Answer:
What can be inferred about the evolution of the cranium and the vertebral column from examining hagfishes and lampreys? Comparison of hagfishes with lampreys shows that the cranium evolved first in early vertebrates, as it is seen in hagfishes, which evolved earlier than lampreys.
Explanation:
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Answer:
The oxygen in inhaled air passes across the thin lining of the air sacs and into the blood vessels. This is known as diffusion. The oxygen in the blood is then carried around the body in the bloodstream, reaching every cell. When oxygen passes into the bloodstream, carbon dioxide leaves it.
Explanation:
Molecules are moving because they have energy. As the liquid cools down, the amount of energy is reduced and the molecules start to move slower. When the water temperature reaches around 0°C, the molecules stick together and form a solid – ice. Even in this solid stage, the molecules are still moving – we just can’t see it.
Answer:
The correct answer will be option-E
Explanation:
The soft cheese like Camembert, blue cheese and feta cheese are prepared from the unpasteurised milk.
Since the milk is not pasteurized therefore there are higher chances that the prepared cheese will have the micro-organism which could be lethal to humans like Listeria. Listeria is a bacteria which gets killed during the pasteurization process.
The pregnant woman should avoid eating the soft cheese as the cheese could contain the harmful bacteria like listeria which once ingested can enter the placenta and can kill the unborn babies or preterm delivery.
Thus, option-E is the correct answer.
