Energy Flow in Ecosystems

All food webs and food chains begin with _________________.

• primary consumer

• producers

• secondary consumers

• tertiary consumers

Tags

NGSS.MS-LS2-3

In this energy pyramid, which organisms have the most energy available?

• Producers
• Carnivores
• Herbivores
• Top Predator

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

In an ecological pyramid, which type of organism always has the least amount of energy available?

• Producers

• Herbivores

• Carnivores

• Apex Predator

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

If there are 100 Kcal of energy available in the producers, how much energy would be available in the primary consumers?

• 10 Kcal

• 1 Kcal

• 100 Kcal

• 1000 Kcal

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

In this ecological pyramid which type of consumer gets only 10% of the energy stored in plants?

• Herbivore
• Carnivore
• Omnivore
• Secondary Consumer

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What percentage of energy is passed on to each tropic level?

• 10%
• 50%
• 90%
• 100%

Tags

NGSS.MS-LS2-3

Which organism do the owl and the weasel compete for in the food web?

• Hawk

• Spider

• Grasshopper

• Shrew

Tags

NGSS.MS-LS2-2

Based on the image, which organism recieves the least amount of energy from the producer?

• Owl

• Grasshopper

• Lilypad

• Mouse

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

In a food web, arrows point at:

• who gets energy.
• who gets eaten.

Tags

NGSS.MS-LS2-3

An organism that eats the secondary consumer.

• Primary Consumer
• Secondary Consumer
• Tertiary Consumer
• Consumer

Tags

NGSS.MS-LS2-3