Option D – amphibians may use their skin for gas exchange is the characteristic feature of amphibians that differs from reptiles.
Explanation:
The amphibian skin is moist, thin and marbled and supplied by blood vessels running on its surface. The moisture present in the skin dissolves the oxygen present in its surrounding which is absorbed by the blood vessels. Special glands help the amphibians to keep the skin moist.
The very thick and tough scales present on the reptiles prevent them to absorb oxygen through their skin. Hence, they breathe and respire through their lungs.
Amphibians have three-chambered heart. They do not develop amniotic eggs. Adult amphibians although spend much time on land, they breed only in water due to the absence of amniotic sac
.
Answer:
The preferable option will be - C.
agreeableness, agreeable.
Explanation:
- A person who has an alternative character of <u>agreeableness</u> will typically follow a script, or a cascade of perceptual and behavioral strategy, that involves being warm, friendly, approachable, and slow to anger.
- If a person is <u>agreeable</u>, then he or she will probably not get angry in response to a mild insult.
So, we can say that an agreeable person is more calmer than an agreeableness person.
I am pretty sure that the thing which most likely happen to plants if they did not have a waxy outer coating is being revealed by the last option D. They would be harmed by insects and UV radiation. Every plant has to be protected by membrane so that it would be able to deal with drought small invaders and other external forces.
Answer is C hope it helps
All you have to do is resherd it
