Multiple ChoiceAt what age do male baby cardinals typically begin to develop their characteristic red plumage?77views
Multiple ChoiceWhich of the following is a key physical or behavioral adaptation that helps zebras evade predators in the wild?79views
Multiple ChoiceWhat scientific skill is a researcher using when she listens to the sounds that whales make?78views
Multiple ChoicePheasants do not feed their chicks. Immediately after hatching, a pheasant chick starts pecking at seeds and insects on the ground. How might a behavioral ecologist explain the ultimate cause of this behavior? 1493views1rank
Multiple ChoiceAnts carry dead ants out of an anthill and dump them on a "trash" pile. If a chemical from a dead ant is applied to a live ant, other ants will carry it, kicking and struggling, from the anthill, until the substance wears off. Which of the following explains this behavior? 1847views