The formation of goose bumps on your skin in cold weather is an example of a (an) __________ response, while seasonal migration is an example of a (an) __________ response.

Which piece of evidence best supports the hypothesis that the evolution of altruistic behavior is driven by kin selection? A hippo is observed saving an antelope from an attack by an alligator. A cuckoo bird hides its own eggs in the nest of another bird species. A meerkat protects the offspring of its sister from an attack by hawks. A male gorilla helps protect his offspring from an attack by a tiger.

The effects of scaling are beneficial to small creatures Choose the correct answer: that get wet. that fall from great heights. that live in small trees. who are hungry.

An adult female butterfly is actively flying from flower to flower while feeding on a very hot, sunny day in July.  The adult butterfly developed from an egg that was laid late in the season the previous year and it became cold while she was still in the caterpillar stage.  The caterpillar entered diapause and then resumed feeding and development the following spring when it became warmer.  Before entering diapause, the caterpillar was parasitized by a parasitoid wasp, which laid an egg in the caterpillar’s body, triggering an immune response that eventually killed the egg and allowed the caterpillar to complete its development and metamorphosis into an adult.  Based on this scenario, answer the following questions: 4.  When the adult butterfly inhales: a.     oxygen diffuses across the walls of the alveoli into the hemolymph, which then distributes the oxygen to all tissues. b.    oxygen binds with hemoglobin and is then carried throughout the tracheal system to all tissues. c.…