Ecology review

Front

What is a tertiary consumer in a food chain?

Back

A tertiary consumer is an organism that eats secondary consumers and is typically at the top of the food chain, such as a fox.

Front

What do the arrows in a food chain or web represent?

Back

The arrows indicate the direction of energy flow between organisms.

Front

Define abiotic factors in an ecosystem.

Back

Abiotic factors are non-living chemical and physical parts of the environment that affect living organisms, such as sunlight, temperature, and water.

Front

Define biotic factors in an ecosystem.

Back

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

Front

What is a food web?

Back

A food web is a complex network of feeding relationships among various organisms in an ecosystem.

Front

How can an organism be classified into more than one trophic level?

Back

An organism can be classified into more than one trophic level if it occupies different roles in the food web, such as being both a predator and prey.

Front

What is the role of producers in an ecosystem?

Back

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

Front

What is the significance of decomposers in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the soil and supporting new plant growth.

Front

What is the impact of a decrease in grass on the rabbit population?

Back

A decrease in grass, which is a primary food source for rabbits, can lead to a decline in the rabbit population due to lack of food.

Front

What is a primary consumer?

Back

A primary consumer is an organism that eats producers, such as herbivores like rabbits.