Populations & Communities

All of the following could limit the growth of a population except which factor?

• harsh winter

• increased predator population

• lack of rain

• plentiful food sources

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

All of the following are visual communication examples EXCEPT...

• sage grouse mating dance

• shaking of a rattlesnake tail

• howl of a wolf

• lightning bug glowing

The purpose of visual communication is to...

• ward off predators

• attract a mate

• locate food

• all of the answers above

All of the following are auditory communication examples except...

• the song of a humpback whale

• the bugle of a bull elk

• the change in color of a chameleon

• the bark of a coyote

The purpose of auditory communication is to...

• ward off predators

• attract a mate

• locate food

• all of the answers above

A graph displaying the population of an organism and its predator's population over time looks like which of the following?

• 
• 
• 
• 

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which relationship is parasitic?

• flower in the grass

• tick on a dog

• mites on the eyelashes

• remora on a shark

Which relationship shows commensalism?

• vampire bat and a cow

• bee and a flower

• mosquito and a horse

• sea anemone and clown fish

Which relationship is mutualistic?

• bird and a tree

• bee and a flower

• lice on a fish

• polar bear and seal

Population density refers to

• the number of organisms living in a certain amount of space

• the number of organisms that immigrate into a community

• the number of organisms that emigrate out of a community

• the number of organism in a community