Acell shows formation of a contractile ring just prior to cytoplasmic division. which cell is being observed?

a. onion root tip cell

b. leaf cell

c. human fetal cell

In what layer of the sun is energy transfers between atoms

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

Jane is blood type a her husband is blood type b. jane is puzzled because their daughter is type o. explain how the daughter inherited a blood type that neither of her parents had explain your answer