Environmental Science Ecology Test 3 Study Guide 2nd 9 weeks

Which definition best describes the term population density?

• A measurement of people in a specific area.

• People living together.

• The number of people living in a place.

• The density of a population.

What are survivorship curves?

• curves that describe the number of survivors over time

• curves that tell us what the limiting factors are

• curve that tells us about the carrying capacity

• a curve

Why don't populations grow indefinitely?

• limiting factors

• only biotic factors

• only abiotic factors

• none of the above

What is the arrow pointing at?

• carrying capacity

• biotic potential

• density-independent

• density dependent

parasites, disease, predators, are examples of what type of limiting factors?

• density dependent

• density independent

• survivorship

• type 1 curve

What is the carrying capacity mean?

• The number of individuals an area can carry

• the number of births

• The number of deaths an area has

• not sure

(Im)migration is ...

• the movement into an area

• The movement out of an area

• The migration process

• exponential graph

The exponential graph is a graph that shows us population size increasing quickly, which one below shows us that

• 
• 
• 
• 

Which pattern below shows a clumped dispersion of a population?

• Pattern A

• Pattern B

• Pattern C

If the number of births in a population is higher than the number of deaths in a population, what will happen to the growth of the population?

• it will increase

• it will decrease

• it will stay the same

• it will fluctuate