Ecosystem Basics

Which of the following is *NOT* a limiting factor in an ecosystem?

• plenty of available food and water

• predators in the ecosystem

• harsh weather conditions

• competition with other members of the species

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

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

• Biosphere

• Biome

• Community

• Ecosystem

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What is a limiting factor?

• Factors that always increase a population

• Factors that always decrease a population

• Resources that are unlimited

• Factors/resources that limit how many organisms can live in an area at the same time

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

If humans were to release a pack of wolves into the forest, what type of factor would this be?

• Abiotic

• Biotic

Zebra

• Biotic (living)

• Abiotic (non-living)

Tags

NGSS.MS-LS1-1

Spider

• Abiotic (non-living)

• Biotic (living)

Tags

NGSS.MS-LS1-1

Starfish

• Biotic (living)

• Abiotic (non-living)

Tags

NGSS.MS-LS1-1

What are groups of different populations living togther in the same place at the same time called?

• An organism

• A population

• A community

• A biosphere

A _____ is a large ecological area with similar climatic conditions, and it can have multiple ecosystems within it.

• Biome

• Biosphere

• Ecosystem

• Community

Choose the 4 limiting factors.

• Food

• Water

• Time

• Space

• Shelter

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4