Why do some species employ both mitosis and meiosis, whereas other species use only mitosis?
a) they need meiosis if the cells are producing organs such as ovaries.
b) a single-celled organism only needs mitosis.
c) they need only mitosis to make large numbers of cells such as sperm.
d) they need only meiosis if they produce egg cells.
e) they need both if they are producing animal gametes.

What are the 3 types of artificial cloning

Time remaini 02: 50: 5 in the farewell speech, queen elizabeth's use of first-person point of view her to appear to be impartial and objective prevents her from addressing the audience directly allows her to share her personal thoughts and ideas, makes it seem as though she's observing from the outside, mack this and return save and evit

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.