Unit 3 Review

Front

What is a 1st level consumer in a food chain?

Back

A 1st level consumer is an organism that eats producers (plants). In the food chain example 'grass -> rabbit -> fox', the rabbit is the 1st level consumer because it eats grass.

Front

What is commensalism?

Back

Commensalism is an interaction between two species where one benefits and the other is unaffected. For example, barnacles attaching to a whale.

Front

What does the Law of Conservation of Matter state?

Back

The Law of Conservation of Matter states that matter can change forms but cannot be created or destroyed.

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

What is a food web?

Back

A food web is a complex network of interconnected food chains in an ecosystem, showing how different organisms are related through feeding relationships.

Front

What is the carbon cycle?

Back

The carbon cycle is the process by which carbon is exchanged between the atmosphere, land, water, and living organisms, illustrating the movement of carbon through biotic and abiotic factors.

Front

What is a producer in an ecosystem?

Back

A producer is an organism that can make its own food, typically through photosynthesis, such as plants.

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 producers to various levels of consumers.

Front

What is predation?

Back

Predation is an interaction where one organism (the predator) hunts and eats another organism (the prey).

Front

What is mutualism?

Back

Mutualism is a symbiotic relationship where both species benefit from the interaction, such as bees pollinating flowers.