What is a type of inheritance for the human blood type gene shown here?
a. incomplete dominance.
b. codominance.
c. autosomal.
d. sex-linked.

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

Select the correct answer. which term do biologists use to describe the average number of individuals of a species per unit area? a. carrying capacity b. population density c. minimal viable population d. survivability curve