctly describes the changes that occur as a small piece of rock falls from space and hits the Earth?
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The answer correct would be c

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