The phylum of organisms most closely linked to the evolution of land plants is the
a. Chlorophyta.
b. Charophyta.
c. Phaeophyta.
d. Euglenozoa.
a
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This animal has two atria and two ventricles and two vascular circuits. This animal is a(n) ____
a. mountain bluebird b. fire-bellied toad c. trout d. lobster e. cod
________ is a biochemical technique that allows one to separate biological molecules based on size, shape, and/or affinity for specific molecules or functional groups
Fill in the blank with correct word.
Which of the following is an accurate description of the plasma membrane?
A) Two layers of phospholipids with a number of proteins embedded within B) One layer of phospholipids with a number of proteins embedded within C) Two layers of proteins with a few phospholipids embedded within D) One layer of proteins with a few phospholipids embedded within
Who established the connection between genes, meiosis, and fertilization?
a. Erich von Tschermak b. Walter Sutton c. Hugo de Vries d. Gregor Mendel