Answer:
a human and appropriate body part is head, neck, back, hips
Explanation:
Answer
There is not enough antibody-producing clones during development therefore the immune system suffers.
<span>Plants and animals all have a range of limiting (ecological minimum and maximum) for certain environmental factors. The organism will survive provided the temperature, humidity, air etc are maintained within critical limits.</span>
Answer:
Because pioneer species are the first to return after a disturbance, they are the first stage of succession, and their presence increases the diversity in a region.
Explanation:
Note: They are usually a hardy plant, algae or moss that can withstand a hostile environment
Answer:
Therefore, potassium can diffuse through the membrane but sodium cannot. Because the membrane is permeable to potassium ions, they will flow down their concentration gradient; i.e. towards the outside of the cell.
Explanation:
