Dynamic Ecosystems

_______________ consists of all the organisms living in an area and the nonliving features of their environment

• population

• biosphere

• community

• ecosystem

The largest number of individuals of one species that an ecosystem can support over time is

• biotic potential

• carrying capacity

• limiting factors

• community

If two animals need meat from the same prey, there is ________ for that food source

• cooperation

• competition

• condensation

• community

In succession, which organisms arrive first?

• mature trees

• small animals

• lichens and mosses

• large predators

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

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

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

• Distubance

• Resiliency

• Adaptations

• Biodiversity

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

Which change in an ecosystem increases the carrying capacity for a particular species?

• fire

• disappearance of a competing species

• flood

• appearance of a competing species

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is the difference between a community and an ecosystem?

• An ecosystem includes living and nonliving things in an area and a community includes all the populations in an area

• An ecosystem includes living and nonliving things in an area and a community is all the members of one species in the area.

• An ecosystem includes the nonliving things in an area and a community includes the living things.

• An ecosystem includes the living things in an area and a community includes the nonliving things.