Interspecific Symbiosis

Interspecific relationships are between:

• Individuals from the same species

• Individuals from two or more different species

What does symbiosis mean?

• Two species have a relationship

• Two species are in a close relationship where one is always harmed

• Two species are in a close relationship where one always gains something

• Two species are in a close relationship where nothing happens to the other one

A remora fish hitching a ride on the back of a shark is an example of a:

• Parasitism

• Commensalism

• Mutualism

• Predation

An oxpecker bird eating ticks off the back of a hippo is and example of:

• Parasitism

• Mutualism

• Commensalism

• Herbivory

Tape worms feeding off food in your intestines is an example of:

• Commensalism

• Mutualism

• Predation

• Parasitism

Which of these best describes a parasite relationship:

• Species A dies and species B benefits

• Species A is harmed and species B benefits

• Species A gains and species B also gains

• Species A gains and species B isn't harmed but also doesn't gain anything

Which of these best describes a commensal relationship?

• Species A benefits and species B is harmed

• Species A benefits and species B also benefits

• Species A benefits and species B isn't hurt but also gains nothing

• Species A is killed and species B gains

Which of these is an example of an obligate parasite:

• cuckoo birds using other species to raise their young

• corpse plants growing haustorium into a host plant to steal its glucose and water

• mistletoe plants growing haustorium into a host plant to steal extra nutrients

• hook worms growing inside the heart of an animal

An endoparasite will die when its host dies:

• True

• False

Ectoparasites typically spend a long time with their host

• True

• False