<h3><u>Answer;</u></h3>
D) India was a separate continent until forty-five million years ago.
<h3><u>Explanation</u>;</h3>
- <em><u>Continental drift serves as one of the evidence of evolution. Different kinds of animals and plants live in different parts of the world. This is true now, and it was true in the past. </u></em>
- Therefore, when a fossils of the same animal or plant is found on different continents, then that is evidence that those two continents may have been a single continent when those fossils were formed.
- Fossils show that the continents drifted because similar fossils were found where the continents were together millions of years ago.
Answer:
It is used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages.
Answer:
Fruits, vegetables, lean meat, limiting saturated fats, eating controlled portions.
Explanation:
Fruits and vegetables are extremely important for a balanced diet. Same with lean meat.
These provide good amounts of fiber and protein.
Eating less saturated fats are good too. Same with eating controlled portions so you do not over or under eat.
<em>Hope this is correct, good luck with your studies.</em>
The fertilization happens in our body with single cell and our body is form with same set of gene but with starting with single set of fertilized egg.
Explanation:
It reached to trillions of eggs. So, it is not possible to look same. The same thing happens with red blood cells, skin cells and nerve cells. Their size is different according to their work.
In our body the structure of all cell is totally different. Each and every cell is responsible for different work. Their size is according to their suitability of their job. For example, nerve cells are long because it helps to send the signals.
Smooth muscle cells are contractile and will contract from many different agents such as hormones travelling in the blood and neurotransmitters from the autonomic nervous system. The smooth muscle cells are coupled together so that when one cell contracts, the contraction is relayed to the next. This contractile ability is important in the vascular system as it helps regulate blood pressure by changing the size of the lumen of the vessel.
<span>This contractile feature also enables the movement of food through the digestive tract. Rhythmic contractions of smooth muscle cells, called peristalsis, moves the food along.
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