Pre-AP Bio Unit 1: Ecology

Front

What is a keystone ecosystem engineer?

Back

A keystone ecosystem engineer is a species that creates, modifies, or maintains the landscape around them, such as beavers.

Front

How is the flow of energy in a food web represented?

Back

The flow of energy in a food web is represented by arrows.

Front

Which element is found in all organic compounds?

Back

Carbon.

Front

What process contributes carbon dioxide to the atmosphere?

Back

Respiration.

Front

What is transpiration in plants?

Back

Transpiration is the process by which plants give off water vapor as a waste product.

Front

Define a food web.

Back

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

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 nutrients and energy pass, while a food web is a more complex network of interconnected food chains.

Front

What role do producers play in an ecosystem?

Back

Producers, such as plants, convert sunlight into energy through photosynthesis, forming the base of the food web.

Front

What is the significance of biodiversity in an ecosystem?

Back

Biodiversity contributes to ecosystem resilience, stability, and productivity.

Front

Explain the concept of an ecological niche.

Back

An ecological niche is the role and position a species has in its environment, including all interactions with biotic and abiotic factors.