Unit 9: Energy Flow in Ecosystems Practice Flashcard

Front

What is a carnivore?

Back

A carnivore is an organism that primarily eats meat or the flesh of other animals.

Front

What are the levels of biological organization from least to most complex?

Back

The levels of biological organization from least to most complex are: Individual, Population, Community, Ecosystem, Biome, Biosphere.

Front

How many consumers are typically herbivores in a food web?

Back

Herbivores are primary consumers that eat plants; the number can vary based on the ecosystem.

Front

What is a secondary consumer?

Back

A secondary consumer is an organism that eats primary consumers; they are typically carnivores.

Front

What percentage of energy moves up each level of the energy pyramid?

Back

Approximately 10% of energy moves up each level of the energy pyramid.

Front

What is an omnivore?

Back

An omnivore is an organism that eats both plants and animals.

Front

Define a primary producer.

Back

A primary producer is an organism that can produce its own food through photosynthesis or chemosynthesis, such as plants.

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.

Front

What is a decomposer?

Back

A decomposer is an organism that breaks down dead organic material, returning nutrients to the soil.