Place the following levels of biological organization in the proper order, from smallest to largest. 1) macromolecule 2) tissue 3) organ system 4) organ 5) cell a) 1, 5, 4, 3, 2 b) 1, 2, 5, 4, 3 c) 5, 1, 2, 4, 3 d) 1, 5, 2, 4, 3

Which of these is a major trend in land plant evolution? a) the trend toward smaller size b) the trend toward a gametophyte-dominated life cycle c) the trend toward a sporophyte-dominated life cycle d) the trend toward larger gametophytes

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

What is the most abundant vertebrate on earth?