How do identical twins form?
a. a fertilized egg splits in two.
b. two eggs are fertilized by one sperm.
c. two eggs are fertilized by two sperm.
d. two sperm fertilize an egg

Prompt compare the three types of volcanic mountains in terms of shape, type of eruption, and the minerals that make up the volcano

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.