Question 1

which one of the following supports the hypothesis that life has changed over time?

prokaryotes have no nucleus.

the cell has no membrane.

some fossil plants have deep roots.

fossils are distinct from rock layer to rock layer.

What is a universal way that predation benefits the predator? predation increases mate availability. predation in defense of space. the predator gets the energy it needs to survive. the predator keeps parasites from hurting the species.

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. this is an example of speciation.

Depending on the organism the number of in a cell may change