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Alex
3 years ago
5

When a portion of the sample does not respond to the survey?

Biology
1 answer:
guajiro [1.7K]3 years ago
3 0
The controlled of guessed 
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A refrigerator requires a. combustion. b. a refrigerant. c. warm air. d. radiation.
stich3 [128]
B) a refrigerant. ((:


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3 years ago
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We know a lot more about animals and plants than Darwin did, and still, not a single case is known to me of a complex organ that
grigory [225]

The given statement is True.

<u>Explanation:</u>

The Charles Darwin developed the theory called Darwinism theory of evolution. The theory states that all the species of the organisms arises and developed through the small, inherited variations in the organisms that increase the individual ability to complete the survive and reproduce.

The individual species are not having identical traits that  are passed from the generation to generation. The offspring are born that can survive, only the survive of the completion for resources will reproduce; he describes how the species can change in shape and character through the selective breeding.

4 0
4 years ago
In seals, the gene for the length of the whiskers has two alleles. The dominant allele (A) codes long whiskers and the recessive
stepan [7]

I would say,

Aa.

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4 0
3 years ago
The potato placed in vinegar produced _________.
anastassius [24]

Answer:

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Explanation:

As catalase decomposes hydrogen peroxide into water and oxygen gas, bubbles of oxygen collect on the disk. When the density of the combined paper/enzyme/O2 is less than the solution the disc will rise to the surface.

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Gre4nikov [31]
I believe heterotrophs are organisms that get their energy by eating other organisms. These organisms are also called predators
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