A fisherman collecting shellfish notices that many of them have holes or jagged edges around their shells. Which statement best explains what may have caused the holes and jagged edges of the shells? Coral bleaching
Ocean warming
Invasive species
Ocean acidification

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above

Which of the following are responsible for sending messages from the hypothalamus to the thalamus?

Transposon can cause mutations in genes at or near the site of transposon insertion. it is possible for these elements to transpose away from their original site, causing a reversion of the mutant phenotype. in some cases, however, even more severe phenotypes appear when these elements excise from this site, due to events at or near the mutant allele. what might be happening to the transposon or the nearby gene to create more severe mutations?