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Transcript
Limiting Factors
• Integrated Science Guided Notes
• Powerpoint Slides
• Fill in the blanks as we discuss these
notes during class
Changes in a ________________ size are
determined by immigration, births,
emigration, and deaths.
The size of a population is always changing
• Four factors
affecting size
– immigration
– _________
– ___________
– deaths
Population growth is based on available
________
• ________________growth is a rapid
population increase due to an abundance of
resources.
____________________ is due to a population facing
limited resources
Logistic vs Exponential Growth
Funny
Bunnies
Carrying capacity is the _____________number of
individuals in a population that the environment can
support.
Predator Prey Relationship
The predators keep the prey
population under control and the size
of the population of prey _________
the amount of predators an
ecosystem can support.
Ecosystems Have Living and
Nonliving Components
Abiotic
– Water
– Air
– Nutrients
– Rocks
– Heat
– Solar energy
– pH
Biotic
– Living (or once
living)
– Interactions
• Competition
• Predator – prey
• Symbiosis
Major Biotic and Abiotic Components
of an Ecosystem
Predation
• Predators
–
–
–
–
Use pursuit
Ambush
____________
Chemical warfare (venom)
• Prey
–
–
–
–
Swift movement
Shell
Camouflage
_____________
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PREDATION
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Span worm
Wandering leaf insect
Poison dart frog
Viceroy butterfly mimics
monarch butterfly
Bombardier beetle
Hind wings of moth
resemble eyes of a
much larger animal
Foul-tasting monarch
butterfly
When touched, the
snake caterpillar
changes shape to look
like the head of a snake
Some ways prey species avoid their
prey
Giant swallowtail butterfly larva
(Papilio cresphontes).
Hawkmoth
caterpillar.
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