Ch 3 Review

Which community has higher species evenness?

• Community A

• Community B

Tags

NGSS.MS-LS2-5

What is the species richness of the community?

• 4
• 3

• 2

• 1

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-4

Species richness is

• a measure of how all of the individual organisms in an ecosystem are balanced between the different species.

• the total number of different species found in an ecosystem

Tags

NGSS.MS-LS2-5

True or false: An ecosystem with high genetic diversity is healthier than an ecosystem with low genetic diversity.

• True

• False

Tags

NGSS.MS-LS4-4

What is a keystone species?

• A keystone isn't a living thing, it's just a stone

• Keys and stones have nothing to do with ecology

• A species that lives in or around rocks

• A species that helps to hold an ecosystem together

Tags

NGSS.MS-LS2-2

Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not. Which kind of symbiosis is this an example of?

• mutualism
• commensalism
• competition
• parasitism

Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower. Which kind of symbiosis is this an example of?

• commensalism
• mutualism
• parasitism
• predation

Tags

NGSS.MS-LS2-2

Red-billed oxpeckers are birds that often feed on parasites that infest impala.  Which kind of symbiosis is this an example of?

• commensalism
• mutualism
• neutralism
• competition

Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants. Which kind of symbiosis is this an example of?

• Predation

• Parasitism

• Commensalism

• Mutualism

What does biodiversity mean?

• Only one species in an area.
• The different amount of species in an area
• All abiotic life
• Nitrogen fixation

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-2