7th Grade Units 8/9 Multiple Choice Flashcard

Front

'Survival of the fittest' is a way to describe _________________ selection, where organisms best suited to their environment survive and reproduce.

Back

natural

Front

Which of the following is an example of artificial selection? Breeding cows for high milk production, Moths evolving darker wings in a polluted forest, Birds with stronger wings surviving storms, Bacteria becoming resistant to antibiotics

Back

Breeding cows for high milk production

Front

Farmers breed cows for higher milk production: _____________________________.

Back

artificial selection

Front

Peppered moths in a polluted forest become mostly dark: ________________________.

Back

natural selection

Front

Dog breeders select parents for desired traits: ____________________________.

Back

artificial selection

Front

Bacteria in a patient evolve to resist antibiotics: ____________________________.

Back

natural selection

Front

Darwin observed finches on the Galápagos Islands with different beak shapes adapted to different foods. This provided evidence of:

Back

Natural selection

Front

In a population of insects, most are green but a few are bright red. Birds easily spot and eat the red ones. Over many generations, what will likely happen to the numbers of green and red insects?

Back

More green insects, fewer red

Front

Sexual reproduction requires ____________ parents and produces genetically ________________ offspring. Asexual reproduction requires ____________ parent and produces genetically ________________ offspring.

Back

two parents and produces genetically different offspring. one parent and produces genetically identical offspring.

Front

Which of these is an example of asexual reproduction?
Options:
Butterfly laying eggs
Bacterium splitting into two cells
Human parents producing a baby
Bee pollinating a flower

Back

Bacterium splitting into two cells