Sc 5 L 17 1

Pollution; Using chemicals

• Ways weather events can change the environment

• Ways humans can change the environment

• Ways animals can change the environment.

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

When pesticides are sprayed on plants,...

• it is bad for the ecosystem, because herbivores may be poisoned and have to compete for food.

• it is good for the ecosystem, because farmers can grow more crops.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

When trees are cut down to build human structures,...

• it is good for the ecosystem, because more people have places to live.

• it is bad for the ecosystem, because animals lose their food sources and shelters.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Overhunting is bad for the ecosystem, because...

• it causes an imbalance of predators and prey.

• if too many predators are hunted, there will be too many prey competing for food and shelter.

• if too many prey are hunted, there will not be enough food for the predators to eat.

• All of the answer choices are correct.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Over-farming or over-cultivating the land removes nutrients from the soil. As a result, plants will not be able to grow as healthy and will produce less food.

• True

• False

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Ocean pollution does not harm the environment, because oceans are so large.

• True

• False

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Environmental changes impact plants, animals, and humans.

• True

• False

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Bullfrogs are Florida’s largest frog. Frogs spend part of their life cycles in water and part on land. Which physical characteristic is most useful for a water environment?

• thin skin

• large eyes

• webbed feet

• long, strong legs

The Florida bald cypress tree grows in swamps and river floodplains. Which adaptation is most important for trees like the bald cypress?

• tall trunks

• flat leaves

• flood tolerance

• thin bark

Tags

NGSS.MS-LS4-4

Instead of leaves, this cactus has sharp needles. How do sharp needles help a cactus survive in a desert?

• They protect it from animals that want to eat it

• They attract insects and birds that pollinate it

• They help it get sunlight when it is dim or shady

• They store water for when there is very little rain

Tags

NGSS.MS-LS4-4