Answer:
D
Explanation:
becoz it is an animal cell
Answer:
In trophic level energy trasnfer occurs from producer to primary consumer, from primary consumer to secondary consumer. This transfer of energy continue towards tetiary consumer and at the end to decomposers.
<span>Others are external fertilization:
</span>a. all of the sperm will fertilize eggs.
b. sperm and egg will be released simultaneously.
c. the number of sperm and eggs produced will be equal.
<span>e. sperm will be protected until they can unite with the eggs.</span>
The Cambrian explosion. Trilobites were found because of their hard shell, unlike soft bodied creatures.