NWR Food Chain/Web

Which best identifies what is needed for a complete food chain in an ecosystem?

• consumers and producers

• decomposers and producers

• consumers, producers, scavengers

• producers, consumers, decomposers

Tags

NGSS.MS-LS2-3

In a grassland ecosystem, lions prey on wildebeest. The population of lions has declined steadily because of illegal hunting. What will most likely happen to the population of wildebeest?

• The wildebeest population will increase.

• The wildebeest population will decrease.

• The wildebeest population will remain the same.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which is a group of producers that could be found in a forest?

• cacti, shrubs, and yucca

• deer, squirrels, and mice

• trees, grasses, and vines

• lizards, scorpions, and rodents

Tags

NGSS.MS-LS2-3

Which would most likely cause a decrease in the predator population in an ecosystem?

• an increase in the types of plants in the ecosystem

• a decrease in the prey population in the ecosystem

• an increase in the height of trees in the ecosystem

• a decrease in the types of decomposers in the ecosystem

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which group of organisms eats other living things in order to survive?

• producers

• consumers

• scavengers

• decomposers

Tags

NGSS.MS-LS2-2

Decomposers are important to the flow of energy in an ecosystem because they...

• are at the top of every food chain.

• eat things other organisms do not eat.

• make up a large portion of the top layer of the soil.

• break organic material into parts that can be reused.

Tags

NGSS.MS-LS2-3

Look at the food chain below. Which way does energy flow in the food chain?

• from grass to sun

• from owl to mouse

• from mouse to grass

• from grass to mouse

Tags

NGSS.MS-LS2-3

Which term defines animals that obtain food by hunting other animals?

• predators

• prey

• producers

• pineapples

Which best describes a producer?

• a plant that makes its own food

• an organism that gets its energy from plants

• the sun because it provides energy for plants

• an organism that gets its energy from animals

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

In which category are all living things most directly dependent upon the sun for energy?

• carnivors

• producers

• herbivores

• decomposers

Tags

NGSS.MS-LS1-6