The answer is b.
Internal fertilization takes more time and energy but it allows for the offspring to revive more devoted care. When an organism spends that much time and energy investing in an offspring it becomes worth the investment to devote more care towards it.
Answer:
Urinary excretion
Explanation:
The main function of the kidney is the excretion of body wastes and harmful chemicals into the urine. The nephron is the functional unit of the kidney responsible for excretion.
Muscular strength because you use it while running a mile and hiking
I feel like the healthcare system has really become more centered on the elderly and people who have special diseases like cancer and people that are mental.But yeah that is what I think!
