Some types of algae live inside coral. the algae provide the coral with nutrients. the coral provides the algae with shelter. which of the following relationships exist between the algae and coral?
a. a competitive relationship
b. a symbiotic relationship
c. a parasite-host relationship
d. a predator-prey relationship

Question 1 of 102 pointswhich best describes adaptive radiation? oa. geographical isolation caused by an adaptationob. biodiversity resulting from few ancestorsoc. a decrease in the rate of speciationd. adaptations that organisms teach each other

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent