Unit 6 Ecology Review

In a desert ecosystem, sand is an example of a(n)______________ factor.

• biotic

• abiotic

• ecosystem

• community

Which level of organization is the most complex?

• organism
• population
• community
• ecosystem

What do ecosystems have that the other three levels of organization do not have?

• living things
• biotic factors
• abiotic factors
• organisms

Tags

NGSS.MS-LS2-3

2 factors which increase population size

• Birth Rate, Immigration
• Death Rate, Immigration
• Birth Rate, Emigration
• Death Rate, Emigration

What do you call the population size represented by the dashed-Line

• Carrying Capacity
• Limiting Factor
• Ecosystem
• Death Rate

What type of population change does this graph represent

• Exponential Growth
• Massive Die-off
• Linear Growth
• Decrease in Birth-Rate

Tags

NGSS.HS-LS4-5

2 factors which decrease population size

• Birth Rate, Immigration
• Death Rate, Immigration
• Birth Rate, Emigration
• Death Rate, Emigration

From 1901-1981 how would you describe the Raven Population

• Below Carrying Capacity
• Above Carrying Capacity
• At Carrying Capacity
• Bird-Like

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Predator population lags behind prey population because......

• Increase in predators leads to decrease in prey

• Increase in predators leads to increase in prey

• Increase in predators leads to decrease in producers

• Increase in producers leads to increase in prey

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which of the following shows the correct pyramid of biomass for the food chain?

• A
• B

Tags

NGSS.MS-LS2-3