Ecosystems Unit Review 2 (4th)

Every day, Joe stands near his dog’s full meal bowl and rings a bell. Over time, how will the dog most likely respond when hearing the bell?

• by running away from the bell

• by running toward the bell

• by lying down for a nap

• by sitting and barking

What biome do we live in?

• Temperate Forest

• Coniferous Forest

• Tropical Rainforest

• Tundra

How would building more roads and shopping centers most likely be harmful to all organisms?

• It would change the seasons that occur.

• It would provide more water but less food.

• It would interrupt the flow of the water cycle.

• It would destroy natural habitats, pollute the air, and decrease

  resources for food.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Jalissa asks how recycling helps the environment. What might the teacher say in response to the question?

• Recycling provides support to plants as they grow.

• Recycling increases the amount of waste humans produce.

• Recycling keep items out of the trash by giving them a new use.

• Recycling allows humans to consume more things by making them more available.

Tags

NGSS.MS-ESS3-3

As seasons change from summer to fall, which survival instinct is most likely to occur in the forest?

• Squirrels eat less food.

• Snakes prepare to hibernate.

• Birds prepare to fly north.

• Bats hunt for food during the day.

Which would most help an animal survive in areas that are extremely cold?

• hunting at night

• traveling in packs

• growing a thick fur coat

• using camouflage

Which is an example of an organism benefiting from changes in the environment?

• White arctic rabbits are more visible to predators because of warmer temperatures.

• An extreme cold temperature freezes the eggs of insects and decreases the population.

• An increase in national park lands gives species a larger habitat.

• Global climate change raises ocean temperature and decreases the jellyfish population.

Tags

NGSS.MS-LS2-4

Which helps a bat know when it is time to hibernate?

• Daylight hours get longer.

• Rainfall amounts decrease.

• The weather becomes colder.

• The number of insects increases.

Which action will be useful in contributing to the prevention of air pollution?

• riding a bike to work

• burning leaves

• burning trash

• driving more

Tags

NGSS.MS-ESS3-3

Which is an example of protective resemblance?

• An arctic fox is the same color as the snow.

• A squid inks when it feels scared.

• A dog sits on command from its trainer.

• A butterfly looks like a leaf.

Tags

NGSS.MS-LS4-4