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WorksheetsSymbiosis Review
Total questions: 12
Worksheet time: 11mins
A close relationship between different species of organisms is known as:
co-habitation
symbiosis
animal friends
interactive species
It is a _______________ relationship when one organism is helped and one organism is not helped and not harmed.
parasitism
mutualism
commensalism
friendship
It is a _______________ relationship when one organism is helped and the other organism is also helped. (both benefit)
parasitism
mutualism
commensalism
friendship
It is a _______________ relationship when one organism is helped and the other organism is harmed or hurt.
parasitism
mutualism
commensalism
friendship
Barnacles will latch on to large whales in the ocean. The barnacles get a free ride, a home, and are able to get food while attached to the whale. The whale is neither helped nor harmed. The relationship between the whale and the barnacle is an example of:
parasitism
mutualism
commensalism
predation
A drought causes a large amount of sunflowers to die. Sunflowers and butterflies have a mutually beneficial relationship. The butterfly population will now:
increase
decrease
be unchanged
A new type of fish invade a lake habitat in a forrest, and mountain lion has a new food source to eat. Mountain lions and rabbits have a predatory relationship. The local rabbit population will now:
increase
decrease
no change
Some thick vines are cut down in a forest, exposing the forest floor to more sunlight; thick vines and clover have a competitive relationship. The clover population will
increase
decrease
be unchanged
In a typical ecosystem food chain, cats will eat small lizards or rats and those lizards will eat insects and those insects will eat plants....and or course we know the plants get energy from the sun!
What would be an example of a predator-prey relationship in this food chain?
sun and rat
rat and plant
cat and lizard
rat and lizard
In a typical ecosystem food chain, cats will eat small lizards or rats and those lizards will eat insects and those insects will eat plants....and or course we know the plants get energy from the sun!
What would happen if all of the lizards died?
Nothing. They wouldn't affect this food chain.
The insect population may increase.
Plants would decrease.
Cats would have nothing to eat.
True or False: The change in population of an animal will most likely affect other animals in the same food web.
True
False
What is a predator and prey relationship?
It is where both animals help each other.
It is where an animal eats large plants.
It is where one animal hunts another animal to eat it for energy.
It is where one animal helps another animal and the other animal is not helped or harmed.
