Matter and Energy in Ecosystems

Where do producers get their energy from?

• the ground

• other animals

• decomposers

• the sun

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The capturing of the suns energy is possible through a process called _____________

• Chemosynthesis

• Photosynthesis

Tags

NGSS.MS-LS1-6

What type of organism makes its own food?

• consumer

• carnivore

• producer

• animal

Tags

NGSS.MS-LS1-6

Which choice has a group of only producers?

• red wolf, coyote, grey wolf

• sunflower, grass, pine tree

• mushrooms and worms

• seaweed, algae, mushrooms

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?

• 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

The amount of matter in an ecosystem is always ​ (a)   . It just changes forms and is recycled.

• constant

• decreasing

• increasing

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Giant pandas eat bamboo plants in the mountains of China. The number of energy storage molecules has decreased in both the bamboo and the pandas. What has happened to the amount of carbon in the bamboo and the pandas? The amount of carbon in the bamboo and pandas . . .

• has not changed.

• is not related to the number of energy storage molecules.

• has increased.

• has decreased.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

In order for matter to recycle and return in the food chain shown here, what must be present at level A?

• Tertiary consumers

• Decomposers

• Producers

• Secondary consumers

Tags

NGSS.MS-LS2-3

Match the following

• mass cannot be created or destroyed

• energy

• energy cannot be created or destroyed

• matter

• the ability to do work and enables organisms to use matter in life processes.

• law of conservation of mass

• anything that has mass and takes up space.

• law of conservation of energy

• a tool that can be used to trace the flow of energy through an ecosystem.

• energy pyramid

Tags

NGSS.MS-LS2-3

NGSS.MS-PS1-5

NGSS.MS-PS3-5

consumer gets energy by

• absorbing sunlight.

• breaking down dead organisms.

• soaking it up from the ground.

• feeding on other organisms.