Ecology and Energy Flow

Which of the following can be regarded as secondary consumers? Mark all that apply

• Wildflowers

• Rabbit

• Mouse

• Snake

• Hawk

Tags

NGSS.MS-LS2-3

What do the arrows in the food web represent? Mark all that apply

• The trophic level

• Transfer of energy

• Transfer of matter

• The feeding level

• The amount of energy available

Tags

NGSS.MS-LS2-3

How much energy is transferred from one trophic level to the next? For example, how much energy is transferred from plants to herbivores.

• 0%

• 1%

• 50%

• 10%

• 100%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the ultimate source of energy for most ecosystems?

• The moon

• The producers

• The autotrophs

• The sun

• The decomposers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is a predator prey relationship from the food web?

• The hawk and snake

• The hawk and grass

• The snake and wildflowers

• The mouse and grass

• The rabbits and wildflowers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which organism from the food web can occupy more than one trophic level?

• Mouse

• Rabbit

• Snake

• Hawk

• Wildflower

Tags

NGSS.MS-LS2-3

If the wildflowers have 8452 kcal of energy, how many kcal of energy is available to the snake?

• 8452

• 845.2

• 84.52

• 8.452

• 0.8452

Tags

NGSS.MS-LS2-3

What do organisms do with the energy they consume? Mark all that apply

• they use some of the energy to grow and develop

• they use some of the energy to maintain normal life processes

• they use some of the energy to reproduce

• They use some of the energy to make new cells

Tags

NGSS.MS-LS1-7

Why are there rarely more than three or four trophic levels in any food chain?

• because there is not enough land for the organisms to live

• because there is not enough energy for higher trophic levels

• because humans prevent more than three or four levels

• because there is not enough solar energy

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In an ecosystem which trophic level contains the most energy?

• Tertiary Consumera

• Secondary Consumers

• Primary Consumers

• Producers

Tags

NGSS.MS-LS2-3