common descent means the evolutionary in biology and how they have something linked with their common ancestors.
Usually the average growth cycle of eyebrows is 5 to 7 weeks, but it can be shorter or longer depending on various factors such as, your age, metabolism, and weight.
II and III only. The fungus is a heterotroph, since it's not making it's own food, but it's also a Saprotroph (since it externally digests dead organic materials; saprotrophs are a special subset of heterotrophs).
land plants adapt on land because they have roots to grow in the ground and get water. they also receive more sunlight than plants in the water.