Exam Review

Front

What happens to an organism that can't adapt fast enough?

Back

It may become extinct.

Front

What can happen to a species over time if some organisms have an advantage?

Back

The population will slowly increase.

Front

How does competition affect species diversity?

Back

It reduces species diversity.

Front

What gas is released into the atmosphere during photosynthesis?

Back

Oxygen.

Front

If there are 1000 Kcal available in producers at trophic level 1, how much energy is available in herbivores at trophic level 2?

Back

100 Kcal.

Front

Define extinction.

Back

The end of an organism or a group of organisms, resulting in no living members.

Front

What is the role of producers in an ecosystem?

Back

Producers convert sunlight into energy through photosynthesis, forming the base of the food chain.

Front

Explain the concept of natural selection.

Back

Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is the significance of biodiversity in an ecosystem?

Back

Biodiversity enhances ecosystem productivity and stability, providing resilience against environmental changes.

Front

Define competition in ecological terms.

Back

Competition occurs when organisms vie for the same resources in an ecosystem, such as food, space, or mates.