Environmental Changes EOC

Presentation

•

Science

•

9th Grade

•

Easy

•

NGSS

MS-LS2-4, MS-LS2-1, MS-LS2-5

Standards-aligned

Nancy Stockton

Used 3+ times

FREE Resource

26 Slides • 16 Questions

Multiple Choice

Define deforestation

The cutting down & removal of all or most of the trees in a forested area.

A broadleaf evergreen forest that is found in hot regions, receives a lot of rain and that has very tall trees.

The act or process of damaging or ruining something. To treat poorly or w/out respect.

Multiple Choice

What is the relationship between a keystone species and its ecosystem

A keystone species is always the top predator in an ecosystem.

A keystone species is essential to maintain balance and biodiversity in its ecosystem.

A keystone species provides energy to all other organisms in the ecosystem.

Multiple Choice

Why are bees considered a keystone species?

The honey they make supports the bear population

They pollinate flowers that produce fruit which supports the ecosystem

They sting when threatened

They live in hives

Multiple Choice

How would beavers building a dam cause an increase in the fish population? The dam

blocks a river and creates a lake.

causes predators to hunt more fish.

forces many birds to leave the ecosystem.

removes trees from around the river.

Multiple Choice

All of the following are examples of environmental changes that can be caused by humans except -

clearing land for housing developments

pesticides

volcanic eruption

pollution

Multiple Choice

An organism that cannot adapt to changes in the environment will most likely -

produce more offspring

die

change its traits to survive

store more food

Multiple Choice

Multiple Select

Deforestation does not cause animals to lose their habitats.

True

False

Multiple Choice

Cattle that eat grass and feed

Goats that eat weeds and shrubs

Turkeys that eat seeds and fruit

Hogs that eat fruit, seed and feed

Multiple Choice

What is an invasive species?

A native (naturally found) species which are added to an area.

A non-native (not naturally found) species added to an area.

A keystone species in an environment

none of the above

Multiple Choice

The primary cause of the introduction of invasive species introduction is ---

too much food.

human action.

weather events.

asteroids.

Multiple Choice

Invasive species alter the ecosystem by _____ in number quickly. This leads to _____ food for the native species.

increasing, less

increasing, more

decreasing, less

decreasing, more

Multiple Choice

Soil

Sunlight

Water

Oxygen

Multiple Choice

Where is pollution found on the earth?

only in the air

only on the land

only in the water

on land, in the air, and in the water

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