Answer:
Fossil steroid and molecular clock evidence suggests that animals originated between 770 and 710 million years ago
Explanation:
the Ozone Layer is the answer
Answer is 3 it uses chemical and physical changes when using stomach acid and physical when turning food in your stomach.
<span>D.The DNA code is translated by tRNA and then carried to the ribosomes by rRNA.</span>
ANSWER:
After the volcanic eruption,lava cools down,vegetation reappears and microscopic plants grow,then the macroscopic plants and animals come at that place,then gradually the whole system builds and ecosystem recovers.
EXPLANATION:
Biodiversity means diverse population of plants and animals. After the volcanic eruption,both plants and animals donot exist because of high temperature and not suitable environment. With the passage of the time, the lava cools down and vegetation stars reappearing. First of all lichens and microscopic plants and after that macroscopic plants and animals come at that place.Thus suitable conditions reappear and gradually the whole ecosystem recovers.