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Introduction to Ecology

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Questions and Answers

What is Ecology?

Ecology is the study of interactions of organisms with other organisms and with their environment.

What are abiotic factors?

Abiotic factors are the non-living factors (soil, water, weather, etc.) that affect an organism.

What is a habitat?

A habitat is where the organisms live and interact.

What is a community?

A community consists of many different species inhabiting a habitat. Signup and view all the answers

What is biodiversity?

Biodiversity is the variety of species living within a community. Signup and view all the answers

What is a niche?

A niche is the role a species plays in a community. Signup and view all the answers

What does a niche consist of? (Choose all that apply.)

An organism Signup and view all the answers

Why should we study ecology?

We study ecology to understand how to manage our environmental support system and to solve or prevent environmental problems. Signup and view all the answers

What are the five levels of organization in ecology? (Choose all that apply.)

Population Signup and view all the answers

What is an organism?

An organism is an individual living thing. Signup and view all the answers

What is a population?

A population is a group of members of one species that live in an area. Signup and view all the answers

What is an ecosystem?

An ecosystem is a group of all living (biotic) and non-living (abiotic) factors in an area. Signup and view all the answers

What is a biosphere?

The biosphere is the thin volume of Earth and its atmosphere that supports life. Signup and view all the answers

Study Notes

Introduction to Ecology

Ecology is the study of interactions between organisms and their environment.
Abiotic factors are non-living components like soil, water, and weather that affect organisms.
Biotic factors are living components like animals and plants that affect organisms.
A habitat is where an organism lives and interacts.
A habitat can contain many species, forming a community.
Biodiversity is the variety of species in a community.
A niche is the role an organism plays in a community.
A niche includes the organism's habitat and its role.

Why Study Ecology?

Ecology helps determine the best practices to manage natural resources like watersheds, farmlands, and wetlands.
Ecological principles can provide solutions to environmental problems and help inform economic policies.

Levels of Organization

Organism: A single living thing.
Population: All members of one species in an area.
Community: All interacting species in an area.
Ecosystem/Biome: All living (biotic) and non-living (abiotic) factors in an area.
Biosphere: The thin volume of Earth and its atmosphere that supports life.

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Description

Explore the fundamental concepts of ecology, including the interactions between organisms and their environment. Learn about abiotic and biotic factors, habitats, biodiversity, and the importance of ecological principles in managing natural resources. Understand the various levels of organization in ecological studies.