Assignent 2

Front 1

Feather either play a role or may paled a role In?

Back 1

Extended hops
Flight
Courtship
Gliding

Front 2

____ is rapid speciation under conditions in which there is little competition

Back 2

Adaptive radiation

Front 3

Mass extinctions create conditions that promote_____

Back 3

Adaptive radiation

Front 4

The appearance of an evolutionary novelty promotes______

Back 4

Adaptive radiation

Front 5

The difference finch of species found on the Galápagos Islands probably arose as a result of?

Back 5

Adaptive radiation

Front 6

A biologist spends her summer break collecting frogs from a remote jungle in Peru. She discovers two distinct color forms that could be variants of a single species or two different species. What would be the most direct test of their species status under the biological species consept

Back 6

Observe mating in the natural environment of the two groups. If the forms do not mate with each other they are different species

Front 7

In___isolation it is physically impossible for two species to mate with each other often because their genitalia do not fit together properly

Back 7

Mechanical

Front 8

Eastern and western spotted skins breed at different time of the year. Therefore they are prevented form interbreeding by____ isolation

Back 8

Temporal

Front 9

Darwin thought that significant evolution was much too slow to be witnessed in a humans lifetime. Recent experiments by biologists have ____

Back 9

Shown that some populations can evolve quite rapidly with important changes occurring over several generations in the laboratory

Front 10

Which of the following statements about reinforcements is true?

Back 10

Reinforcement is a type of a natural selection

Front 11

A subset of a population of birds leaves it habitat and colonized a nearby island. After many generations the island sinks and the population of birds living on the island returns to its original habitat. Which of the following statements mast accurately describes the two birds populations?

Back 11

The birds were separately dispersal

Front 12

Which of these events occurred earliest in the history of the earth?

Back 12

Formation of oxygen

Front 13

Which of these events occurred most recently in the history of earth?

Back 13

First humans

Front 14

Which of these events occurred during the Paleozoic?

Back 14

Colonization of land by plants

Front 15

Which best summarizes the idea of adaptive evolution?

Back 15

Adaptive evolution occurs as populations interact with changing local environment. Even a long term trend can reverse itself if the environment changes dramatically

Front 16

The Permian extinction which occurred more than 250 million years ago resulted in the extinction of ____

Back 16

About 96% of all marine animals

Front 17

Species a, b and c are in the same phylum. Species a and species b are in the same order. Species c is in a different order. From this information you can conclude with certainty that ____

Back 17

Species a and b are in the same class

Front 18

Yay!!

Back 18

Done