What kind of relationship is there between the oxpecker and a rhino? The oxpecker bird and the rhinoceros have a relationship. The oxpecker receives protection and obtains food from the ticks and other pests infesting the rhino’s skin. The rhino receives in return cleaning and early warning of approaching danger. commensalism
parasitism
mutualism

Can you identify which of the following groups of organisms are, or are not, populations? a. the american bison (bison bison) and grey wolves (canis lupus) currently living in yellowstone national parkb. all of the rainbow trout (oncorhynchus mykiss that) that have ever lived in lake eriec. the group of american bison (bison bison) currently living in yellowstone national parkd. a group of calliope hummingbirds (selasphorus calliope) and a group of rufous hummingbirds (selasphorus rufus) living in the same new hampshire woodse. the northern cardinals (cardinalis cardinalis) living on opposite shores of lake champlain f. all of the whales currently living in the atlantic ocean off cape cod, massachusetts

In a cladogram' when does a group of organisms branch off

Draw the structure of dna nucleotide with adenine as nitrogenous base