Ecology

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

• Autotroph
• Producer
• Consumer
• Mutualist

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Consumer that eats plants

• heterotroph
• herbivore
• producer
• community

Tags

NGSS.MS-LS2-3

The rabbit in this food web would be considered a:

• Decomposer
• Producer
• Secondary Consumer
• Primary Consumer

Tags

NGSS.MS-LS2-2

What is the term for each step in the transfer of energy and matter within a biological community?

• energy path
• food web
• trophic level
• food pyramid

The amount of energy that usually transfers from one trophic level to the next...

• 10%
• 20%
• 80%
• 50%

Tags

NGSS.MS-LS2-3

The nonliving aspects of an ecosystem.

• Abiotic factors
• Biotic factors

Tags

NGSS.MS-LS2-3

As you move upward, from level to level, in an energy pyramid, energy _____.

• increases
• decreases
• stays the same
• increases exponentially

Tags

NGSS.MS-LS2-3

An ant lives on an acacia tree- the ant protects the tree and the tree feeds the ant. What kind of relationship is this?

• Mutualism

• Commensalism

• Parasitism

• Predation

Which of the following are the ecosystem’s main decomposers?

• Scavengers

• Fungi and Bacteria

• Birds

• Lions and Bears

Tags

NGSS.MS-LS2-3

The Insect population would most likely DECREASE if there were…

• An increase in decomposers

• An increase in the amount of grass

• A decrease in Mice and Shrews

• A decrease in the amount of available sunlight

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4