Which of the following is an example of positive feedback? a. abscisic acid (aba) in plants slows bud growth in cold temperatures. b. an increase in ethylene gas causes fruits to ripen more quickly. c. taking a tranquilizer slows the speed of signal transmission in neurons. d. panting in dogs increases the amount of cool air in nasal passages and lowers body temperature

Nteractions between organisms and their environment impact the organism’s overall population. oahu amakihi and kauai amakihi are two closely related species of hawaiian honeycreepers. they have a common ancestor, eat small insects and nectar, and like to nest in koa trees. however, one species is found on the island of oahu, and the other is found on the island of kauai. which concept shows the relationship between oahu amakihi and kauai amakihi?

Use this new information to determine the parents’ genotypes (indicated by red arrows). then calculate the probabilities that the second male offspring will have each condition. drag one pink label to each pink target and one blue label to each blue target. then use the white labels to answer questions 1 and 2. labels can be used once, more than once, or not at all.

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight. which of these is most likely effect on the ecosystem?