The fact that animals are the only kingdom that has muscle tissue demonstrates a contrast between which of the following hurry I have only 13 minutes hurry

How does pregnancy begin? a) a placenta forms in the uterus b) a sperm reaches an egg in the fallopian tubec) the blastocyst differentiates into two cell types d) contractions begin in the uterine wallapex

Scientific evidence is most likely to be consistent if it is based on data from

If a cell is placed into a hypertonic environment,what will happen to it ? a)it will shrink or shrivel b)nothing c)it will burst d) it will expand or enlarge