How does the structure of the skull help prevent injury to the brain? A) The elastic bones of the skull help the skull reshape itself to prevent breakage.

B) The fused bones of the skull lessen the impact on the brain.

C) The spongy bones of the skull cause the ball to bounce off the head.

D) The joints in the skull move to prevent the football from hitting the head.

Osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? view available hint(s)osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? the first law of thermodynamicsthe difference in the height of water columns on either side of a selectively permeable membranethe difference in water concentration across a selectively permeable membranethe difference in sugar or ion concentration across a selectively permeable membrane

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.