Ecology

Front

What is the carrying capacity of the graph?

Back

around 500

Front

What would increase the carrying capacity of an ecosystem? Options: increase in predators, disease, increase in available food, drought

Back

increase in available food

Front

When death rate is equal to birth rate...

Back

population stays the same.

Front

When birth rate is high and death rate is low, what happens to the population?

Back

population increases

Front

What will happen if all of the frogs in a population die?

Back

The frogs' predators will decrease and the frogs' prey will increase

Front

A scientist observed a fish population in a pond increased for 3 years, then remained constant for 7 years. What is the best explanation?

Back

reached carrying capacity

Front

2 factors which increase population size

Back

Birth Rate, Immigration

Front

Excessive amounts of rain caused a flood in the southwest United States that resulted in substantial amounts of deaths in the rabbit population. This situation is an example of a density _____________ limiting factor.

Back

density-independent

Front

A lion and a cheetah attempt to occupy the same niche. The more aggressive lion survives; the cheetah does not. Options: Density-Dependent: Competition, Density-Independent: Competition, Density-Dependent: Predator-Prey, Density-Independent: Predator-Prey

Back

Density-Dependent: Competition

Front

What most likely limits the population of bears in a large Maine forest with many animals and lots of space?

Back

Supply of food