1.) Any difference between members of the same species is: A.) Adaptation
B.) Overproduction
C.) Variation
D.) Competition

2.) Claw length on Galapagos Island iguanas is an adaptation to its.
A.) Predators
B.) Habitat
C.) Climate
D.) Attractiveness to mates

3.) Which of the choices below provide direct evidence of evolution?
A.) Fossils
B.) Plate tectonics
C.) The Cambrian Explosion
D.) DNA
E.) All the above
F.) None of the above
G.) Both A and D

4.) The earliest multicelled organisms on Earth were.
A.) Bacteria
B.) Vertebrates
C.) Invertebrates
D.) Plants

5.) Overproduction takes place when:

A.) Organisms have to fight for resources.
B.) Humans choose which organisms can reproduce.
C.) There are differences in organisms of the same species.
D.) Organisms have more offspring than can possibly survive.

6.) Scientists can determine the absolute age of rocks through:
A.) The Law of Superstition
B.) Index fossils
C.) Radioactive dating
D.) Fault lines

7.) Humans showed up on the geological time scale during the:
A.) Mesozoic Era
B.) Cambrian Period
C.) Cretaceous Period
D.) Cenozoic Period

8.) What change in Earth's atmosphere allowed life to form?
A.) Solar radiation split molecules
B.) A meteor strike
C.) The formation of the oceans
D.) The development of an ozone layer.
PLEASE HELP