Energy Transformations

The diagram shown represents four possible pathways for the transfer of energy stored by green plants. In this diagram, humans are shown to be

• herbivores, only

• carnivores, only

• omnivores

• parasites

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The diagram shown represents a food pyramid of organisms inhabiting a pond. At which level of the food pyramid is the smallest percentage of total stored energy found?`

• algae

• copepods

• minnows

• bass

Tags

NGSS.MS-LS2-3

Which organisms in the food pyramid function as primary consumers?

• bass

• minnows

• copepods

• algae

Tags

NGSS.MS-LS2-3

What is the original source of energy for all organisms in this food pyramid?

• water

• sunlight

• the substratum

• carbon dioxide

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which sequence of organisms best rerpesents the flow of energy in an ecosystem?

• autotrophs-> herbivores-> carnivores

• secondary consumers -> producers -> hetertrophs

• carnivores-> decomposers-> producers

• consumers-> heterotrophs-> saprophytes

Tags

NGSS.MS-LS2-3

In this food chain, which population normally would have the smallest number of individuals?

• grasshopper

• hawk

• frog

• grass

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

What is the correct order of organisms in a food chain?

• carnivore-> producers-> herbivores

• producers-> herbivores-> carnivores

• herbivores-> producers-> carnivores

• producers-> carnivores-> herbivores

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

The diagram shown represents a food web. The numerals I, II, III and IV rerpresent four nutritional levels within the community in which different species compete. Which organisms are producers?

• whales

• algea

• small crustaceans

• bottom dwelling invertebrates

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

When an organism in this web dies, the organic molecules in its body are finally broken down and made available for recycling by the action of organisms in level

• I

• II

• III

• IV

Tags

NGSS.MS-LS2-3

A scorpion stalks, kills, and then eats a spider. Based on its behavior, which ecological terms describe the scorpion?

• predator, herbivore, decomposer

• producer, carnivore, heterotroph

• predator, carnivore, consumer

• predator, autotroph, herbivore