Energy in Ecosystems

Which of these is a producer?

• Insects

• Grass

• Bacteria

• Eagle

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

This diagram shows how energy flows through an eco-system. What is the first source of energy in this pyramid (aka producers)?

• sharks and large birds

• algae, plankton and seagrass

• herbivorous fish, crustaceans and sea urchins

• seals and carnivorous fish

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Where do producers get most of the energy they need to make their own food?

• carbon dioxide

• oxygen

• sunlight

• water

Tags

NGSS.MS-LS1-6

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

• Producers
• Carnivores
• Herbivores
• Top Predator

Tags

NGSS.MS-LS2-3

In the food web shown, the snail would be considered...

• primary consumer
• secondary consumer
• tertiary consumer
• producer

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph
• Producer
• Consumer
• Mutualist

Tags

NGSS.MS-LS2-3

If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?

• 10 Kcal
• 1 Kcal
• 100 Kcal
• 1000 Kcal

Tags

NGSS.MS-LS2-3

A food pyramid represent the relative amount of energy in trophic levels. Which of the following correctly shows a food pyramid?

• A
• B
• C
• D

Tags

NGSS.MS-LS2-3

Which organisms in figure 1 could be classified as carnivores?

• deer, mice, and grasshoppers

• grasshoppers, lizards, and shrews

• coyotes, shrews, and lizards

• mountain lion, deer, and shrews

In the food web pictured here, flies provide energy for...

• Dragonflies, Turtles, & Frogs

• Slugs & Fish

• Water Weeds & Algae

• Snakes, Frogs, & Kingfishers

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3