2 Ecology

Front

What is an ecosystem?

Back

An ecosystem is all of the biotic (living) and abiotic (non-living) factors in a given area.

Front

What role do bacteria play in the nitrogen cycle?

Back

Bacteria in the soil convert nitrogen from the atmosphere into nitrates and nitrites, which can be used by plants.

Front

What is a density-independent limiting factor?

Back

A density-independent limiting factor is a factor that affects a population regardless of its density, such as an unusually cold winter.

Front

What are herbivores classified as in an ecosystem?

Back

Herbivores are classified as primary consumers.

Front

What is a competitive relationship in ecology?

Back

A competitive relationship occurs when two or more organisms fight for the same resource.

Front

Define biotic factors in an ecosystem.

Back

Biotic factors are the living components of an ecosystem, such as plants, animals, and microorganisms.

Front

Define abiotic factors in an ecosystem.

Back

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

Front

What is the role of producers in an ecosystem?

Back

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

Front

What is the difference between primary and secondary consumers?

Back

Primary consumers eat producers (plants), while secondary consumers eat primary consumers (herbivores).

Front

What is a symbiotic relationship?

Back

A symbiotic relationship is a close interaction between two different species, which can be beneficial, neutral, or harmful.