(please answer!!) Compare the human skin to and oak tree. the human skin is related to which part of the tree? is it: A: bark
B: acorn
C:leaf
D:root

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.

Darwin’s hypothesis about how life changes over time is now called?