Some characteristics of the tundra are described

Based on this description, which pair of animals is LEAST likely to live in the tundra?

• A

• B

• C

• D

Which observation describes barracudas interacting with the living elements of their ecosystem?

• Barracudas can travel quickly using surface ocean currents.

• Barracudas live around hard structures such as oil rigs and jetties.

• Barracudas are predators of other fish.

• Barracudas tend to live in warm waters.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which observations best describe how box turtles interact with living parts of their environment?

• Observation 4 and observation 6

• Observation 2 and observation 5

• Observation 1 and observation 5

• Observation 3 and observation 4

Tags

NGSS.3-LS2-1

NGSS.3-LS4-3

A food chain is shown.

• They decompose small organisms to produce energy.

• They prevent the food chain from containing too many carnivores.

• They capture the energy from the sun and are food for consumers.

• They break down dead organisms into simpler substances.

Tags

NGSS.MS-LS2-3

A food web of a grassland ecosystem is shown. Which organisms rely on the same food source?

• Snakes and hawks

• Mice and snakes

• Rabbits and lizards

• Grasshoppers and lizards

Which effect will most likely occur when crested floating heart covers a lake?

• Less sunlight will reach the plants that grow underwater.

• Small fish will have fewer places to hide from predators.

• Several new trees will grow along the lake shore.

• Deer will have to find another source of water.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Scientists have uncovered palm plant fossils in Alaska, the northern-most state of the United States. Modern-day palm plants grow in tropical climates. A picture of a palm fossil that measures almost one meter across is shown. This discovery suggests to scientists that this area in Alaska once was —

• covered with an ocean

• warmer than it is now

• populated by polar bears

• changed by earthquakes

Tags

NGSS.MS-ESS2-2

NGSS.MS-LS4-1

Which statement is supported by the data shown in the table?

• Pumpkins take the most time to sprout and to be ready for harvesting.

• Green bean seeds sprout faster because they are smaller than other seeds.

• Cucumbers are ready for harvest in less time than watermelons.

• Watermelon seeds take longer to sprout because watermelon plants produce large fruits.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

The foot of a hawk and the foot of a chicken are shown. The difference between the shapes of their feet is most likely associated with the —

• predators that hunt them

• climate in which they live

• way they get their food

• distance they can fly

Tags

NGSS.MS-LS4-2

Butterflies have very long, tubelike tongues. Hummingbirds have very long tongues. Which statement best describes why butterflies and hummingbirds both have long tongues?

• Butterflies and hummingbirds both migrate.

• Butterflies and hummingbirds are attracted to brightly colored flowers.

• Butterflies and hummingbirds eat the same food.

• Butterflies and hummingbirds have the same predators.

Tags

NGSS.3-LS3-2

NGSS.4-LS1-1