biology 2nd quarter final

Front

What occurs when two organisms are trying to acquire the same resources?

Back

Competition

Front

What would most likely happen if all the producers in an ecosystem were removed?

Back

All the animals would either die or move away.

Front

What happens to energy as you move up an energy pyramid?

Back

Energy decreases.

Front

What is the relationship called when one organism benefits at the expense of another, such as tapeworms in the human intestine?

Back

Parasitism

Front

In a food web, which of the following is a primary consumer: butterfly, snake, fox, or frog?

Back

Butterfly.

Front

What is symbiosis?

Back

A close and long-term interaction between two different species.

Front

Define mutualism.

Back

A type of symbiosis where both organisms benefit from the relationship.

Front

What is commensalism?

Back

A type of symbiosis where one organism benefits and the other is neither helped nor harmed.

Front

What is a producer in an ecosystem?

Back

An organism that can make its own food, typically through photosynthesis.

Front

What is a primary consumer?

Back

An organism that eats producers; typically herbivores.