Unit 2 - Biodiversity

Match the following terms with their definition.

• the total # of different species

• Species Evenness

• the relative abundance of species

• Species Dominance

• the most abundant species

• Species Richness

Organize these options into the right categories.

Groups:

(a) Factors that Increase Diversity

,

(b) Factors that Decrease Diversity

• environmental stress

• geographic isolation

• extreme amounts of disturbance

• physically diverse habitat

• high diversity of producers

• middle stages of succession

________ species are plant and animal species that are found in a particular geographical region and nowhere else in the world.

_______ species are more susceptible to being wiped out by the introduction of invasive species.

• Indicator

• Amphibious

• Generalist

• Specialist

Tags

NGSS.MS-LS4-4

This graph depicts the ecological tolerance of the Blackstripe topminnow in regard to the flow rate of the river/stream it lives in. Drag the labels to the approximate spots on the curve that they belong to. There are two duplicated options.

a

b

c

d

e

Zone of physiological stress

Zone of intolerance

Zone of physiological stress

Zone of intolerance

Optimum range

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Individuals living in the zone of intolerance will _____.

• thrive

• reproduce

• die

• play the harmonica

Tags

NGSS.MS-LS2-4

______ succession starts from bare rock.

Pioneer species like moss and lichen are most likely to show up after

• primary succession

• secondary succession

A role played by an organism in an ecosystem is known at its

• Niche

• Job

• Role

• Duty

Tags

NGSS.MS-LS2-2

Which of the following has a negative impact on biodiversity?

• Accidental introduction of invasive species

• Burning fossil fuels

• Burning the Amazon forest

• Population growth

• Overconsumption

Tags

NGSS.MS-LS2-4