7th-T8 L2/L3: Energy Flow in Ecosystems

Draw

Shade in one of the arrows to indicate the direction in which energy flows between the Tule elk and the grass.

Drag and Drop

In ​

Placeholder

, most energy enters through sunlight using ​

Placeholder

.

Drag these tiles and drop them in the correct blank above

producers

consumers

photosynthesis

Multiple Choice

Producers help.....

• feed other species

• populations grow

• reduce populations

Multiple Select

Which are examples of consumers?

• herbivores

• omnivores

• carnivores

• plants

Match

Match the following

• eat only animals

• eat only plants

• eat both animals and plants

• eat dead animals

carnivore

herbivore

omnivore

scavenger

• carnivore

• herbivore

• omnivore

• scavenger

Drag and Drop

​

Placeholder

break down biotic wastes and dead organisms, returning the raw materials to the ecosystem.

Drag these tiles and drop them in the correct blank above

Decomposers

Consumers

Producers

Labelling

Label the producers, consumers, decomposers, and scavengers in the image.

Drag labels to their correct position on the image

producers

consumers

decomposers

scavengers

Multiple Choice

A ______ _____ is a series of events in which one organism eats another and obtains energy and nutrients.

• food chain

• food web

• consumer

Drag and Drop

A ​

Placeholder

is how energy and matter cycle through an ecosystem.

Drag these tiles and drop them in the correct blank above

food web

food chain

Reorder

The following organisms live in a grassland ecosystem: hawk, snake, grass/other plants, toad, grasshopper. Put these organisms in order to show a possible grassland food chain.

• grass/other plants

• grasshopper

• toad

• snake

• hawk

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Draw

Circle where the food chain begins.

Labelling

Label the missing animals

Drag labels to their correct position on the image

cactus

rattlesnake

deer

coyote

Multiple Choice

What does a first-level consumer eat?

• crickets, rats, tortouise

• tree and grass

• scorpion and tarantulas

Multiple Choice

Which is an example of a first-level consumer from the food web? 

• crickets

• grass

• scorpion

• hawk

Multiple Choice

What eats a first-level consumer?

• kangaroo rat

• Joshua tree

• tarantula

• hawk

Multiple Choice

What is an example of a second-level consumer from the food web?

• crickets and rats

• grass and tree

• scorpion and tarantula

• hawk

Multiple Choice

What kind of consumer is the tarantula?

• first level

• second level

• third level

Multiple Choice

 If a coyote eats this tarantula, then what is the  coyote?

• first level

• second level

• third level

Draw

Write the missing equation and the amount of energy that gets to the hawk at the top.

Draw

Draw arrows and label them to show how energy enters and leaves the terrarium.

Labelling

The water you drink may have passed through the water cycle millions of times. Tomorrow, those molecules from your drink could be part of a cloud, a drop of rain, a stream, or water vapor in the air.

Label the three processes of the water cycle.

Drag labels to their correct position on the image

precipitation

condensation

evaporation

Open Ended

How can water vapor in the air can end up as water in the ocean?

Draw

Draw arrows to show how carbon and oxygen move through the ecosystem.

Draw

Circle the steps where free nitrogen is changed to a form plants and animals can use.