L.2.2 EOG Review #14

How are bacteria classified in a forest ecosystem?

• as consumers

• as decomposers

• as herbivores

• as producers

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

Which organism is a producer?

• frog

• mushroom

• grass

• lizard

Tags

NGSS.MS-LS2-3

Which will most likely cause a decrease in predator populations?

• an increase in prey populations

• a decrease in prey populations

• a decrease in decomposers

• an increase in producers

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which best explains why producers are at the beginning of all food chains?

• They turn dead animals into nutrients.

• They provide shelter for smaller animals.

• They transfer energy from the sun into food.

Tags

NGSS.MS-LS1-6

In the food web, which organisms are producers?

• frog and rat

• rat and leaves

• leaves and berries

Tags

NGSS.MS-LS2-3

Which best describes animals that eat only plants?

• decomposers

• carnivores

• herbivores

What is needed for plants to produce sugar?

• water, sunlight, carbon dioxide

• water, sunlight, nitrogen

• water, sunlight, oxygen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

Which is least likely to be classified as a consumer?

• carnivore

• decomposer

• herbivore

• omnivore