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saveliy_v [14]
3 years ago
11

EXPERT HELP: DON'T GUESS

Biology
1 answer:
Alex73 [517]3 years ago
5 0

Answer: D) A young tadpole has gills, a tail and no legs

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21. Describe the three steps by which a population<br> of insects becomes resistant to a pesticide.
Tresset [83]

Answer:

1. Survivors of the pesticide have a gene that protects them from it.

2. Then the survivors pass on the gene to their offspring,

3. Each time the pesticide is sprayed, the insects have a greater chance of survival.

6 0
3 years ago
You are already familiar with the fact that different organisms often exhibit common adaptations that help them succeed in a giv
zavuch27 [327]

Answer:

*Sensory adaptation* is the common adaptation in all three sense. Sensory adaptation is the process in which changes in the sensitivity of sensory receptors occur in relation to the stimulus. All senses are believed to experience sensory adaptation.

Explanation:

This adaptation is shared as well as used differently as explained below.

1) Hearing+balance :In terms of hearing, our ears adapt to loud sound as it hits the small bones located in the inner ear. The loud sound leads the inner ear bone/s to contract. This contraction causes the reduction or delay of transmission of sound vibrations to the inner ear. Detection of the vibrations follows. However, this process of auditory adaptation usually does not work very well with loud sounds that are sudden or instantaneous. Examples of these sounds are gun shots or explosions

2)Smell :Low concentrations of several chemicals present in the air can be detected by the sensory receptors in the nose. These chemicals that we quickly detect include those in perfumes or air fresheners

3 0
3 years ago
(20 POINTS + BRAINLIEST) What polysaccharide provides rigidity and strength in plants?
Scorpion4ik [409]

I believe it would be C) Cellulose. As this is one of the essential components found in the cell wall of plant cells.

6 0
3 years ago
Read 2 more answers
Electrons move about the nucleus of an atom in regions called
Musya8 [376]

Answer:

atomic orbitals or subshells it the same name

7 0
3 years ago
Which of the following error ranges would be the most reliable with a study, all else being equal?
slamgirl [31]

<u>Answer:</u>

The  error ranges would be the most reliable with a study, all else being equal is:

Option: A is correct.

A.  ±6 percentage point.

<u>Step-by-step explanation:</u>

The error range such that the error range is most reliable in the study is:

±6 percentage points.

( Since for the solution to be most reliable the error must be small so that the value is close to the actual value and hence the study is reliable)

4 0
3 years ago
Read 2 more answers
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