Ammonoids are good as index fossils because of the following characteristics;
<span>1.
</span>Their abundance and vast distribution across most shallow
marine waters during the periods
<span>2.
</span>They have easily recognizable
features, such as shells and the highly crenulated and complex suture, that are well preserved in rocks
<span>3.
</span>Their rapid
evolution that can assist determine changes and variations in the then environment
Answer:
analogous
Explanation:
both a bats wing and a butterfly wing are there for the same reason, but they are not composed the same
They need approximately 70 grams of protein in their diet
the first one is a mollusca
Because the people that mae them wanted them to be very small
