Environmental Science Sem 1 Final Exam Study Guide

Front

What is Earth Overshoot Day?

Back

It indicates the day when humanity's demand exceeds Earth's capacity to regenerate.

Front

What role do deer play in a forest ecosystem?

Back

They are primary consumers.

Front

How does competition for resources affect species niches in an ecosystem?

Back

Competition can lead to niche differentiation, allowing species to coexist.

Front

What is a secondary consumer?

Back

An organism that feeds on primary consumers.

Front

What is an ecological niche?

Back

The specific role and position a species has in its environment.

Front

What is the significance of biodiversity in an ecosystem?

Back

Biodiversity enhances ecosystem resilience and stability.

Front

Define primary producers in an ecosystem.

Back

Organisms that produce their own food, typically through photosynthesis.

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 role of decomposers in an ecosystem?

Back

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

Front

Explain the concept of carrying capacity.

Back

The maximum population size that an environment can sustain indefinitely.