Environmental Changes

If humans cleared a forest to build homes, we would expect _____________.

• fewer tree-dwelling animals

• increased insect populations

• more development of soil

• more frequent thunderstorms

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

In which example does a nonliving factor affect an ecosystem?

• Insects destroy most of the trees in the forest

• A tornado uproots many trees in a neighborhood

• A beaver uses trees it cuts down to build a dam on a river

• People cut down trees to clear land for building homes.

Tags

NGSS.MS-LS2-4

How will the construction shown above most likely effect the environment?

• Animals in different parts of the ecosystem will be separated

• Habitats on both sides of the road will be damaged by flooding

• Plants will stop growing in the cleared ground

• Populations of predators will increase in this region.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

The nesting habits of four types of birds are above. If all the dead branches and dying trees in a wooded area are removed, which bird's nesting habit would be most affected?

• Baltimore Oriole

• Barn Swallow

• Downy Woodpecker

• Belted kingfisher

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following would most likely result in a decrease in the population of insect-eating birds that build their nest on trees?

• Overhunting of animals that prey on birds

• Observation of birds by scientist

• Introduction of a new type of insect

• Clearing of forests to build a highway

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

trees are cut down in large numbers to clear the land; this can lead to erosion and loss of soil

• impact

• restore (restoration)

• deforestation (clear cutting)

• invasive species

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

problem that occurs when grazing animals like cattle and sheep eat too much vegetation (grass)

• habitat

• overgraze

• thrive

• global warming

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is a drought?

• Not enough rain

• Too much rain.

• Too much people using water

• Strong winds

Tags

NGSS.MS-LS2-1

Changes to an environment may make it more difficult for an organism to find-

• food.

• shelter.

• water.

• all of the above

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

When an environment changes and organisms can no

longer meet their basic needs they will most likely −

• thrive.

• perish.

• not be affected.

• none of the above

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4