EcosystemEcosystem

An ecosystem is made of the groups of An ecosystem is made of the groups of living things and the non-living living things and the non-living

environment.environment.

Factors of an EcosystemFactors of an Ecosystem

An ecosystem includes living and non-living An ecosystem includes living and non-living things. These things are called things. These things are called biotic factors and biotic factors and abiotic factors.abiotic factors.

Biotic FactorsBiotic Factors

Biotic factors are all of the living things in Biotic factors are all of the living things in an ecosystem.an ecosystem.

Examples: Plants, Animals, BugsExamples: Plants, Animals, Bugs

Abiotic FactorsAbiotic Factors

Abiotic Factors are all of the non-living things in Abiotic Factors are all of the non-living things in an ecosystem.an ecosystem.

Examples: air, water, snow, rocks, temperature Examples: air, water, snow, rocks, temperature wind.wind.

EcologyEcology

Ecology is the study of how living things interact Ecology is the study of how living things interact in their environment.in their environment.

HabitatHabitat

All animals need a particular place to live All animals need a particular place to live based on their needs.based on their needs.

A A habitat habitat is the place an animal lives. A is the place an animal lives. A habitat is a home for animals.habitat is a home for animals.

The things animals need from their habitat is The things animals need from their habitat is food, water, shelter and space.food, water, shelter and space.

Polar bears needsea ice

A forest is a squirrelshabitat.

The duck depends onwater for a habitat.

Diversity In EcosystemsDiversity In Ecosystems

DiversityDiversity is the differences in the ways is the differences in the ways animals look, move, eat, the roles that animals look, move, eat, the roles that they play and adaptations they have to the they play and adaptations they have to the environmentenvironment..

What types of diversity do you see in the What types of diversity do you see in the above animals?above animals?

PopulationPopulation

Scientists label groups of animals in an Scientists label groups of animals in an ecosystem.ecosystem.

Animals of the same species in an ecosystem Animals of the same species in an ecosystem are called a are called a population.population.

A population of Zebras A population of Sea Lions

CommunityCommunity

A A CommunityCommunity is made up of all the is made up of all the populations that live in an ecosystem.populations that live in an ecosystem.

A community of African Animals. A community of coral reef fish.

Guess Population or CommunityGuess Population or Community

A pack of wolvesA pack of wolves A pride of LionsA pride of Lions All the bugs you would find under a rotting All the bugs you would find under a rotting

loglog Some geese, ducks and swans in a pondSome geese, ducks and swans in a pond Humans at a football gameHumans at a football game Humans at a dog show Humans at a dog show

NicheNiche

Animals develop their roles based on other Animals develop their roles based on other populations of animals and their environment. populations of animals and their environment.

A A nicheniche describes an organisms lifestyle. describes an organisms lifestyle. An animal’s niche fills an important role for An animal’s niche fills an important role for

keeping balance in the environment.keeping balance in the environment.

Lions keep the population of primary consumers down Scavengers clean up

the environment

Dung beetles clean up poop.

Zebras providefood for carnivores.

Name that NicheName that Niche

LionLion Dung BeetleDung Beetle DeerDeer BacteriaBacteria SquirrelSquirrel TermiteTermite

Guess what important job that animal does to fit in and keep balance in it’s habitat.

Important Questions to studyImportant Questions to study

Can you define the term diversity?Can you define the term diversity? Are you able to describe the difference between Are you able to describe the difference between

a population and a community of animals?a population and a community of animals? Are you able to define habitat and explain why it Are you able to define habitat and explain why it

is so important to animals?is so important to animals? Are you able to describe what the term niche Are you able to describe what the term niche

means and describe why it is important to and means and describe why it is important to and environment?environment?

Are you able to describe the main things animals Are you able to describe the main things animals will compete over?will compete over?