Review of CA

What type of growth is demonstrated in the graph?

• Exponential

• Carrying capacity

• Linear

• Negative

When Yellowstone National Park was created in the late 1800s, wolves were on the decline. The last wolves in Yellowstone were killed in 1926, but in the 1800s, there were between 100-160 wolves in the park. In 1995, gray wolves were reintroduced to the park.

Which graph (drawn in red) below shows a prediction of how the population would change if there was less water available in the ecosystem?

• 
• 
• 
• There would be no change to carrying capacity.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Looking at the graph. What would you estimate the carrying capacity to be?

• 100

• 200

• 150

• 175

• 125

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Look at the graph. When does the graph leave Phase I and enter Phase II?

• 6 years

• 10 years

• 22 years

• 1 year

Tags

NGSS.MS-LS2-1

Which of these is a producer that gets its energy from something OTHER THAN the sun?

(HINT: It does not use sunlight at all)

• Freshwater Algae

• Open Ocean Phytoplankton

• Deep Sea Chemosynthetic Bacteria

• Shallow Water Seaweed

What is the MAIN way most energy is lost in a food chain?

• Heat

• Respiration

• Waste

• Growth

On average, how much energy is passed from one level of a food chain to another?

• 10%

• 90%

• 100%

• 50%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In a freshwater ecosystem, ducks and snails eat grass and algae. The snails are eaten by mice and ducks. A fox will eat mice, but also ducks.

From this description, how would you describe the Ducks?

• Producer

• Omnivore

• Carnivore

• Herbivore

Based on the Food Web, which of these statements is true?

• The shark is a producer

• The octopus is a primary consumer

• The limpet is a secondary consumer

• The zooplankton is a primary consumer

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Based on the Food Web, which animal would be an omnivore?

(HINT: an omnivore eats Producers and Consumers)

• The shark

• The seagull

• The limpet

• The fish