Evolution Review

______ are random changes in DNA that may or may not provide an advantage for survival.

• Producers

• Mutations

• Trophic levels

Giraffes have acquired long necks through the process of __________.

• augmented selection

• artificial selection

• natural selection

Dogs have acquired their cuteness through the process of __________.

• augmented selection

• artificial selection

• natural selection

All the members of a species living in a given area at a given time describes the ________.

• population

• biological community

• ecosystem

All the populations of all the different species living in a given area at a given time describes the ________.

• population

• biological community

• ecosystem

The biological community and the physical environment of a given area at a given time describes the ________.

• population

• biological community

• ecosystem

Which is NOT a type of symbiosis?

• mutualism

• commensalism

• predation

Artificial selection occurs when....

• humans intervene in natural selection and choose which traits get passed to the next generation.

• plants live on top of trees to get more sunlight.

• moths evolve to perfectly fit an orchid, enabling both to pass on pollen.