Thicker Skin, Fur, More Fat Content
Answer:
The osmolarity of mammalian urine may vary over time. The osmolarity of mammalian urine varies little between species. Mammalian urine is always hyperosmotic to blood. The osmolarity of mammalian urine may vary over time.
Explanation:
I hope it will help you
Answer:
B. How soon the organism is able to reproduce.
Plant cells? maybe? i learned this last year
D- the frequency of the recessive alle increases over time
