Answer:
The cell membrane controls what goes in and out by having protein channels that act like funnels in some cases and pumps in other cases. Passive transport does not require energy molecules and happens when a funnel opens in the membrane, letting molecules flow through.
Mitosis produces two diploid (2n) somatic cells that are genetically identical to each other and the original parent cell, whereas meiosis produces four haploid (n) gametes that are genetically unique from each other and the original parent (germ) cell.
25% display the just one trait : 50% display the co-dominant trait : 25% display the just the other trait
For example: a cross of a pink flower and and another pink flower where white and red are co-dominant
25% white : 50% pink : 25% red
Answer:
an increase in water pollution
excessive rain
CSF, or cerebrospinal fluid, nourishes and protects the brain and spinal cord.