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LIVING THINGS AND THE ENVIRONMENT

By Ellen Dugan 08 Jan 23:08
15 slides
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Suppose there were a group of prairie dogs living on the Nebraska plains. You watch them burrow into the into the ground to avoid a circling hawk.
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ECOSYSTEMWRITE THIS DOWN:
AN ECOSYSTEM IS ALL THE LIVING AND NONLIVING THINGS THAT INTERACT IN A PARTICULAR AREA.
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A prairie dog can obtain food, water, shelter, and other things that it needs to live, grow and reproduces from its surroundings.
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HABITATWRITE THIS DOWN:
A habitat is the place where an organism obtains food, water, shelter, and other things it needs to live, grow, and reproduce.
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LET'S WATCH THIS VIDEO AND SEE WHAT YOU REMEMBER.
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THE DIFFERENCE BETWEEN ABIOTIC AND BIOTIC FACTORS
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BIOTIC FACTORSWRITE THIS DOWN:

BIOTIC FACTORS - THE LIVING PARTS OF AN ECOSYSTEM

REMEMBER THAT BIO means LIFE

Biography - writings about someone's life; Biology - the study of life
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ABIOTIC FACTORS
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ABIOTIC FACTORSWRITE THIS DOWN:

Abiotic factors are the nonliving parts of an ecosystem.

In some cases the prefix "a" means "not" such as:
apolitical means "not political"
abiotic means "not living"
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POPULATIONS
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POPULATIONWRITE THIS DOWN:

ALL THE MEMBERS OF ONE SPECIES IN A PARTICULAR AREA ARE REFERRED TO AS A POPULATION.

You don't have to write this: All the prairie dogs on those Nebraska plains are a population. All the daisies in a field are a population. However, all the trees in a forest are NOT a population unless they are the same species (such as oak trees).
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COMMUNITY
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COMMUNITYWRITE THIS DOWN:
A COMMUNITY IS ALL THE DIFFERENT POPULATIONS THAT LIVE TOGETHER IN AN AREA.

You don't have to write this: For example, in a prairie the community could be all the prairie dogs, the hawks, the grass, the snakes, ferrets, and owls.
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Levels of Organization in an EcosystemThe smallest unit of organization is a single organism, then a population, then a community, and finally the ecosystem which includes abiotic factors such as sunlight, water, and soil.
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ECOLOGYWRITE THIS DOWN:
ECOLOGY - THE STUDY OF HOW LIVING THINGS INTERACT WITH EACH OTHER AND THEIR ENVIRONMENT

Slides in LIVING THINGS AND THE ENVIRONMENT

Suppose there were a group of prairie dogs living on the Nebraska plains. You watch them burrow into the into the ground to avoid a circling hawk. What is the name of all the living things (hawk, prairie dogs, grass) and nonliving things (soil, sunlight) that interact in a particular area called?
WRITE THIS DOWN: AN ECOSYSTEM IS ALL THE LIVING AND NONLIVING THINGS THAT INTERACT IN A PARTICULAR AREA.
WRITE THIS DOWN: A habitat is the place where an organism obtains food, water, shelter, and other things it needs to live, grow, and reproduce.
WRITE THIS DOWN: BIOTIC FACTORS - THE LIVING PARTS OF AN ECOSYSTEM REMEMBER THAT BIO means LIFE Biography - writings about someone's life; Biology - the study of life
WRITE THIS DOWN: Abiotic factors are the nonliving parts of an ecosystem. In some cases the prefix "a" means "not" such as: apolitical means "not political" abiotic means "not living"
WRITE THIS DOWN: ALL THE MEMBERS OF ONE SPECIES IN A PARTICULAR AREA ARE REFERRED TO AS A POPULATION. You don't have to write this: All the prairie dogs on those Nebraska plains are a population. All the daisies in a field are a population. However, all the trees in a forest are NOT a population unless they are the same species (such as oak trees).
WRITE THIS DOWN: A COMMUNITY IS ALL THE DIFFERENT POPULATIONS THAT LIVE TOGETHER IN AN AREA. You don't have to write this: For example, in a prairie the community could be all the prairie dogs, the hawks, the grass, the snakes, ferrets, and owls.
WRITE THIS DOWN: ECOLOGY - THE STUDY OF HOW LIVING THINGS INTERACT WITH EACH OTHER AND THEIR ENVIRONMENT
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