Glencoe Biology Chapter 2 Exam

Front

What is a producer in an ecosystem?

Back

A producer is an autotroph, an organism that can produce its own food through photosynthesis or chemosynthesis.

Front

What is predation?

Back

Predation is the interaction where one organism pursues and consumes another organism for food.

Front

What is a food web?

Back

A food web is a complex network of interconnected food chains in an ecosystem.

Front

Which of the following is NOT a cycle: Water, Energy, Nitrogen, Phosphorus?

Back

Energy is NOT a cycle; it flows through an ecosystem but does not cycle.

Front

Which organism is the producer: Grasshopper, Grasses, Coyote, Hawk?

Back

Grasses are the producer in this scenario.

Front

Define autotroph.

Back

An autotroph is an organism that can produce its own food from inorganic substances.

Front

Define heterotroph.

Back

A heterotroph is an organism that cannot produce its own food and relies on consuming other organisms.

Front

What is symbiosis?

Back

Symbiosis is a close and long-term interaction between two different species.

Front

What is mutualism?

Back

Mutualism is a type of symbiosis where both species benefit from the interaction.

Front

What is commensalism?

Back

Commensalism is a type of symbiosis where one species benefits and the other is neither helped nor harmed.