STAAR Life Science

• Animal 1 changes from to become an adult.

• Both animals look like the adult while growing.

• Animal 2 reaches adulthood in a shorter period of time.

• Both animals have young that live in similiar habitats.

Which sentence describes the interaction of a white-tailed deer with both living and nonliving parts of its ecosystem.

• The white-tailed deer. hides behind a rock and uses the heat from the sun to stay warm.

• The white tailed deer protects its fawn from predators and shows the fawn how to find food.

• The white-tailed deer rubs its antlers on a tree and eats leaves from the tree.

• The white-tailed deer eats grass in a field and drinks water from a pond.

Tags

NGSS.MS-LS2-3

• Swamp

• Artic

• Desert

• Forest

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

• 1 and 4

• 2 and 5

• 3 and 6

• 6 and 1

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Match the following

• Consumer

• Parsley

• Consumer

• Bird

• Decomposer

• Mushroom

• Producer

• Catepillar

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

• 2

• 3

• 4

• 5

Tags

NGSS.MS-LS2-3

Axis deer are an invasive species of deer found in Texas. There about 125,000 axis deer in Texas. Axis deer eat grasses, flowering plants, and shrubs. The diet and habitat of axis deer are often the same as those of other animals native to Texas.

Based on this information, how do axis deer most likely affect Texas ecosystems?

• They cause populations of native plants to increase.

• They overgraze the land, which causes soil erosion to increase.

• They cause the predators of native animals to move to new locations.

• They increase the availability of food, which causes an increase in herbivore populations.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Researchers found seashell fossils, including those from mollusks and coral, in a rock formation high in the Rocky Mountains.

Which statement BEST explains why seashell fossils can be found on some mountains?

• The rocks formed under water.

• Rivers carried rocks up the mountains.

• The area was a sand dune that hardened as it was covered with water.

• The mountains split to form canyons that contained organisms with shells.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

• It helps macaws catch and chew small mammals and crustaceans.

• It helps macaws break open and eat tropical fruits and nuts.

• It helps macaws make large holes in trees to reach insects to eat.

• It helps macaws swallow whole prey.

Tags

NGSS.MS-LS4-2

• The fungi are better adapted because they have spores that grow better in the dark.

• The ferns are better adapted because they have strong root systems.

• The fungi are better adapted because they can get energy from decaying trees.

• The ferns are better adapted because they get energy from the sun.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4