Biology Unit 1 Preassessment

Certain lizards display a survivorship curve where the chance of survival is independent of age. Which line on the graph best depicts the survivorship of these lizards?

• A

• B

• C

• D

Tags

NGSS.HS-LS2-2

The graph shows mule deer population growth levels since 1980. Which of the following observations can be made from the graph?

• Mule Deer population levels are responsible for plant levels decreasing in surrounding forests.

• Mule Deer population levels have increased during the past 4 decades

• Mule deer populations have been rising at the same rate over the past 4 decades

• Mule deer levels have stayed the same over the past 4 decades

Tags

NGSS.HS-LS2-2

What does the graph tell you about biodiversity between 1600 and 1959?

• biodiversity has increased

• biodiversity has decreased

• biodiversity has remained about the same

• not enough information to tell

Tags

NGSS.HS-LS2-2

Click the image to enlarge it. Which community has higher biodiversity EVENNESS?

• Community 1

• Community 2

• They are the same

Tags

NGSS.HS-LS2-2

What kind of growth is this country experiencing?

• Exponential Growth

• Stable Growth

• Declining Growth

Tags

NGSS.HS-LS2-2

The primary consumer in this food chain is the ____________.

• Frog

• Eagle

• Grasshopper

• Python

Tags

NGSS.HS-LS2-4

In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?

• 10%

• 20%

• 80%

• 90%

Tags

NGSS.HS-LS2-4

Which type of succession is being shown here?

• primary succession

• secondary succession

• tertiary succession

• variable succession

Tags

NGSS.HS-LS2-6

Which of the following is a potential disadvantage of reintroducing wolves to Yellowstone?

• Wolves leaving the park may prey on livestock in grazing land outside the park.

• The wolves are causing a trophic cascade that could further increase the number of beavers and tree species such as willows and aspens.

• Wolves are extremely fast breeders and may become an invasive species if they get outside the park.

• The ecosystem could collapse because wolves were never in Yellowstone before 1995.

Tags

NGSS.HS-LS2-6

Extensive logging can lead to

• Mudslides

• Deforestation

• Lost of species

• All of the above

Tags

NGSS.HS-LS2-6