Category 3: Living Systems and Ecosystem Interactions Mock A

Label the diagram for Figure 2 to show how trees use photosynthesis to make food.

Groups:

(a) A

,

(b) B

• Oxygen

• Carbon dioxide

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Look at the diagram of the lady beetle life cycle.

At which stages of its life cycle does the lady beetle help control pest populations?

• Only the egg and pupa stages help control pests.

• Both the larva and adult stages help control pests by eating insects like aphids.

• The lady beetle does not help control pests at any stage.

• All stages of the lady beetle eat and control pests equally.

Sort the organisms from the food web into the chart below.

Groups:

(a) Producer

,

(b) Consumer

,

(c) Decomposer

• Grasshopper

• Rabbit

• Snake

• Grasses

• Bacteria

• Fox

• Bird

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Match each function of the radish plant to the plant structure that helps the radish plant's population survive.

a

b

c

Produces food for the plant

Collects nutrients for the plant

Helps the plant reproduce

Tags

NGSS.MS-LS1-6

Drag the organisms into the food web to show how matter moves throughout this ecosystem.

​ (a)   -> ​ (b)   ​-> (c)   ->
(d)  

• acorn
• chipmunk
• coyote
• decomposer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which pair of organisms needs to switch places in order for this ocean food chain to be correct?

• the phytoplankton and the largemouth bass

• the largemouth bass and the shiner

• the largemouth bass and the zooplankton

• the zooplankton and the phytoplankton

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The food web shows the relationship between organisms in an ecosystem. What would most likely happen to the population of mice if fire destroyed all the wheat?

• The population of mice would decrease

• The population of mice will increase

• The population of mice would compete with the snake for food

• The population of mice would rely on another food source

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Leopard seals are animals adapted to survive in the freezing conditions of Antarctica. Individual leopard seals vary in their different traits. Which of the following variations would give a leopard seal the greatest chance of surviving in its harsh environment?

• A. More spots on its coat

• B. More elongated head

• C. Wider, flatter teeth

• D. Thicker layer of blubber

Tags

NGSS.MS-LS4-4

What species of tree is the fruit from?

• Fraxinus americana

• Franinux negundo

• Acer platanoides

• Acer negundo

Use the dichotomous key to identify this white wildflower

• Starflower

• Chickweed

• Common Strawberry

• Bowman's root