Biodiversity and Ecosystems

What are three things plants need in order to complete photosynthesis?

• energy from the sun

• dirt

• water

• carbon dioxide

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

The number and variety of organisms in an ecosystem is called -----------?

Which ecosystem has higher biodiversity?

• • 12 different plants (producers)

  • 4 different herbivores

  • 2 omnivores

  • 3 carnivores

• • 1 type of plant

  • 4 types of animals

• • 20 identical animals

  • no plants

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-4

Ecosystems with LOW biodiversity have a BETTER chance of recovering after a disturbance.

• True

• False

The ability of an ecosystem to maintain its structure and function over time

Tags

NGSS.HS-LS2-6

NGSS.HS-LS2-7

Ecosystems with ----- biodiversity will be more sustainable over time.

• low

• medium

• high

Tags

NGSS.MS-LS2-5

Which type of succession begins with bare rock or in a place where there was never an ecosystem?

• primary sucession

• secondary sucession

Which type of succession occurs after a disturbance occurs that leaves old soil?

• primary sucession

• secondary succession

Moss and lichen are the pioneer species of which type of succession?

• primary

• secondary

Grasses and small plants grow in an ecosystem AFTER the pioneer species.

• true

• false

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1