Ecology Review

Which of the following are biotic factors? Choose all that apply.

Which of the following are abiotic factors? Check all that apply.

The graph shows the range of water conditions preferred by three species of fish in a stream. Which type of water conditions would cause the most competition for resources among ALL THREE species of fish?

The table represents four birds and their diets. Suppose pollution has caused a negative change in saltwater quality in a marine environment. Which bird would likely be most affected?

A partial marine food web is shown. Green crabs carry a disease that can infect organisms that prey on (eat) the crabs. Which organism is most likely to impacted by the disease?

The graph shows the rotifer and zebra mussel population in the Hudson River. Based on the graph, what likely occurred resulting in the rapid decline of the zebra mussel population in 2007?

In a forest ecosystem, deer eat small berries from various plants, as well as grasses, while wolves prey on deer. A drought (lack of rain) occurs in the forest ecosystem, resulting in a lack of healthy grass, berries, and other greenery. Which of the following are the limiting factors to the wolf population in this instance? Check all that apply.

How do artificial reefs positively affect ocean systems?

Which of these is a way that runoff impacts ocean systems? Check all that apply.

Two species attempting to use the same resource-

Nonliving factors of an environment-

Living or once-living factors of an environment-

A part of an organism's habitat which keeps the population from growing past a certain point

The amount of a certain organism a habitat and its resources can support-