Abiotic and Biotic Factors

How does a decrease an abiotic resource (like water) impact the population of an ecosystem?

• The population size will increase.

• The population size will decrease.

• The population size will not change.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What determines the carrying capacity in an ecosystem?

• The number of different species in the ecosystem.

• Limiting Factors

• Only biotic factors

• Only abiotic factors.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following is an example of two organisms competing for an abiotic factor?

• Two different species of insects competing for leaves from trees.

• Two different species of mammals competing for small rodents to eat.

• Two different species of birds competing for berries to eat.

• Two different species of mammals competing for the same water source.

What is the abiotic factor in the following situation: Prairie dogs live in complex tunnels underground and compete with other herbivores in the ecosystem.

• Prairie Dogs

• Underground habitat (tunnels)

• Other herbivores (plant eaters)

• Grasses

Tags

NGSS.MS-LS2-3

Which of the following is NOT an examples of an abiotic factor?

• Sunlight

• Wind

• Fungi

• Water

Tags

NGSS.MS-LS2-3

Which abiotic factor(s) do plants compete for in order to make their own food?

• Water

• Sunlight

• Wind

• Water and sunlight

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

A small group of deer live in a forest. This is an example of a(n)

• Organism

• Population

• Community

• Ecosystem

Tags

NGSS.MS-LS2-1

Which of the following is NOT considered a biotic limiting factor?

• Mates

• Food

• Disease

• Drought

Tags

NGSS.MS-LS2-1

The different populations of fish, crawfish, insects, plants and bacteria in a pond is an example of which term...

• Organism

• Population

• Community

• Ecosystem

Tags

NGSS.MS-LS2-1

An individual living thing is a(n) ______ (this will be matching on the test)

• Organism

• Population

• Community

• Ecosystem