Science CBA Review

Frogs often live in freshwater ponds where they feed on insects and lay their eggs in the water.  Sometimes they are eaten by snakes. Frog would leave the area if - 

• there were more insects.

• the snakes all died out

• the water in the pond dried up

• there was a little more rain

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

All of the following are changes to an environment that could help an animal thrive EXCEPT-

•  

  more of the kind of plants the animal eats

• fewer predators that eat the animal

• less rain during the spring and summer

• removal of animals that eat the same food

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

How could a forest fire help some organisms?  A forest fire could help –

• move the trees that birds use to build nests

• clear dead plants to allow new plants to grow

• scare away small mammals that are food for wolves

• burn the organic matter from soil where worms live

Tags

NGSS.MS-LS2-4

What is the original source of energy for all organisms in a pond ecosystem?

•  water

• plants

• animals

• sun

Tags

NGSS.MS-LS1-6

Which of the following correctly shows how energy moves through a food chain?

•  

  Sun → plants → plant eaters → meat eaters

• Sun → meat eaters → plants → plant eaters

• Sun → plant eaters → meat eaters → plants

• Sun → plants → meat eaters → plant eaters

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Many flowers are brightly colored and sweet-smelling.  This adaptation would be helpful to plants living in an environment that has —

•  

  insects the plant needs to attract.

• animals that can eat the plant

• strong winds that move plant seeds

• enough rainfall to keep the plant strong

Tags

NGSS.MS-LS1-4

Seals that live in the icy regions of the Arctic have adaptations to help them survive. Which adaptation helps keep them warm in cold water?

•  

  Flippers with long claws 

• Mouth full of sharp teeth

• Narrow head with large eyes

• Thick layer of fat called blubber

Which of the following would protect a plant from being eaten?

• Large flowers

• Deep roots

• Sweet fruit

• Sharp thorns

Which adaptation most likely helps a plant survive in a dry environment?

• Deep roots

• Large leaves

• Red flowers

• Sour fruit

Tags

NGSS.MS-LS4-4

Anteaters eat mostly ants and termites that live in tall mounds made of dirt. Which part of an anteater's body is most useful in getting food?

• Short, stubby ears

• Stiff, straw-like hair

• A thick, powerful tail

• A long, sticky tongue