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IB Biology Notes

Ib bio notes sl topic 4

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Muffin Cherry
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96 views1 page

IB Biology Notes

Ib bio notes sl topic 4

Uploaded by

Muffin Cherry
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Ecology

ECOlOgy : the study of .


environment
the relationships between organisms and their

theyTerms
Biodiversity variety of: life
Communities : species that occupy a particular
L) works on 3 levels that area b the interactions between them
.

communities that
work
together to create
Ecosystems :
Biological are

complex life together with their associated .


environment

Species : most basic unit of biological


1 .

Ecosystem Diversity classification -

organisms with the ability to


of habitats communities
variety inter breed I reproduce
·

3)
ecological processes
Population : A group
of a species in an

Genetic
2 .

Diversity environment
of
diversity genetic characteristics
·

(expressed or recessive) within a

species

. Species
3 Diversity Species have either an
the number a relative abundance of species autotrophic or heterotrophic
found in a
given biological organization
. method of nutrition
.

Autotroph organisms : that produce


their food from
own
organic molecules

Heterotroph : organisms which derive


energy from other living organisms

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