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WorksheetsEcological Relationships
Total questions: 20
Worksheet time: 9mins
Type of relationship: A wolf eating a rabbit.
Predator/prey
Parasite/host
Producer/consumer
Competitors
Type of relationship: cow eating grass.
Predator/prey
Parasite/host
Producer/consumer
Competitors
In a predator-prey relationship, when the population of the predator increases, the population of the prey will ____________.
Increase
Remain Stable
Decrease
Change unpredictably
A honeybee and flower relationship in which the flower provides nectar for the honey and the honey can help pollinate other flowers is an example of ________________.
Mutualism
Parasitism
Commensalism
Competition
An organism that obtains energy from consuming the bodies of other organisms is known as a:
Mutualist
Autotroph
Producer
Heterotroph
A relationship that describe a close interaction between two different species is known as what? (This is the broad "umbrella" term.)
Biodiversity
Symbiosis
Predation
Emigration
Which of the following symbol sets best represents parasitism?
+/+
+/-
+/0
-/-
Which of the following is true about competition?
Controls population size
Ensures everyone eats
Keeps everyone happy
Is only between 2 males
Wasps often lay their eggs just inside the eggs of butterflies. The wasp larva (baby wasps) are able to get lots of nutrients and protection from the butterfly/caterpillar egg while its developing. After the caterpillar is born, the wasps continue lurking in the flesh of the caterpillar, soaking up more nutrients and drinking its blood. The wasp larva must keep its host alive, so it avoids damaging the vital organs.
What type of symbiosis is being described?
predator/prey
competition
commensalism
parasitism
Which of the following describes a relationship of parasitism?
Birds eat parasitic ticks off the backs of zebras
A tapeworm latches itself in the intestines of a rat, feeding off all the nutrients eaten by the rat
A polar bear catches a seal for dinner
Birds feed off the insects that are stirred up from the grasses as cattle move through
Under which condition is competition among wolves most likely?
When new vegetation grows in the habitat, bringing new prey to the area
When a disease kills a large amount of the rabbit population
When there is an increase in sunlight in the habitat
When there is abundant rainfall in the area
Approximately 10% of the energy in one trophic level transfers to be stored in the next trophic level. What happens to the other 90%?
lost as heat into the environment
used by the organism in digestion/metabolism
waste products or parts not consumed (bones, fur, etc)
all are correct
What is the term for an organism that is not native to a particular area?
dispersed species
invasive species
native species
endemic species
Mistletoe takes water and nutrients from the spruce, harming the tree. This is an example of -
Mutualism
Commensalism
Parasitism
Predation
