According to the fossil record, approximately when did life first appear on earth? when did multicellular life appear? at what age is life thought to have moved from the oceans onto dry land?

What happens when a magniseum ion ia atracked to a chlrene ion

Which statement about the pancreas is not true? a. it is an endocrine organ in the abdomen. b. it release chemicals into the digestive system. c. it releases insulin to increase glucose levels. d. it release hormones into the bloodstream.

Which is not a type of symmetry? a. asymmetryb. radial symmetryc. bilateral symmetryd. lateral symmetry