A farmer is reading a guide to learn about how to make changes to a pond so it will support native wildlife. The guide give the following suggestions...

-Reduce soil erosion by keeping grazing animals away from the banks of the pond.

-Add large rocks to provide sunning sites for turtles.

-Allow plants to grow along the shoreline to provide cover, nests, and food for wildlife.

-Float logs near the edge of the water to provide habitats for salamanders.

Which suggestion below involves interactions between two groups of living organisms?

• Reduce soil erosion by keeping grazing animals away from the banks of the pond.

• Add large rocks to provide sunning sites for turtles.

• Allow plants to grow along the shoreline to provide cover, nests, and food for wildlife.

• Float logs near the edge of the water to provide habitats for salamanders.

Tags

NGSS.MS-LS2-2

Which of the following obtains energy without depending on another organism?

• Mushroom

• Elm tree

• Mountain lion

• Cottontail rabbit

Tags

NGSS.MS-LS1-6

Agamas are a species of lizards. They can be kept in a terrarium to study their behavior and how they interact with their environment.

Which of the following observations describes this agama lizard interacting with the living elements in its environment?

• The agama rested on one of the rocks and lifted its head toward the light.

• The agama jumped from the rock and scattered sand with its tail.

• The agama drank some water and then ran across the sand.

• The agama climbed the plant and then ate a cricket off one of the leaves.

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-3

Mr. Salgado observed birds in a park and recorded some ways that birds interact with living and nonliving parts of their environment.

All of the following observations are ways that a bird interacts with nonliving parts of its environment EXCEPT...

• feeding insects to its chicks

• drinking and taking a bath in a puddle of water

• responding to cold weather by fluffing its feathers

• reacting to morning sunlight by singing

Which of the following is a structural adaptation that allows animals to live in an aquatic ecosystem?

• hooves

• long legs

• webbed feet

• thick fur

^{How many types of organisms in this food web obtain energy directly from producers?}

• Two

• Three

• Four

• Five

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of these describes one or more living organisms that depend on another living organism to survive?

• Bacteria living in the mouth of a human.

• Ivy plants growing up a fence to obtain more sunlight.

• Mold living on a rock.

• A catfish releasing carbon dioxide into lake water.

The oxpecker is a type of bird. Which of the facts below best describes how these birds depend on other animals to survive?

• They have yellow bills.

• They make nests in trees away from predators.

• They eat bugs and parasites off zebra while the zebra graze.

• They are often found in the same fields as zebras.

Tags

NGSS.MS-LS2-2

Which of the following shows the flow of energy in a marine ecosystem?

• Flower→Caterpillar→Mouse→Snake

• Zooplankton→Small Fish→Seal→Shark

• Zooplankton→Algae→Seal→Shark

• Phytoplankton→Small fish→Seal→Shark

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The following characteristics of an animal are observed...

-small mammal

-body that is about 23 cm long

-scaly tail

-back feet are partially webbed

What features does the ecosystem in which this animal lives most likely have?

• Dry, rocky mountains

• Forests of pine trees

• Tall, spiny cacti

• Lakes and rivers

Tags

NGSS.MS-LS2-1