Biotic and Abiotic Factors

1
Introducing
2
Eco
logy
Ecology
the study of the relationships between biotic and
abiotic factors in environments
eco (G) root home, abode
log, -o, y (G) suffix study of
ecoclimate
ecosystem
ecotourism
zoology
epidemiology
climatology
3
Ecosystem
includes all abiotic and biotic factors in one
particular environment
Biotic Factors
Abiotic Factors
the living parts of an ecosystem
the nonliving parts of an ecosystem
4
Biotic Factors
Bio
include plants, animals, fungi, microorganisms
bio(s), bio(t) (G) root life
biology
biostatistics
biography
biotechnology
biosphere
biomechanics
biotic
biofeedback
5
Examples of Biotic Factors
6
Abiotic Factors
A
include air, water, soil, temperature, wind,
source of energy (usually sun)
a, an (G) prefix not, without
atoxic
amoral
abiotic
amusia
7
Examples of Abiotic Factors
8
Examples of Ecosystems
Arizona Desert
Mountains in Colorado
Coral Reef in Belize
9
Ecosystems
do not necessarily have clear boundaries due to
biotic and abiotic changes
can change daily as things move from one
ecosystem to another
Biotic
Abiotic
migration, seed dispersal
flood, erosion, drought
10
Biotic Factors
interact with each other in complex ways
parasitism mutualism competition
such as
also interact with abiotic factors in the
ecosystem
dependent upon water, minerals, temperature, light
11
(No Transcript)
12
Biome
a major regional or global biotic community, a
super ecosystem, defined chiefly by the dominant
forms of plant life and the prevailing climate
13
Major Biomes of the World
desert
grassland
tropical rain forest
deciduous forest
coniferous forest
tundra
ocean
14
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
large region with typical plants and animals that
includes several ecosystems
cell
15
Bibliography
Arms. (1996). Environmental Science.
Orlando,Florida Holt, Rinehart and
Winston, Inc.
McLaren, James E, and Rotundo, Lisa (1985).
Heath Biology. D. C. Heath and Company.
The American Heritage Dictionary of the English
Language, Third Edition. (1992). Houghton
Mifflin Company.