Dynamic Nature of Ecosystems

Which type of ecological succession begins on bare rock (no soil)?

• Primary

• Secondary

• Both

Which type of succession would occur here?

• Primary

• Secondary

• Both

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

6.The first species to populate an area after a disturbance is called:

• A pioneer species

• A pilgrim species

• A founder species

• A primary species

Both the lion and the cheetah eat some of the same prey in this ecosystem. Two organisms going after the same resource is known as

• Mutualism

• Parasitism

• Competition

• Commensalism

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

What makes an ecosystem strong/weak in the face of change?

• Climate

• Average rainfall

• Biodiversity

• Sun exposure

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Select the ecosystems that would be able to better resist the impact of disturbances or be able to rapidly recover from disutrbances

• those with a higher species diversity

• those with a lower species diversity

• species diversity has no impact on an ecosystem's ability to respond to disturbances

Tags

2.1

______ ____________ is concerned with ecosystems, all
the abiotic factors and the community of species in a certain
area. It focuses on energy flow and the cycling of chemicals
among the various abiotic and biotic factors.

• Organismal
  ecology

• Population ecology

• Community ecology

• Ecosystem ecology

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

Which of the following terms describes any major changes that may occur to an ecosystem?

• Distubance

• Resiliency

• Adaptations

• Biodiversity

Tags

NGSS.MS-LS2-5

Which of the following is a dominant plant you would expect to find during the intermediate stages of succession of a forest?

• Lichen

• Annual grasses

• Shade-intolerant trees

• Shade tolerant trees

Tags

NGSS.MS-LS2-4

Coyote populations have been increasing in recent years. Which would not be a reason for their increase?

• More food is available

• Less competition from other predators

• Less available habitat to live in.

• Less threat of being hunted by humans

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4