Which is a gamete?
A. testis
B. steroid
C. sperm
D. progesterone

~~16. while watching a special on animals, brianna discovers that hares tend to lose heat through their ears. based on this and what is known about surface-to-volume ratios, propose an explanation as to why hares that live in hot climates (such as the desert) have large, extended ears

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?