Birds first appeared and rose to prominence during the: Answer Precambrian Paleozoic Era Mesozoic Era Cenozoic Era

Pruitt lives in a city that is typically dominated by a maritime tropical air mass. After listening to the weather update, he learns that a maritime polar air mass is approaching his city.

Explain why hydrophobic molecules can easily cross the plasma membrane, while hydrophilic molecules cannot.

Tables display data in rows and columns true or false

Which area of the central nervous system contains cerebrospinal fluid? a) Efferent tissue b) Subarachnoid space c) Dura mater d) Grey matter

Which of these descriptions of the behavior of chromosomes during meiosis explains Mendel's law of segregation? A. The two alleles for each gene separate as homologous chromosomes move apart during anaphase I. B.

How does the number of chromosomes in an organism's reproductive cells compare to the number of chromosomes in the organism's body cells? A. The reproductive cells have half as many chromosomes as the body cells B.

What organelles contain functioning ATP synthetase complexes in their membranes?

Which of these would have the most immediate effect on the ability of a plant cell to carry out photosynthesis? A) change in soil pH B) increasing air temperature C) reduction of light intensity D) increasing atmospheric humidity

Which planet is farthest from the sun since Pluto is no longer considered a planet?

7. A type of cell division that results in diploid cells: [meiosis / mitosis