Front

What is the primary source of energy for the food web in a marine ecosystem?

Back

Phytoplankton

Front

What type of symbiotic relationship occurs when cattle egrets feed on insects stirred up by cattle without harming them?

Back

Commensalism

Front

What type of symbiotic relationship is exemplified by a bird building a nest in a tree?

Back

Commensalism

Front

What symbols best describe parasitism?

Back

+,-

Front

What is the main function of producers in an ecosystem?

Back

To convert sunlight into chemical energy

Front

Define an ecosystem.

Back

A community of living organisms and their interactions with their environment.

Front

What are consumers in an ecosystem?

Back

Organisms that obtain energy by consuming other organisms.

Front

What role do decomposers play in an ecosystem?

Back

They break down dead organic material, recycling nutrients back into the ecosystem.

Front

What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of organisms, while a food web is a complex network of interconnected food chains.

Front

What is the significance of biodiversity in an ecosystem?

Back

Biodiversity enhances ecosystem resilience and stability.