Flow Of Energy

The first organism in a food chain must be

• an herbivore

• a heterotroph

• a saprophyte

• an autotroph

Tags

NGSS.MS-LS2-3

Which statement best describes energy transfer in a food chain?

• Energy is transferred to consumers, which convert it into nitrogen and use it to make amino acid.

• Energy from producers is converted into oxygen and transformed to consumers.

• Energy from the Sun is stored by green plants and transferred to consumers.

• Energy is transferred to consumers, which use it to produce food.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which group would most likely be represented in a food chain?

• biotic factors

•  

  abiotic factors

• inorganic compounds

• finite resources

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which sequence is an example of the producer-herbivore-carnivore relationship shown in the diagram?

• lion=> shrub => rabbit

• grass => field mouse => owl

• cricket => frog => grass

• tree => mountain lion => squirrel

Tags

NGSS.MS-LS2-3

The base of an energy pyramid for this ecosystem would include a

• frog

• snake

• plant

• grasshopper

Tags

NGSS.MS-LS2-3

How much energy would be available to the organisms in level C?

• all of the energy in level A, plus the energy in level B

• all of the energy in level A, minus the energy in level B

• a percentage of the energy contained in level B

• a percentage of the energy synthesized in level B and level D

Tags

NGSS.MS-LS2-3

The energy for use by organisms in level A originally comes from

• producers

• the Sun

• level B

•  

  level D

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Wombats are classified as herbivores because they can

• get energy from the Sun

•  

  provide energy for the kookaburras

• get nutrition from the grasses and sedges

• provide nutrition for the kangaroos

Tags

NGSS.MS-LS2-1

The diagram below does not represent a sustainable energy pyramid in an ecosystem because

• energy is never transferred between levels in ecosystems

• ecosystems never have more than three levels of energy transfer

• more energy must be available in the producer level than in the consumer levels

• producers feed on herbivores in most ecosystems

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which statement describes a pyramid of energy?

• As energy is transferred from one organism to another, a net gain occurs

• As energy is transferred from one organism to another, some of it becomes unavailable.

• No loss of biologically useful energy occurs after energy is changed in form.

• There are always more prey organisms than producers in a community.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3