Entries by Emma

How do the systems differ between some of the classes of mollusks?

Compare the digestive, excretory, and reproductive systems of Porifera, Cnidaria, and Platyhelminthes. Each mollusk has a foot, head, visceral mass, and a mantle. Describe the anatomy of a mollusk. Explain how the different systems function. How do the systems differ between some of the classes of mollusks? Describe in detail the life stages of arthropods. […]

Explain how polarity and hydrogen bonding make water so special

.Explain how polarity and hydrogen bonding make water so special 2.Here are three ELR’s: 3 degrees Celsius, 7 degrees Celsius, and 13 degrees Celsius. For each ELR…… 1) Explain whether it would produce a stable atmosphere, an unstable atmosphere, or a conditionally unstable atmosphere, 2) Explain whether our parcel of air will rise or sink, […]