Transcript An interaction in which one organism kills and eats

Living
Living
Things &
Things
The
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Populations Populations Interactions
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Interactions
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Final Jeopardy
The biotic factor found in a
prairie ecosystem below
What is grass?
Three important needs in an
organism’s habitat
What are food, water, and
shelter?
Nonliving parts of an ecosystem
What are abiotic factors?
The place where an organism
lives and provides the things an
organism needs
What is a habitat?
The smallest unit of ecological
organization
What is an organism?
The study of how organisms
interact with each other and with
their environment
What is ecology?
Two needs of a plant for survival
What are water, sunshine, and
space?
How water and sunshine help a
plant stay alive
What is so the plant can make
its own food?
A group of organisms that are
physically similar and can
reproduce with one another to
produce fertile offspring
What is a species?
The role of earthworms in an
ecosystem
What is adding nutrients by
decomposing matter?
An example of a population
What are gray wolves?
Definition of population density
What is the number of
individuals of a population in a
specific area?
Counting the number of
organisms in a small area and
multiplying to estimate the
number in a larger area
What is sampling?
The major way new individuals
are added to a population
What is the birth of offspring?
An environmental factor that
prevents a population from
increasing
What is a limiting factor?
The largest population that a
population can support
What is carrying capacity?
An early winter frost preventing
further growth in a tomato
garden
What is a limiting factor?
If deer hunting were banned in
Michigan, the population of deer
would probably …
What is increase at first and then
level off?
Leaving a population
What is emigration?
Two possible reasons for a
population to decrease
What are over-hunting, disease,
lack of food, extreme weather
conditions, and emigration?
An organism’s particular role, or
how it makes its living
What is a niche?
Behaviors and physical
characteristics of species that
allow them to survive in their
environment
What are adaptations?
By hunting at different times of
day, the hawk and owl are able to
reduce …
What is competition?
An interaction in which one
organism kills and eats another
What is predation?
An example of a predator
adaptation
What is a shark’s powerful jaws?
A jellyfish paralyzes a tiny
fish with its poisonous
tentacles, the fish is the …
What is the prey?
A close relationship between two
species that benefits at least one
of the species
What is symbiosis?
A flea living on a dog, the dog is
the …
What is the host?
Mutualism, commensalism, and
parasitism are types of …
What are symbiotic
relationships?
Escherichia coli that live in your
intestine and help break down
food are an example of …
What is mutualism?
Description of two common
relationships among
organisms and an example of
each.
Two common relationships among organisms
are:
1. Mutualism-a relationship in which both
species benefit from each other. Ex. E coli
/humans
2. Commensalism-a relationship in which one
species benefits and the other is neither
helped or harmed. Ex. Robin/maple tree
3. Parasitism-a relationship in which one
species benefits and the other is harmed. Ex.
Dog/flea
4. Predation-a relationship in which one
organism kills and eats the other. Ex.
Lion/zebra