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LIVING THINGS AND THE ENVIRONMENT

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In this unit you will be able to: 4.3.7. Explain the complex, interactive relationships among members of an ecosystem. LIVING THINGS AND THE ENVIRONMENT Abiotic ... – PowerPoint PPT presentation

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Title: LIVING THINGS AND THE ENVIRONMENT


1
In this unit you will be able to
4.3.7. Explain the complex, interactive
relationships among members of an ecosystem.
2
LIVING THINGS AND THE ENVIRONMENT
3
Abiotic Biotic Factors
4
A prairie dog is one type of organism.
Each organism must live in a specific type of
environment.
An organism obtains food, water, shelter, and
things it needs to live, grow, and reproduce from
its environment.
An environment that provides the things the
organism needs to live, grow and reproduce is
called its habitat.
5
An organism interacts with both the living and
nonliving parts of its habitat.
The living parts of a habitat are called
____________.
biotic factors
bio(s), bio(t) (G) root life
include plants, animals, fungi, microorganisms
6
The nonliving parts of an organisms habitat are
called ____________.
abiotic factors
Abiotic factors include
-water
a, an prefix not, without
-sunlight
-oxygen
-temperature
-soil
7
Abiotic or Biotic?
Biotic
8
Abiotic or Biotic?
Abiotic
9
Abiotic or Biotic?
Abiotic
10
Abiotic or Biotic?
Biotic
11
ECOLOGICAL ORGANIZATION
Population (prairie dog town)
Organism (prairie dog)
Community (all the living things that interact on
the prairie)
Ecosystem (all the living and nonliving things
that interact on the prairie)
12
Populations Communities
13
Ecosystems
14
What level of organization?
Organism
15
What level of Organization?
Community
16
What level of Organization?
Population
17
Levels of Organization
smallest unit of living things
group of similar cells organized to work together
group of different kinds of tissues working
together
group of organs working together
one individual living thing
all organisms of the same kind living in one area
all interacting populations in an ecosystem
all living and nonliving things interacting
within a certain area
cell
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