When you have tigers which in warmer climates are observed to have thinner coats and in colder climates are observed to have thicker coats this shows us the mechanism of adaptation and natural selection in play. Because they have a warmer climate around them they can hae a thinner coat and vice versa.
It starts as a raindrop which is rain than it goes to the ocean,rivers,puddles or any body of water and from there it evaporates which makes the clouds and than it starts all over when the clouds already got enough water.
Answer:
Answer is D. All answers are correct.
Explanation:
All the activities given as the options will make a person breath-in compressed air which contain nitrogen. The nitrogen enters the body tissue at high pressure, this will cause pains in the joints, muscles, nausea and even paralysis.
Answer:
Wakefulness and sleep.
Explanation:
Hypothalamus may be defined as the small region of the brain that maintains the homeostasis of the body. The hypothalamus is divided into anterior hypothalamus and posterior hypothalamus.
The anterior hypothalamus of the brain is involved in the sleep activity of the organisms and releases the hormones also. The posterior hypothalamus is involved in the wakefulness of the individual.
Thus, the correct answer is wakefulness and sleep.