Understanding Ecology

What do biotic factors refer to?

• Nonliving parts of an environment

• Living organisms that inhabit an environment

• Chemical elements

• Weather conditions.

Tags

NGSS.MS-LS2-2

Which of the following is an example of a biotic factor?

• Air

• Water

• Frog

• Temperature

Tags

NGSS.MS-LS1-4

What defines a Population?

• Interacting populations

• All biotic & abiotic factors in a certain area

• Group of organisms of one species in one place at one time

• The portion of the earth where life is found.

What is a niche in an ecosystem?

• The place where an organism lives

• The unique role a species plays in the environment

• A type of food

• A predator's hunting ground.

What is the role of decomposers in the ecosystem?

• Obtain energy from the sun

• Eat animals that have died

• Break down dead and decaying matter into simpler molecules

• Eat both plants and meat.

Tags

NGSS.MS-LS2-3