Science Starr

Four students were asked to create a graph representing a typical predator–prey relationship. Which graph shows a situation in which the number of predators in a population depends on the number of prey?

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Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

How does this chemical help black walnut trees compete with plants growing nearby?

• By attracting herbivores to the other plants

• By suppressing the growth of the other plants

• By increasing the photosynthesis rates in the other plants

• By limiting the amount of water available to the other plants

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

The Prairies Region and the Cross Timbers are located in north-central Texas. The graph below shows information about eating habits of white-tailed deer in these regions. A Cross Timbers rancher is concerned about competition between the ranch animals and the deer. Based on the graph, which ranch animals compete for the most food with white-tailed deer?

• Cattle that eat grass and feed

• Goats that eat weeds and shrubs

• Turkeys that eat seeds and fruit

• Hogs that eat fruit, seeds, and feed

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

The Couch’s spadefoot lives in Texas and has the characteristics listed below.

The Couch’s spadefoot is adapted to a certain type of environment. Which of these resources is most likely scarce in this environment?

• Soil

• Sunlight

• Water

• Oxygen

Tags

NGSS.MS-LS2-1

Animals from two different species utilize the same source of nutrition in one area. It is most accurate to say that the animals…

• will learn to get along

• will compete for food

• will die because there will not be enough food for both of them

• will learn to eat different foods

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

• A

• B

• C

• D

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

• A

• B

• C

• D

Tags

NGSS.MS-LS4-4

• A

• B

• C

• D

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

• A

• B

• C

• D

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

• A

• B

• C

• D

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4