Matter in Ecosystem

Organisms that eat waste and dead organisms are called ___________________________.

• herbivores/producers

• carnivores/heterotrophs

• detritivores/decomposers

Tags

NGSS.MS-LS2-3

An organism that gets energy from breaking down dead organisms, or waste is a(an) ___________.

• producer

• decomposer

• consumer

In this food web, the decomposers are the_____

• grasses and trees

• grasshoppers and bacteria

• mushrooms and bacteria

• grassed, mushrooms, bacterial and flower seeds

Tags

NGSS.MS-LS2-3

Materials released when burning coal, natural gas, or oil become part of the ____________________________.

• carbon cycle

• products of photosynthesis

• food web technology

Tags

NGSS.MS-ESS3-4

How does carbon in a grass plant get into a lion?

• The lion eats the grass and gets the carbon that way.

• The carbon ends up in the organism the lion eats, and gets to the lion that way.

Tags

NGSS.MS-LS2-3

If we are looking at the gasses that are exchanged during photosynthesis and cellular respiration, what would X and Y represent?

• x-carbon dioxide, y-oxygen

• x-carbon dioxide, y-helium

• x-nitrogen, y-carbon dioxide

Tags

NGSS.MS-LS1-6

Organisms that get their energy and nutrition from other organisms (they cannot make their own food) are called _______________.

• Consumers

• Meatovour

Tags

NGSS.MS-LS2-1

In an ecosystem where a species of birds (pine siskins) eats seeds from pine trees, and hawks eat the pine siskins. What would happen if a disease killed all of the hawks?

• The population of pine trees would increase

• The population of pine siskins would increase

• the population of pine siskins would decrease

• There would be no effect

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

A type of algae uses photosynthesis to produce sugar. The algae is eaten by several types of animals. Which term best describes the algae?

• prey

• predator

• consumer

• producer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In an ecosystem, which of the following is an example of matter cycling through the system?

• Water evaporating from a lake and falling as rain

• Sunlight providing energy for photosynthesis

• Wind blowing through the trees

• Temperature changes affecting animal behavior

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-3