Unit 2 Review - Life Science

Front

What is a community in an ecosystem?

Back

A community is made up of all the living organisms (plants, animals, and microorganisms) in a specific area, but it does not include non-living parts.

Front

What can limit a population's growth in an ecosystem?

Back

Competition for resources can limit a population's growth.

Front

What is a biotic factor?

Back

A biotic factor is a living component of an ecosystem that can affect the size of a population, such as a parasite.

Front

What is the difference between predators and prey?

Back

Prey are hunted for food, while predators capture and eat other animals to get energy.

Front

What is masting in oak trees?

Back

Masting is a phenomenon where certain oak trees produce and drop a large number of acorns every five years.

Front

How does masting affect animals that eat acorns?

Back

Masting can lead to an increase in the populations of animals like bears, deer, and squirrels due to the abundance of food.

Front

What are abiotic factors?

Back

Abiotic factors are the non-living parts of an ecosystem, such as climate, soil, and water availability.

Front

What role do predators play in an ecosystem?

Back

Predators help control the population of prey species, maintaining balance in the ecosystem.

Front

What is an example of a biotic interaction?

Back

An example of a biotic interaction is a parasite living on a host organism.

Front

How can disease affect a population?

Back

A new disease can decrease the population size by increasing mortality rates.