Ch. 13-17

Question 1

Which is NOT a benefit of the understanding of evolution to understanding the field of biology

Answer 1

Understanding evolution helps us to understand why stars and galaxies change over time

Question 2

The common house mouse species, Mus musculus, has the following taxonomic classification: Mus, Muridae, Rodentia, Mammalia, Chordata, Animalia, Eukarya. Which part of the name is the Family

Answer 2

Muridae

Question 3

Natural selection can be defined as

Answer 3

A process in which organisms with certain inherited traits are more likely to survive and reproduce then individuals with other traits

Question 4

During his trip on the Beagle, Darwin found that

Answer 4

Plants and animals living on a continent seemed more closely related to each other then plants and animals living in similar regions on other continents

Question 5

Which is a component of the fossil record

Answer 5

Bones of dinosaurs

Question 6

Homology is the evidence of

Answer 6

Common ancestry

Question 7

Which is NOT a requirement of natural selection

Answer 7

Gene flow

Question 8

Which statement is true

Answer 8

Natural selection works on variation already present in a population

Question 9

Humans are considered what type of primate

Answer 9

Apes

Question 10

A change is the gene pool due to chance results in

Answer 10

Genetic drift

Question 11

The action of humans are having negative impacts on the environment at a global scale. Of the options listed, which impact is an EXCEPTION to this trend

Answer 11

Decrease in human cardiovascular disease

Question 12

Biological species consist of groups of

Answer 12

Population

Question 13

Under the biological species concept, what criterion is used to assign population of organisms to the same biological species

Answer 13

Ability to interbreed and produce fertile oppspring

Question 14

The biological species concept cannot be applied to

Answer 14

Fossils

Question 15

A reproductive barrier that prevents individuals from closely related species from interbreeding is an example of

Answer 15

A prezygotic barrier

Question 16

Which type of reproductive isolating mechanism is described by a situation in which female fireflies’ mate only with males who emit light in a particular pattern

Answer 16

Behavioral isolation

Question 17

The type of reproductive barrier that occurs when reproductive structures of different species are physically incompatible is referred to as

Answer 17

Mechanical isolation

Question 18

When two frogs species, Rana pipiens and Rana sylvatica, mate, the offspring die early in embryonic development. This is an example of

Answer 18

Reduced hybrid viability

Question 19

Which scenario describes allopatric speciation

Answer 19

A population of squirrels is separated by the Grand Canyon. The two subpopulation evolve into two distinct species

Question 20

Sympatric speciation specifically EXCLUDES

Answer 20

Geographic isolation

Question 21

What is the most diverse group of arthropods

Answer 21

Arachnids

Question 22

All __ exhibit the arthropod characteristic of multiple pars of specialized appendages

Answer 22

Crustaceans

Question 23

These arthropods are carnivorous, have one pair of legs per body segment, and a pair of poison claws used for defense and to paralyze prey

Answer 23

Centipedes

Question 24

Which of the following would be considered an arthropod

Answer 24

Hermit crabs

Question 25

Which animals have a cylindrical body that is tapered at both ends

Answer 25

Roundworms

Question 26

Which of the following is not a bivalve

Answer 26

Squids

Question 27

What name is given to the food-trapping cells of sponges

Answer 27

Choanocytes

Question 28

__ was the first species to extend humanity’s range from Africa to other countries

Answer 28

Homo erectus

Question 29

A characteristic of arthropods that has allowed for their great success is the presence of

Answer 29

Specialized segments

Question 30

Radial symmetry is seen in a

Answer 30

Snowflake