TMS Science 7 Semester 2 Study Guide (Re-engagement) 2025

Front

What happens when resources in an ecosystem become limited?

Back

Populations compete for resources.

Front

What is a predatory relationship?

Back

A relationship where one organism hunts and eats another.

Front

Which terms are involved in the process of photosynthesis?

Back

Carbon dioxide, water, oxygen gas, glucose, sunlight (radiant energy).

Front

Define ecosystem services.

Back

Ecosystem services are the benefits that humans obtain from ecosystems, such as clean water, air, pollination, and nutrient cycling.

Front

What would happen to the ecosystem if the pigeon berry were removed?

Back

Some animals may lose a food source, affecting the food chain.

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms interacting with their physical environment.

Front

What is biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem.

Front

What is the role of producers in an ecosystem?

Back

Producers, like plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.

Front

What is a food chain?

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

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

Back

A food chain is a single pathway of energy flow, while a food web consists of multiple interconnected food chains.