Ch 18 Ecosystems

A deer dies in the wild is is considered biotic or abiotic?

• biotic

• abiotic

Is the Sun biotic or abiotic

• biotic

• abiotic

Tags

NGSS.MS-ESS1-1

an organism that performs photosynthesis is called a

• consumer

• producer

• decomposer

• heterotroph

Tags

NGSS.MS-LS1-6

Select all Abiotic factors that contribute to an ecosystem. (Select ALL that apply)

• Soil

• Wind

• Trees

• Sunlight

• Air

Tags

NGSS.MS-LS2-3

A type of relationship between organisms where both organisms benefit.

• Mutualism

• Parasitism

• Commensalism

• Jainism

Which trophic level has the most energy?

• Producers

• Primary consumers (herbivores)

• Secondary consumers (carnivores)

• Tertiary consumers (top carnivores)

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Why are decomposers an essential part of any ecosystem?

• They recycle nutrients back into the food web

• They are the most efficient producers

• Without them primary consumers population would drastically increase

• All of the above

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Non-living things in an ecosystem

• abiotic
• biotic
• limiting factors
• carrying capacity

Tags

NGSS.MS-LS2-3

The place where an organism lives is its __________.

• habitat
• ecosystem
• organism
• population

A group of organisms of the same species living in the same area are called a/an __________.

• community
• habitat
• population
• ecosystem