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Howell Ecology
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The original source of energy for most organisms on Earth
The original source of energy for most organisms on Earth
Sun
Obtains its energy from eating animals only
Obtains its energy from eating animals only
carnivore
obtains its energy from eating plants only
obtains its energy from eating plants only
herbivore
obtains its energy from eating both plants and animals
obtains its energy from eating both plants and animals
omnivore
obtains its energy from eating dead organisms
obtains its energy from eating dead organisms
scavenger
increase in resources
increase in resources
increase
increase in predators
increase in predators
decrease
increase in disease
increase in disease
decrease
decrease in resources
decrease in resources
decrease
decrease in habitat
decrease in habitat
decrease
What happens to energy as it travels through a food chain?
What happens to energy as it travels through a food chain?
it decreases
Most of the energy in an organism is used for ____ _____.
Most of the energy in an organism is used for ____ _____.
daily activities
An organism that cannot make its own food is called a
An organism that cannot make its own food is called a
consumer/heterotroph
An organism that makes its own food is called a
An organism that makes its own food is called a
producer/autotroph
Bacteria break down dead organisms and return the nutrients to the earth. These are called
Bacteria break down dead organisms and return the nutrients to the earth. These are called
decomposers
Helps one, harms one
Helps one, harms one
parasitism
helps both organisms
helps both organisms
mutualism
helps neither organism -both could lose
helps neither organism -both could lose
competition
helps one, one unaffected
helps one, one unaffected
commensalism
Two organisms living closely together, benefits at least one
Two organisms living closely together, benefits at least one
symbiosis
tapeworm in a cat - tapeworm gets nutrients, cat loses nutrients
tapeworm in a cat - tapeworm gets nutrients, cat loses nutrients
parasitism
cattle egret birds following cows - egrets get to eat insects stirred up by walking cattle
cattle egret birds following cows - egrets get to eat insects stirred up by walking cattle
commensalism
squirrel nest in a tree - squirrel builds nest in tree, tree not affected
squirrel nest in a tree - squirrel builds nest in tree, tree not affected
commensalism
hummingbird and a flower - hummingbird gets nectar to eat, flower gets pollenated
hummingbird and a flower - hummingbird gets nectar to eat, flower gets pollenated
mutualism
barnacles attach to a whale - barnacles get a place to live, whale unaffected
barnacles attach to a whale - barnacles get a place to live, whale unaffected
commensalism
In malaria, the disease-causing protist lives inside a female mosquito as a carrier, but does not hurt her. The mosquito bites a human or animal, and the protozoan goes into and infects the person. It makes the person very sick. What types of symbiosis are happening? Name and explain each type.
In malaria, the disease-causing protist lives inside a female mosquito as a carrier, but does not hurt her. The mosquito bites a human or animal, and the protozoan goes into and infects the person. It makes the person very sick. What types of symbiosis are happening? Name and explain each type.
Commensalism - mosquito and protozoan; Parasitism - human and protozoan
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What Would You Like To Risk?
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Go To The Final Question
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