Realtionships in ecosystems

Which of the following symbiotic relationships is considered parasitic?

• 
  Ticks feeding on a dog

• 
  Bees transporting pollen from flowers

• 
  Pilotfish swimming under sharks

• 
  Birds eating the insects from the back of hippo

A limited supply of food and shelter in the same habitat will lead to -

• 
  mutualism

• 
  parasitism

• 
  competition

• environmental changes

Which Relationship: A stinging sea anemone lives on the claws of a boxing crab. The crab uses the anemones like boxing gloves to protect itself.

• 
  Competition

• 
  Mutualism

• 
  Parasitism

• 
  Commensalism

Competition in an ecosystem occurs when

• more than one individual or population in an ecosystem relies (needs) the same limited resource.

• resources are unlimited.

• there is more than enough of a resources for every living organism.

• 
  animals get bored.

A 3-point buck is killed by a hunter. What type of symbiotic relationship is this?

• 
  mutualism

• 
  commensalism

• 
  parasitism

• 
  predation

What type of symbiosis?  Skunks often live in burrows that have been dug and abandoned by woodchucks.  

• 
  predation

• 
  commensalism

• 
  mutualism

• 
  
  parasitism

an Intraspecific relationship is when

• there is competition between organisms of different species 

• There is competition between organisms of the same species 

which is not an example of a symbiotic realtionship

• ​​Parasitism

• Predators

• Mutualism

• Commensalism

What is the organism that is harmed in a parasitic relationship?

• 
  parasite

• host

• 
  consumer

• producer

Which relationship causes one species to become the resource (biotic factor) for another species??

• 
  Symbiosis

• 
  Competition

• 
  Predation