CIA 4-1 Learning Targets and Review Questions

• We are learning to explain that diversity of species is developed through gradual processes over many generations.

• We are looking for how a species has changed to adapt to survive in its environment as evidenced by fossil records and present day organisms.

What is an adaptation?a) A change in DNAb) An over production of

offspringc) A competition

between two members of the same species

d) A modification in a species for survival

Which of the following is true about the rate of evolution for most species?

a) Evolution can occur over a weekend

b) Evolution occurs in several months

c) Evolution occurs over one year

d) Evolution occurs over millions of years

If trees grew taller over time, what physical characteristics of giraffes would allow them to survive?

a) Thick neckb) Thin neckc) Long neck d) Short neck

Which of the following is a result of adaptations over a long period of time?

a) Diversity within a species.

b) Competition within a species.

c) Extinction of a species.

• We are learning to: explain how variations in an organism allow it to reproduce successfully and survive in a particular environment.

• We are looking for: the following variations:• How the organism is put together (structure)• How the organism acts (behavior)• What happens inside the organism that lets it

live (physiology)

In what way did the Galapagos finches vary?

a) Different colorb) Different beak

structurec) Size of birdd) Change in type of

foot

Darwin’s studies of finches on the Galapagos Islands suggest that the finches’ differences in beak structure were most directly due

to….

a) Acquired characteristics in the parent finches

b) Mating behaviors of different finch species

c) Adaptations of the finches to different environments

Which of the following is better adapted for a water environment?

a) Hawkb) Duckc) sparrowA.

B

C

• We are learning to: explain that diversity of species is developed through gradual processes over many generations.

• We are looking for: how a species has changed to adapt to survive in its environment as evidenced by fossil records and present day organisms.

• We are learning to: describe how an organism adapted to a particular environment may become extinct.

• We are looking for :evidence in the fossil record of the

environmental change that caused an organism to go extinct

How do scientists know that organisms have evolved?

a) Fossil record shows changes in organisms

b) Photographic evidence

c) Climate changesd) Old written

observations

What can scientists learn from fossils?a) Fossils show how life has

changed on Earthb) Fossils show how living

things have stayed the same for many years

c) Fossils show that most organisms that lived millions of years ago still exist today

d) Fossils show that the Earth is only 6,000 years old.

Which layer of rock has the oldest fossil?

Top la

yer

Mid

dle la

yer

Botto

m la

yer

33% 33%33%

a) Top layerb) Middle layerc) Bottom layer