Biology Plants

Which of the following best explains the difference in the amount of available energy in the trophic levels of the desert ecosystem?

• There is less energy available in the producers because their tissues are less dense than those at higher trophic levels.

• There is more energy available in the second trophic level because less energy is needed for hunting compared to the higher trophic levels. 

• There is more available energy in the birds of prey because they have greater muscle mass for storing energy than organisms in lower trophic levels have. 

• There is less available energy in the fourth trophic level because of the loss of energy through metabolism in each of the lower trophic levels.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

Complete burning of plant material returns carbon primarily to the...

• herbivores

• vegetation

• atmosphere

• water

Tags

NGSS.MS-LS2-3

The framework of organic molecules essential to all organisms is composed mainly of carbon atoms. Which processes are involved in the cycling of carbon within an environment? 

• photosynthesis and respiration

• evaporation and condensation

• transcription and translation

• diffusion and transpiration

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which of the following statements is true about natural systems?

• Consumers form the bottom levels of both the energy pyramid and the biomass pyramid.

• Producers are at the bottom level of both the energy pyramid and the biomass pyramid.

• Producers are at the bottom of the energy pyramid, but at the top of the biomass pyramid.

• Consumers are at the bottom of the energy pyramid, but at the top of the biomass pyramid.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which organism receives the least amount of energy from the producers?

• hawk

• snake

• grasshopper

• mouse

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

Photosynthesis happens in the

• Roots

• Stems

• Leaves

• Flowers

Tags

NGSS.MS-LS1-6

The male parts of a flower are called the

• angiosperm

• gymnosperm

• androecium

• gynoecium

The female parts of a flower are called the

• Gymnosperm

• Angiosperm

• Gynoecium

• Androecium

The petals of a flower are called the

• Corolla

• Calyx

• Carpel

• Corona

Vascular plants that have flowers are called

• Gymnosperms

• Angiosperms

• Complete flowers

• Incomplete flowers