Relationships in an Ecosystem

Which one is NOT an example of a decomposer?

• mushroom
• leaves
• mold
• worm

Tags

NGSS.MS-LS2-3

What four things do every organism need for survival?

• food, water, dirt, and a hat
• shelter, water, food, and air
• air, sun, dirt, and water
• light, electricity, and worms

Tags

NGSS.MS-LS2-1

Examples of just producer

• frog, fly, lillypad
• algae, grass, tree
• worm, dirt, fish
• mouse, seeds, bird

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph
• Producer
• Consumer
• Mutualist

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-7

What does a food chain represent?

• How all living organisms within a habitat are connected.
• All of the things that a particular animal eats.
• How plants create their own food.
• A single path of energy transfer within a habitat.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

NGSS.MS-LS2-2

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.
• It shows how sunlight flows within an ecosystem.
• They show what direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.

Tags

NGSS.MS-LS2-3

An energy pyramid represents what?

• How much sunlight is available for the ecosystem to use. 
• How much energy a particular organism needs. 
• How much energy is needed to build a pyramid. 
• The amount of energy available to the next 'feeder' in a food web.

Tags

NGSS.MS-LS2-3

How much energy is available to be passed on to the next trophic level in an ecosystem?

• 100%
• 10%
• 50%
• 75%

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Overlapping food chains in an ecosystem make up....

• food web
• food chain
• niche
• symbiosis

Tags

NGSS.MS-LS2-3

An animal that eats other animals is a....

• carnivore
• omnivore
• herbivore
• decomposer