Ecology introduction

1

What is Ecology?What is

Ecology?

copyright cmassengale

2

Organisms and Their Environme

nt

Organisms and Their Environme

nt


3

What is Ecology??What is Ecology??What is Ecology??What is Ecology??

•The The study of interactionsstudy of interactions that take place that take place between between organisms and their organisms and their environmentenvironment..

• It It explainsexplains how living how living organisms organisms affectaffect each other each other and the world they live in.and the world they live in.

•The The study of interactionsstudy of interactions that take place that take place between between organisms and their organisms and their environmentenvironment..

• It It explainsexplains how living how living organisms organisms affectaffect each other each other and the world they live in.and the world they live in.


4

Habitat & NicheHabitat & NicheHabitat & NicheHabitat & Niche•HabitatHabitat is the is the place a plant place a plant or animal livesor animal lives

•NicheNiche is an is an organism’s organism’s total way of total way of lifelife

•HabitatHabitat is the is the place a plant place a plant or animal livesor animal lives

•NicheNiche is an is an organism’s organism’s total way of total way of lifelife


5

The Nonliving The Nonliving EnvironmentEnvironmentThe Nonliving The Nonliving EnvironmentEnvironment

• Abiotic factorsAbiotic factors- the - the nonliving parts of an nonliving parts of an organism’s organism’s environment.environment.

• Examples Examples include air include air currents, temperature, currents, temperature, moisture, light, and soil.moisture, light, and soil.

• Abiotic factors Abiotic factors affect an affect an organism’s life.organism’s life.

• Abiotic factorsAbiotic factors- the - the nonliving parts of an nonliving parts of an organism’s organism’s environment.environment.

• Examples Examples include air include air currents, temperature, currents, temperature, moisture, light, and soil.moisture, light, and soil.

• Abiotic factors Abiotic factors affect an affect an organism’s life.organism’s life.


http://upload.wikimedia.org/wikipedia/en/6/69/Lightning_in_Arlington.jpg

6

The Living EnvironmentThe Living EnvironmentThe Living EnvironmentThe Living Environment

•Biotic factorsBiotic factors- all the - all the living organisms that living organisms that inhabit an inhabit an environment.environment.

•All All organisms depend organisms depend on others directly or on others directly or indirectlyindirectly for food, for food, shelter, reproduction, shelter, reproduction, or protection.or protection.

•Biotic factorsBiotic factors- all the - all the living organisms that living organisms that inhabit an inhabit an environment.environment.

•All All organisms depend organisms depend on others directly or on others directly or indirectlyindirectly for food, for food, shelter, reproduction, shelter, reproduction, or protection.or protection.


7

Abiotic or Biotic?Abiotic or Biotic?Abiotic or Biotic?Abiotic or Biotic?

BioticBioticcopyright cmassengale

8


AbioticAbioticcopyright cmassengale

9


AbioticAbioticcopyright cmassengale

10


BioticBioticcopyright cmassengale

11

Levels of Organization

Levels of Organization


12

What are the Simplest Levels?

What are the Simplest Levels?

•AtomAtom•MoleculeMolecule•OrganelleOrganelle•CellCell•TissueTissue•OrganOrgan•SystemSystem

•AtomAtom•MoleculeMolecule•OrganelleOrganelle•CellCell•TissueTissue•OrganOrgan•SystemSystem


13

Levels of OrganizationLevels of OrganizationLevels of OrganizationLevels of Organization• EcologistsEcologists have organized have organized

the interactions an organism the interactions an organism takes part in into takes part in into different different levels according to levels according to complexitycomplexity..

• EcologistsEcologists have organized have organized the interactions an organism the interactions an organism takes part in into takes part in into different different levels according to levels according to complexitycomplexity..


14

11stst Level of Organization Level of Organization11stst Level of Organization Level of Organization•Organism:Organism:

An individual An individual living thing that living thing that is made of is made of cells, cells, uses energy, uses energy, reproduces, reproduces, responds, responds, grows, and grows, and developsdevelops

•Organism:Organism:An individual An individual living thing that living thing that is made of is made of cells, cells, uses energy, uses energy, reproduces, reproduces, responds, responds, grows, and grows, and developsdevelops


15

22ndnd Level of Organization Level of Organization22ndnd Level of Organization Level of Organization•Population:Population:

A group of A group of organisms, all organisms, all of the of the same same speciesspecies, , which which interbreedinterbreed and live in the and live in the same place at same place at the same the same timetime..

•Population:Population:A group of A group of organisms, all organisms, all of the of the same same speciesspecies, , which which interbreedinterbreed and live in the and live in the same place at same place at the same the same timetime.. copyright cmassengale

16

33rdrd Level of Organization Level of Organization33rdrd Level of Organization Level of Organization•Biological Biological

Community:Community:All the All the populations populations of different of different speciesspecies that that live in the live in the same place at same place at the same the same time.time.

•Biological Biological Community:Community:All the All the populations populations of different of different speciesspecies that that live in the live in the same place at same place at the same the same time.time.


17

44thth Level of Organization Level of Organization44thth Level of Organization Level of Organization•Ecosystem:Ecosystem:

Populations of Populations of plants and animals plants and animals that interact with that interact with each other in a each other in a given area given area andand with with the abiotic the abiotic components of that components of that area. area. (terrestrial (terrestrial or aquatic)or aquatic)

•Ecosystem:Ecosystem: Populations of Populations of plants and animals plants and animals that interact with that interact with each other in a each other in a given area given area andand with with the abiotic the abiotic components of that components of that area. area. (terrestrial (terrestrial or aquatic)or aquatic)


18

55thth Level of Organization Level of Organization55thth Level of Organization Level of Organization

•Biosphere:Biosphere:The The portion of portion of Earth that Earth that supports supports life.life.

•Biosphere:Biosphere:The The portion of portion of Earth that Earth that supports supports life.life.


19

The BiosphereThe BiosphereThe BiosphereThe Biosphere

• Life is found in air, on Life is found in air, on land, and in fresh and land, and in fresh and salt water.salt water.

• The The BIOSPHERE BIOSPHERE is the is the portion of Earth that portion of Earth that supports living things.supports living things.

• Life is found in air, on Life is found in air, on land, and in fresh and land, and in fresh and salt water.salt water.

• The The BIOSPHERE BIOSPHERE is the is the portion of Earth that portion of Earth that supports living things.supports living things.


20

What level of What level of organization?organization?What level of What level of organization?organization?

OrganismOrganism


21

What level of What level of Organization?Organization?What level of What level of Organization?Organization?

CommunityCommunitycopyright cmassengale

22

What level of What level of Organization?Organization?What level of What level of Organization?Organization?

PopulationPopulationcopyright cmassengale

23copyright cmassengale

Ecology introduction

Education

Transcript of Ecology introduction