Unit #1 Review B

Front

What is biodiversity?

Back

Biodiversity refers to the variety of all living organisms in the biosphere, including different species, genetic variations, and ecosystems.

Front

Which organisms have the most energy available in an energy pyramid?

Back

Producers have the most energy available in an energy pyramid, as they convert sunlight into energy through photosynthesis.

Front

What is succession in ecology?

Back

Succession is the process of replacement of one type of community by another at a single place over a period of time.

Front

What does an energy pyramid illustrate?

Back

An energy pyramid diagram shows the energy available to each trophic level in an ecosystem, indicating that only about 10% of energy is passed on to upper levels, while the rest is lost as heat.

Front

What is a pioneer species?

Back

A pioneer species is a species that colonizes an area where no other living organisms exist, initiating a cycle that allows other species to inhabit that area.

Front

Define a biome.

Back

A biome is a large geographical area characterized by specific climate conditions, plants, and animals.

Front

What is a niche in ecology?

Back

A niche refers to the role or function of an organism or species within an ecosystem, including its habitat, resource use, and interactions with other organisms.

Front

What is the difference between primary and secondary succession?

Back

Primary succession occurs in lifeless areas where soil has not yet formed, while secondary succession occurs in areas where a disturbance has destroyed an existing community but soil remains.

Front

What is mutualism?

Back

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

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, representing the flow of energy and nutrients from one level to the next.