Consider the following food chain: Plants are eaten by grasshoppers, which are eaten by mice, which are eaten by snakes. What is likely to happen if a new organism that feeds off mice is introduced?
When the comb jelly, Mnemiopsis leidyi, was introduced into the Black Sea, its population exploded to 500 comb jellies per cubic yard in 1988. The jellies devoured all the zooplankton and fish larvae, drastically reducing the numbers of the native fish populations. This situation demonstrates _______.
Consider the following food chain: Plants are eaten by grasshoppers, which are eaten by mice, which are eaten by snakes. What will happen to snakes in the long term if mice become extinct?
The water hyacinth is an invasive species that can spread extremely fast, blanketing a water surface in a very short period of time. It can limit boat traffic, swimming, and fishing, and it can deprive native plants and animals of sunlight and oxygen, thus reducing the local biodiversity. This situation demonstrates _______.
A mutation that causes resistance in a population of beetles is an example of _______.
An increase in biodiversity generally causes _______.
Consider the following food chain: Plants are eaten by grasshoppers, which are eaten by mice, which are eaten by snakes. In the short term, what will happen to the other members of the food chain if the mice were removed?
An increase in the biodiversity of an ecosystem leads to an increase in its productivity.
What is a possible cause for a decrease in ecosystem productivity?
How can an increase in biodiversity lead to an increase in ecosystem stability?
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