Answer:
during the Cambrian Period of the Paleozoic Era.
Explanation:
The Paleozoic is the earliest era (of three) of the Phanerozoic Eon and is composed of six geologic periods: the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian (in that order from earliest to the latest). Fish first appeared about 530 million years ago during the Cambrian explosion.
Fertilization generally occurs in the fallopian tube.
<span>A battered person is one who have probably experienced a physical abuse. The most appropriate thing to do is to take the client from an environment where there is a threat of danger and also any object that will cause any further harm to the client. This would include knifes, objects, guns and even people who are abusive to the client.</span>
Answer:
the animals
Explanation:
the difference between animal life in the Mesozoic Era and the early Cenozoic Era is that in the Mesozoic Era the reptiles were dominate and in the Cenozoic Era the mammals were dominate.