Ecosystem Assessment

A(n) __________ includes all living and non-living things in an environment. 

• population
• niche
• abitotic
• ecosystem

What energy role describes an organism that makes its own food, usually by using energy from the sun?

• consumer
• producer
• carnivore
• decomposer

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which describes the relationship between plants and animals in the carbon cycle?

• Plants produce and release oxygen that animals need

• Plants produce and release carbon dioxide that animals need

• Animals produce and release oxygen that plants need

• Animals produce oxygen that plants turn into carbon dioxide

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?

• The bird population would stay the same
• The bird population would increase fast
• The bird population would decrease

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

When a population grows past the ecosystem's carrying capacity, what happens to the population?

• Continues to grow
• The population starts to die off to return to carrying capcity
• The population will go extinct due to lack of resources
• The population grows then finds a new carrying capacity

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

These two species are most likely?

• ready to mate with each other

• competing for the same resources

• are an example of mutualism

• are best buddies

How do carnivores obtain energy?

• They eat plants.
• They eat animals.
• They eat animals and plants.
• They eat the food they make.

What role do decomposers play in ecosystems?

• They break down nitrogen and oxygen.
• They break down waste and dead matter.
• They provide nutrients for carnivores to make energy.
• They provide nutrients for omnivores to make energy.

Look at the energy pyramid. Where is the greatest amount of energy?

• A
• B
• C
• D

Consumer that eats plants

• heterotroph
• herbivore
• producer
• community

Tags

NGSS.MS-LS2-4