4th CFA Review

Front

What is a food pyramid?

Back

A food pyramid is a graphical representation that shows the relative amount of energy available at each trophic level in an ecosystem.

Front

What is the source of all energy in a food chain or food web?

Back

The Sun is the primary source of energy for all food chains and food webs.

Front

What is a food chain?

Back

A food chain is a linear sequence that shows how energy and nutrients flow from one organism to another in an ecosystem.

Front

Which biome has the most biodiversity?

Back

The tropical rainforest has the most biodiversity, containing the highest variety of different organisms.

Front

What biomes experience both dry and wet seasons?

Back

Grasslands are biomes that typically have both a dry season and a wet season.

Front

What are trophic levels?

Back

Trophic levels are the different stages in a food chain, representing the flow of energy from producers to various levels of consumers.

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms interacting with their physical environment.

Front

Define abiotic factors.

Back

Abiotic factors are the non-living components of an ecosystem, such as sunlight, water, and soil.

Front

What is the role of producers in a food chain?

Back

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

Front

What are consumers in an ecosystem?

Back

Consumers are organisms that obtain energy by eating other organisms; they can be herbivores, carnivores, or omnivores.