Science test

What is a relationship where both organisms benefit?

• symbiosis

• mutualism

• parasitism

• commensalism

Which chain shows the transfer of energy in a food web

• sun>grass>beetle>cheetah>gazelle

• sun>grass>gazelle>cheetah>beetle

• sun>grass>beetle>gazelle>cheetah

• its #2

Tags

NGSS.MS-LS2-3

in general , a food chain in an ecosystem flows how

• consumers, producers, decomposers

• herbivores, carnivores, omnivores

• producers, consumers, decomposers

• decomposers, consumers, producers

Tags

NGSS.MS-LS2-3

what shows all animals food relationships in an ecosystem

• symbiosis

• food chain

• trophic level

• food web

Tags

NGSS.MS-LS2-3

what is an example of limiting factor

• deforestation where the animals homes are lost

• mining coal at the top of a mountain where they dig through

• water levels in a reservoir decrease when water evaporates

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

if a disease caused 1/4 of the deer population to decrease what happens with the rabbit for competition of grass

• the rabbit population would increase because competition is increased

• the rabbit population would increase because competition is decreased

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

if rabbits die off, what happens to snake, owl, and the cat(predators of rabbit)

• they will remain unchanged and find other food sources

• they will decrease in number

• they will increase in number

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

can an invasive organism take over and decrease native organisms populations

• true

• false

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

when does overpopulation occur?

• when there are more organisms in an area than resources

• when there are more males than females in a species

• when there are more females than males in a species

• when there is too much competition among members

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

what do producers depend on to make food?

• water

• rocks

• seals

• sunlight

Tags

NGSS.MS-LS1-6