Adaptations VST

Question 1

Adaptation

Answer 1

A trait that helps an organism survive and reproduce in its specific environment

Question 2

Natural Selection

Answer 2

The process by which organism with helpful traits survive and reproduce at a higher rate
than organisms without the helpful trait. Helpful traits get passed on while hurtful traits
disappear

Question 3

Species

Answer 3

A group of organisms that can mate with one another and produce fertile offspring

Question 4

Evolution

Answer 4

The process by which populations gain inherited changes over time

Question 5

Fossils

Answer 5

The solidified remains of once –living organisms

Question 6

Fossil record

Answer 6

A historical sequence of life indicated by the fossils found in layers of the earth’s crust
(deepest layers are older)

Question 7

Vestigial Structure

Answer 7

The remnant of once-useful structure (example—appendix)

Question 8

Generation Time

Answer 8

The period between the birth of one generation and the birth of the next generation
(Humans = 20 yrs, Pea Plants = 3 wks, Bacteria = 30 minutes)

Question 9

Extinct

Answer 9

A species where ALL members are dead.