True or false

The source of almost all energy on Earth is the climate.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-4

Which of the following is an abiotic factor?

• amoeba

• lichen

• shell

• mold

Tags

NGSS.MS-LS2-3

Carrying capacity refers to the largest _________ an environment can support.

• ecosystem

• community

• population

• habitat

What does this graph suggest will happen to human population in the future?

• Growth will slow down

• growth will stop and the population remain steady

• the population will decrease slowly

• the population will decrease rapidly

Tags

NGSS.MS-ESS3-4

Which of the following might an omnivore eat?

• a leaf

• a mouse

• a dead cow

• a and b

Spiders have a very high birthrate. Why is there generally not an overpopulation of spiders?

Tags

NGSS.MS-LS1-5

Match the relationship to the example

sea anemones help crabs fight off predators, and eat leftovers from the crabs meals

• mutualism

• commensalism

• parasitism

• niche

Match the relationship to the example

heartworm in a dog

• mutualism

• commensalism

• parasitism

• niche

label each step in the nitrogen cycle as depending on biotic or abiotic factors

Animals eat plants

• abiotic

• biotic

• ecosystem

• community

Tags

NGSS.MS-LS2-3

label each step in the nitrogen cycle as depending on biotic or abiotic factors

Lightning changes nitrogen gas in the atmosphere to nitrogen compounds

• abiotic

• biotic

• ecosystem

• community

Tags

NGSS.MS-LS2-3