Day and night are caused by a. the rotation of the sun on its axis. b. the sun completing a full orbit around the earth. c. the earth completing a full orbit around the sun. d. the rotation of earth on its axis.

25. what does meiosis create? haploids or diploid? somatic cells or gametes?

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 possible blood types among the children of parents that are ab and ii? oa) types a and b ob) types a, b, and ab c) types a, b, and o od) types a, b, ab, and o