Ecology Unit Review 24-25

Sort the factors into the categories

Groups:

(a) Abiotic Factors

,

(b) Biotic Factors

• animals
• microorganisms
• temperature
• air
• bacteria
• fish

• pH
• soil
• birds
• fungi
• sunlight
• minerals
• water
• insects
• plants

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS1-5

What is the main source of energy for producers in most ecosystems?

• Soil

• Wind

• Sunlight

• Carbon dioxide

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

A ​ (a)   is an organism that eats other organisms for energy.

A ​ (b)   is an organism that makes energy from the sunlight.

• heterotroph
• autotroph

What is the correct order of ecological organization from smallest to largest?

• Organism → Population → Community → Ecosystem → Biome → Biosphere

• Population → Organism → Community → Biome → Ecosystem → Biosphere

• Organism → Community → Population → Ecosystem → Biosphere → Biome

• Organism → Ecosystem → Population → Community → Biome → Biosphere

Place the resources into the category they best describe.

Groups:

(a) Renewable

,

(b) Nonrenewable

• biomass

• natural gas
• solar

• hydropower
• oil
• wind
• coal
• nuclear
• geothermal

Match the example with the type of symbiotic relationship it describes.

• parasitism

• Deer and rabbit both eat grass

• competition

• A wolf eating a rabbit

• mutualism

• A tick feeding on a dog

• predation

• Barnacles on a whale

• commensal

• Bees pollinating flowers

Tags

NGSS.MS-LS2-2

In a food web, what is the impact on primary consumers if the population of producers is significantly reduced?

• They will thrive

• They will struggle to find food

• No impact

• They will become producers

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Place the limiting factors into the correct category.

Groups:

(a) density dependent

,

(b) density independent

• human activities
• climate change
• disease
• weather

• habitat space
• predation
• sunlight
• parasitism
• food availability
• natural disasters
• competition
• pollution
• temperature

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What happens to energy as it moves up the trophic levels?

• Increases by 10%

• Stays the same

• Decreases by 10%

• Disappears

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

A ​ (a)   is best described as the role an organism plays in its environment.

A ​ (b)   is best described as the place an organism lives.

• niche
• habitat