How is radioactive dating important for providing evidence for evolution?
a. it allows scientists to organize the fossil record.
b. it allows scientists to compare embryos.
c. it scientists piece together strands of dna.
d. it tells scientists which structures are vestigial.

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.

Do plant cells perform cellular respiration?

Which action is a reflex action. a. asking for coffe in a cold climate b. blinking when light is flashed in the eyes c. drinking water when thirsty. d. swallowing food e. taking an exam