Answer:
They adapted with new traits to survive to new environments.
Explanation:
survival of the fittest
Arthropods were the first animals to successfully invade land from the sea
It depends on what kind of solution is referred as 0.65 M. If the solution where the red blood cell is present is hypertonic, the red blood cell will shrink. If the solution is hypotonic, the red blood cell will expand. If the solution is isotonic, the red blood cell will not expand or shrink.
Answer: Option E.
A,B and C are correct.
Explanation:
Kidney is a bean shaped organ normally found in vertebrates. It is located posterior to the abdominal peritoneum. Kidney is well protected by ribs 10-12 , abdominal muscles, back muscles .kidney is about 11cm in length in adults. Kidney receives blood from the arteries and exist blood through the veins. Each kidney is attached to a ureter which harbour and carries urine to the bladder .Each kidney is approximately the same size as adult clenched fist(10cm). The main function of the kidney is excretion of wastes and urine.
Answer:
Four (4) cells
Explanation:
Meiosis is the type of cell division in which four daughter cells that are genetically different is produced. The daughter cells are gametes that have undergone a reduction in their chromosome number (by half).
For example, one cell of an oak tree with 14 chromosomes is said to undergo meiosis. This means that, based on the explanation of meiosis above, the oak cell will give rise to four (4) daughter cells containing 7 chromosomes each.
