Three reasons a species could become extinct include, deforestation, being overhunted, not enough food available.
Answer: Each Gamete will have 19 chromosomes
Explanation: because gametes contain HALF the chromosomes contained in normal diploid cells of the body, so you take half of 38, which is equal to 19.
Hope that helps!
An isotonic solution is when the solute concentration is balanced with the concentration inside the cell , the water movement still moves between the solution, but the rates are the same in both directions, the water is balanced inside and outside the cell .
A hypotonic solution is when the solute concentration is lower than the concentration inside the cell. water moves into the cell and can cause the cell to swell; cells that don’t have a cell wall, such as animal cells, could explode in this type of solution.
A hypertonic solution is when the solute concentration is higher than the concentration inside the cell. In a hypertonic solution, the water moves out of the cell and causes the cell to shrivel.
A streamlined body is a body that is shaped to specifically reduce friction drag when moving.
Flippers and flattened tails are used to propel an animal through the water.
A smooth, almost gutless body is light, which is important when animals have to go through water quickly.
A thick layer of blubber is only used for insulation, and would hamper an animal's progress through water due to its weight.
The answer is B. thick layer of blubber.
<span><span>Infections such as trichomoniasis and gonorrhea can all cause vaginal discharge.</span></span>