In the early stages the embryos of four different species will look the same .For example, fish embryos and human embryos both have gill slits. In fish they develop into gills, but in humans they disappear before birth. That what makes them different.
Whether or not the fatty acid has double or single covalent bonds
a fatty acid is saturated when only single bonds to H hold it together
a fatty acid is unsaturated when a double bond helps hold it together, this type of fatty acid becomes bent as a result
Melanin is a pigment that is produced by cells known as melanocytes in the skin of most animals, including humans. ...
Answer:
Explanation:
The fibrous root is one of the small hair-like roots of the fibrous root system. Fibrous roots are derived from the base of the plant. This root system is available mainly in Monocotyledons, Gymnospermae (conifers) and Pteridophyta (ferns). Most of the fibrous roots grow horizontally and very few roots grow vertically to anchor the plant. Most importantly, the fibrous roots are short. They grow near the surface of the soil, not deep into the soil.
Answer:
The correct answers are A and D
Explanation: