Energy flow in ecosystems

Organism that eats other things for food

• consumer

• producer

• decomposer

• prey

Consumer that eats only plants

• omnivore

• insectivore

• carnivore

• herbivore

If a disease strikes the snakes the rabbits will

• increase

• decrease

• not be affected

Tags

NGSS.MS-LS2-4

The primary consumer in this food chain is the ____________.

• Frog
• Eagle
• Grasshopper
• Python

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the animals in this food web is a secondary consumer?

• Hawk
• Lizard
• Mouse
• Snake

Given that the bear pictured eat many types of food including meats and plants, he is an example of an ______________________.

• Autotroph
• Omnivore
• Herbivore
• Producer

The largest part of an ecosystem is always the ________________.

• Primary Consumers
• Primary Producers
• Quarternary Consumers
• Secondary Consumers

Tags

NGSS.MS-LS2-3

On average how much energy is passed to a higher level in the food web?

• 90%
• 25%
• 10%
• 50%

Tags

NGSS.MS-LS2-3

An environmental change that removed which of these organisms from the ecosystem would cause the most instability in the ecosystem?

• Auklets
• Foxes
• Salmon
• Zooplankton

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is the role of decomposers in a food chain?

• Use sunlight to make food
• Eat other organisms to gain energy
• Make the food for the whole food chain
• Break down dead organisms and add nutrients to the soil

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3