Freshwater ecosystems include three general categories: rivers and streams, lakes and ponds, and freshwater wetlands. Which of the following describes freshwater wetlands, but not the other two categories? Select all correct answers.

What is the best-known carbohydrate?

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

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?