Ecosystems and Natural Selection

Which of the following are abiotic factors?

• water

• dead branch that fell off a tree

• sunlight

• temperature

Answer explanation

Abiotic (remember the prefix a = not) factors are things in the environment that are not living, were never living, and did not come from living things

Tags

NGSS.MS-ESS2-4

Which of the following are biotic factors?

• leaves that fell off a tree

• turtle

• water

• flower

Answer explanation

Biotic (prefix bio = living)factors are things in the environment that are living, were once living, or came from living things (even things like a dead leaf or poop!)

The place where an organism lives is called its:

• home

• niche

• nest

• habitat

An organisms role in its habitat is called its:

• job

• niche

• habitat

• purpose

A community is made up of:

• all of the organisms in a single species in a given area

• all of the organisms in a given area

• all of the living and nonliving things in a given area

An ecosystem consists of:

• a single organism

• all of the biotic factors in a given area

• all of the biotic factors and their interactions with the abiotic factors in a given area

Tags

NGSS.MS-LS2-3

The _______ includes all living organisms on Earth along with the spheres they interact with (lithosphere, hydrosphere, and atmosphere).

• Biosphere

• Biome

• Community

• Ecosystem

Tags

NGSS.HS-LS2-5

_______: a collection of all the organisms living in a particular place together with their abiotic components, such as water and air.

• Biosphere

• Biome

• Ecosystem

• Community

A _____ is the populations of two or more species within the same geographical area and time period.

• Biome

• Ecosystem

• Community

• Population

A _____ is a group of individuals within the same species, within the same area, and that are capable of reproducing with one another.

• Population

• Community

• Ecosystem

• Biome