Flow of Energy in Ecosystems

Front

What is the primary source of energy for ecosystems?

Back

The primary source of energy for ecosystems is sunlight.

Front

What process do plants use to convert sunlight into chemical energy?

Back

Photosynthesis.

Front

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

Back

The arrows show the direction in which energy flows between organisms.

Front

What are producers in an ecosystem?

Back

Producers are organisms that can make their own food, such as plants like cacti and sagebrush.

Front

How does a decrease in the population of a primary consumer affect the food web?

Back

It can lead to a decrease in the population of secondary consumers that rely on them for food.

Front

What is a food web?

Back

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

Front

What role do decomposers play in an ecosystem?

Back

Decomposers break down dead organic matter, returning nutrients to the soil.

Front

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

Back

A food chain is a linear sequence of organisms through which energy flows, while a food web is a more complex network of interconnected food chains.

Front

What is the significance of photosynthesis in an ecosystem?

Back

Photosynthesis is crucial because it converts solar energy into chemical energy, providing food for plants and, indirectly, for all other organisms.

Front

What are herbivores?

Back

Herbivores are animals that primarily eat plants.