POB PNW Review

Front

What is an abiotic factor?

Back

An abiotic factor is a nonliving component of an ecosystem, such as sunlight, temperature, water, and minerals.

Front

What is a biotic factor?

Back

A biotic factor is a living component of an ecosystem, including plants, animals, fungi, and microorganisms.

Front

Define biodiversity.

Back

Biodiversity refers to the variety of life in the world or in a particular habitat or ecosystem.

Front

What are the main types of factors in an ecosystem?

Back

The main types of factors in an ecosystem are biotic (living) and abiotic (nonliving) factors.

Front

What is carrying capacity?

Back

Carrying capacity is the maximum number of individuals of a particular species that an environment can support sustainably.

Front

What is the impact of sea otters on kelp forests?

Back

Sea otters help control sea urchin populations, which in turn allows kelp forests to thrive.

Front

What happens when a predator is introduced to an ecosystem?

Back

The introduction of a predator can lead to a decrease in the population of its prey, which can affect the entire food web.

Front

What is the role of orcas in the ecosystem?

Back

Orcas are apex predators that can influence the populations of other marine species, such as sea otters.

Front

How do human activities affect biodiversity?

Back

Human activities, such as habitat destruction, pollution, and overfishing, can lead to a decline in biodiversity.

Front

What is the relationship between sea otters and sea urchins?

Back

Sea otters prey on sea urchins, helping to maintain the balance of the ecosystem.