8.11a

If additional snakes are introduced into this ecosystem, there will most likely be an immediate decrease in the _________.  

• hawk population

• rabbit population

• wildflower population

• grass population

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which of the following is NOT a biotic factor?

• Coyote

• air

• elephant

If a prey population rises, how will the predator population be affected?

• The predator population will remain stabe.

• The predator population will rise with it.

• The predator population will fall.

• The predator population will fluctuate randomly.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Volcanic Eruption

• Short Term

• Long Term

Tags

NGSS.MS-ESS3-2

Which abiotic factor is phytoplankton most likely to compete for in a marine environment?

• Sunlight

• Fish

• Rocks

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

Red-billed oxpeckers feed on parasites found on an Impala. The impala gets rid of parasites and the red-billed oxpeckers get yummy dinner. This is an example of _______.

• commensalism

• mutualism

• neutralism

• competition

Mistletoe extracts water and nutrients from the spruce tree to the tree's detriment (harm).

• Mutualsim

• Parasitism

• Commensalism

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A wrasse fish feeds on the parasites found on the black sea bass's body. Both species benefit.

• Mutualism

• Parasitism

• Commensalism

Tags

NGSS.MS-LS2-2

Lions and cheetahs prey on wildebeests that graze in grasslands. What effect would increase in rainfall have on wildebeests, cheetahs, and lions?

• The wildebeest would decrease and the lions and cheetahs would increase.

• The wildebeest would increase and the lion and cheetah would decrease.

• All 3 populations would increase.

• All 3 populations would decrease.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which of the following is a physical change?

• Burning wood

• Rusting iron

• Melting ice

• Baking a cake