2. Earth’s HistoryEarth’s History
Earth is about 4.5 Billion years old.Earth is about 4.5 Billion years old.
Determined the earth’s age by usingDetermined the earth’s age by using
radioactive dating.radioactive dating.
3. First LifeFirst Life
Lighting help fused pieces togetherLighting help fused pieces together
to form the first cell, which was?to form the first cell, which was?
Prokaryotic and heterotrophic.Prokaryotic and heterotrophic.
4. EcologyEcology
What is Ecology?What is Ecology?
EcologyEcology – is the study of– is the study of
interactions between biotic (living)interactions between biotic (living)
and abiotic (nonliving) factors in anand abiotic (nonliving) factors in an
environment.environment.
5. What is the EnvironmentWhat is the Environment
Environment – isEnvironment – is
everything aroundeverything around
us (biotic/abiotic).us (biotic/abiotic).
““The environmentThe environment
is everything thatis everything that
isn’t me.”isn’t me.”
Albert EinsteinAlbert Einstein
8. Levels of OrganizationLevels of Organization
Going to use a stream for an exampleGoing to use a stream for an example
9. Ecology VocabularyEcology Vocabulary
1.1. OrganismOrganism – an individual living– an individual living
thing.thing. (animal, plant, fungi)(animal, plant, fungi)
10.
11. Ecology VocEcology Voc
2.2. PopulationPopulation – all of the members– all of the members
of a species that live in one place atof a species that live in one place at
one time.one time.
12. Ecology VocEcology Voc
3.3. CommunityCommunity – all of the living– all of the living
organisms in an area.organisms in an area.
13.
14.
15. Levels of OrganizationLevels of Organization
2. Ecosystems2. Ecosystems – an area that– an area that
includes all of the organisms andincludes all of the organisms and
nonliving factors found in a particularnonliving factors found in a particular
placeplace
• Ex. Stream EcosystemEx. Stream Ecosystem
LivingLiving – fish, algae, turtles, bacteria,– fish, algae, turtles, bacteria,
insects, aquatic plantsinsects, aquatic plants
NonlivingNonliving – chemicals, pH, amount of– chemicals, pH, amount of
sunlightsunlight
