Evolution (Texas Biology text)

Question 1

Organisms that share common ancestor & have features of common structure but different function

Accepted Answer

homologous structures

Question 2

Which of the following is an example of a vestigial structure?

Accepted Answer

the wings of an ostrich

Question 3

The theory that landforms on Earth were created as the result of sudden events is the theory of

Accepted Answer

catastrophism

Question 4

The tortoise of Abingdon Island would be better adapted than the Albermarle Isle tortoise where

Accepted Answer

areas with lots of taller plants

Question 5

Paleontology is the study of -

Accepted Answer

fossils

Question 6

What observations did Charles Darwin make about finches in the Galapagos Islands?

Accepted Answer

Different species of finches lived on different islands.

Question 7

Over time, adaptations can lead populations to experience -

Accepted Answer

genetic changes

Question 8

Which is a term for a group of similar organisms that can produce fertile offspring?

Accepted Answer

species

Question 9

The development by scientists of a new color in a rose is the result of -

Accepted Answer

artificial selection

Question 10

Two organisms that are closely related would have -

Accepted Answer

very similar DNA sequences

Question 11

The difference in the physical traits of an individual from those of other individuals is a -

Accepted Answer

variation

Question 12

All the individuals of a species that live in a particular area are called a -

Accepted Answer

population

Question 13

Evolution is considered to be one of the most important theories in science, because it -

Accepted Answer

unites the fields of biology, geology, chemistry, & ecology.

Question 14

A bird that easily out competes other birds for food and that can produce many eggs has a high

Accepted Answer

fitness

Question 15

Which of the following is a fossil?

Accepted Answer

a trace of an organism that existed in the past

Question 16

All the rabbits living in a particular area would be an example of a(n)-

Accepted Answer

population

Question 17

What did Charles Darwin observe in finch populations on the Galapagos Islands?

Accepted Answer

different species on different islands

Question 18

What is suggested by the similarity of early embryos of different species of vertebrates?

Accepted Answer

evolution from a distant common ancestor

Question 19

What is the term for a feature that allows an organism to survive better in its environment?

Accepted Answer

adaptation

Question 20

Which of the following describes natural selection?

Accepted Answer

It acts on existing physical traits.

Questions 20