Transcript Everything is connected!

Studying the Web of Life.
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Any nonliving thing is an abiotic factor. Write
at least 4 examples
1. oxygen
2. carbon dioxide
3. sunlight, temperature
4. wind
5. water
6. sand
7. rocks
8. soil
A biotic factor is any living component that
affects another organism, including animals
that consume the organism in question, and
the living food that the organism consumes.
Each biotic factor needs energy to do work
and food for proper growth. Biotic factors
include human influence.
Biotic components usually include:
Producers
Consumers
Decomposers
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Abiotic and biotic components influence each
other. For instance, temperature (abiotic factor)
can make plants (biotic factor) reproduce more or
reproduce less. Also water, an abiotic factor, has
an effect on how animals, a biotic factor, survive
in certain areas of the world. In Africa, for
instance, the migratory patterns of most
herbivores are based where water is the most
plentiful. When the dry season comes, the
animals must move to where the food and water
are most abundant.
1.Organism
2.Population
3.Community
4.Ecosystem
5.Biosphere
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In individual is a single organism.
A population is a group of individuals of the
same species in the same area. For example,
all the alligators in the same river make a
population. The whole population uses the
same area for food and shelter.
A community is made up of all the different
populations that live and interact in the same
area. The different populations in a
community depend on each other. For
example, alligators eat other animals, including
fish .Alligators create water-filled holes
where fish and other organisms in the river
can live during dry seasons.
.
An ecosystem is made up of a community
and its abiotic environment. The abiotic
elements provide resources for all the
organisms and energy for some.
A river, for example, can provide water for river
plants and many animals, and shelter for
water insects. It can provide nutrients for
plants, as well as food for fish and alligators.
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The biosphere is the part of Earth where life
exists. The biosphere is the largest
environmental level. It reaches from the
bottom of the ocean and the Earth’s crust to
high in the sky.
Can you identify the following:
Organism,
populations,
community
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Section Quiz. Match the correct term to
the definition
1. a group of organisms of the same a. abiotic
species living in the same area
b. Community
2. the nonliving part of the
environment
c. Ecosystem
3. all the populations of species that
live and interact in the same habitat d. Population
4. the part of Earth where life exists
e. Biosphere
5. a community of organisms and
their abiotic environment
f. Biotic
6. the living parts of the
environment
Write the letter of the correct answer.
7. What word describes the mammals, fish,
birds, and plants that live in an environment?
a. abiotic
c. the biosphere
b. the population d .biotic
8. A community is several species of animals
interacting, while a population is
a. members of one species in an area.
b. the biotic and abiotic elements of an area.
c. the nonliving elements of a habitat.
d. a single organism.
9. The five levels of organization in the
environment, from first to fifth level are
a. organism, population, biosphere,
ecosystem, community.
b. organism, population, biotic elements,
abiotic elements, community.
c. organism, population, community,
ecosystem, biosphere.
d. organism, population, biosphere, abiotic
elements, ecology.
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10. Which of the following is abiotic?
a. gar
c. grass
b. an alligator d. water
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