WorksheetsInteractions and Ecosystems
Total questions: 15
Worksheet time: 15mins
the parts of an ecosystem that have NEVER been living and NEVER will be; examples include the sun, water, air, soil, weather conditions, and rocks
nonliving (abiotic)
living (biotic)
terrarium
essential
the way in which all things (living and nonliving) work together in a shared community
essential
interaction
terrarium
living (biotic)
organisms that entered a new ecosystem and multiplied, hurting native species and their habitats
overpopulation
inpact
restore (restoration)
Invasive species
too many of the same organism in one area
native species
overpopulation
invasive species
restore (restoration)
type of organisms that normally live in a particular ecosystem
overpopulation
invasive species
native species
impact
problem that occurs when grazing animals like cattle and sheep eat too much vegetation (grass)
habitat
overgraze
thrive
global warming
Which of these describes a mutually beneficial relationship between two organisms?
A dog with worms in its intestine
A turtle and a snail that both eat grass live in a river
A honeybee pollinating a plant and receiving nectar for food
A small fish attached to a shark, eating tiny pieces of the shark's food as it floats
Which of the examples below can BEST be described as mutualism between animals?
A tapeworm lives in the intestine of a bird and consumes the food that the bird has eaten
Mountain lions and wolves fight each other for the same deer
A bird eats parasites off a rhinoceros while the rhinoceros provides protection to the bird
Rats live in the garbage dump of a town and rarely interact with people
Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
mutualism
commensalism
competition
parasitism
A relationship that describe a close interaction between two different species is known as what?
Biodiversity
Symbiosis
Predation
Emigration
This is known as a relationship in which one organism benefits, while the other is unaffected.
Parasitism
Mutualism
Immigration
Commensalism
Which of the following is an example of a producer in an ecosystem?
A) A lion
B) A mushroom
C) A grass
D) A hawk
What is the primary role of decomposers in an ecosystem?
A) To produce energy through photosynthesis
B) To break down dead organisms and recycle nutrients
C) To compete with other organisms for resources
D) To provide shelter for other organisms
In a food web, what would happen if a top predator is removed from the ecosystem?
A) The population of prey species would decrease
B) The ecosystem would become more stable
C) The population of prey species would increase
D) There would be no effect on the ecosystem
Which of the following best describes a symbiotic relationship where one organism benefits and the other is neither helped nor harmed?
A) Mutualism
B) Parasitism
C) Commensalism
D) Competition
