Which abiotic factors might affect the survival of a small tree in a large forest? *
1 point
a. amount of sunlight the tree receives
b. precipitation
c. nutrients found in the soil
d. all of the above

which of the following is an example of commensalism? *
1 point
a. oxpeckers (bird) feed on the ticks found on a rhinoceros. both species benefit. the oxpecker gets food and the rhino gets rid of a parasite.
b. a flea feeds on a mouse’s blood to the mouse’s detriment
c. clown fish live among anemones acting as a lure for the sea anemone’s prey. the clown fish gets protection and shelter from the anemone.
d. barnacles create home sites by attaching themselves to whales. as the barnacle is a filter feeder, it also gets access to more water (and more food) due to the relationship. whale is unaffected

which of the following is an example of mutualism? *

a. oxpeckers (bird) feed on the ticks found on a rhinoceros. both species benefit. the oxpecker gets food and the rhino gets rid of a parasite.
b. a flea feeds on a mouse’s blood to the mouse’s detriment
c. hermit crabs will move into an old abandoned shell when their shell is no longer big enough to contain them. as the shell is inanimate (not living) it is not affected by this relationship
d. barnacles create home sites by attaching themselves to whales. as the barnacle is a filter feeder, it also gets access to more water (and more food) due to the relationship. whale is unaffected