HRS - Ask. Learn. Share Knowledge. Logo

Questions in biology

[Done] What is the result of the lungs exhaling more frequently?

[Done] Tree-living mammals have a variety of specializations for moving in trees, including: A. Very long arms for swinging from tree to tree. B. Sticky pads on their arms and legs that help them cling to tree trunks and branches. C. A prehensile tail used for climbing and hanging from branches. D. All of the above.

[Done] Rewrite the sentence so that it makes sense: An animal kingdom contains many phyla.

[Done] What is the most common form of DNA found in organisms?

[Done] Many residents in a small town have developed a bacterial infection. Two students hypothesize that the bacteria are coming from the town's drinking water. They look for the bacteria in water samples from the lake that supplies 80 percent of the town's drinking water. When they find no bacteria, the students conclude that the town's residents are not getting the bacteria from their drinking water. Which is a source of error in the students' experimental design?

[Done] What are four biotic facts about the tundra?

[Done] Name an organelle that has highly folded membranes.

[Done] Members of this phylum are parasites and obtain food from a host. A. Porifera (sponges) B. Cnidarians C. Nematoda D. Platyhelminthes E. Annelida F. Echinodermata G. Mollusca H. Arthropoda

[Done] What do snakes and giraffes have in common? (key shared characteristics)

[Done] Define what a coelom is.