Maintaining ecosystems 3

What is an invasive species

• Species that overtake an entire ecosystem

• A competitive species

• An introduction of a non-native species

• Predators

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-2

What is the Law of Conservation?

• To recycle everything

• The number of carbon and oxygen atoms remain the same and neither created or destroyed

• To Conserve

• The removal of trees and plants

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is biodiversity?

• The number and variety of different species in an area

• The different animals in an area

• The different plants in an area

• Both B and C

Tags

NGSS.MS-LS2-5

What is a keystone species

• The species that is the predator in an ecosystem

• The species that is the prey in an ecosystem

• the key species needed in an ecosystem

• A species that influences the survival of many other species in an ecosystem

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Scientists agree that increased levels of carbon dioxide gas contributes to

• Climate Change

• Ozone Layer

• Ecosystem

• Decrease in prey

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

Which of the following is an invasive species in Missouri streams?

• Silver Carp

• Paddlefish

• Black bass

• Crappie

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-4

NGSS.MS-LS2-2

How do human activities affect biodiversity in an ecosystem?

• by reducing a biodiversity

• by reducing an ecosystem

• by other factors

• All the above

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-4

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

The goal of habitat preservation is to maintain the natural state of a(n)

• biodiversity

• biology

• ecosystem

• land

Tags

NGSS.MS-LS2-5

In an ecosystem, what effects the biodiversity?

• lots of species

• climate and size

• plants and animals

• all of the above

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Ecosystems with a larger area of space will generally have more biodiversity.

• true

• false

Tags

NGSS.HS-LS2-2