BIOLOGY HIGH SCHOOL

A fossil bone is tested, and no c-14 is found. What can be said about the fossil's age?A.it's 5,730 years old
B.it's less than 5,730
C.it's more than 5,730

Answers

Answer 1

Answer: The answer is C. Its more than 5,730 years old.

Answer 2

Answer:

Answer:

The correct answer is C. it's more than 5,730 years old Hope this helps!

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Write three observations that could help you identify a fish.

Why does the predator line lag behind the prey line?

Answers

The prey are the food source. When the prey numbers are plentiful, there comes a period of time when the predator begins producing offspring to capitalize on the abundant food source. Offspring cant survive unless there is plenty of available food.

You are at the beach on a cold day and you jump into the ocean water, which is only a few degrees warmer than the air. The water feels surprisingly warm and you don’t want to get out. The next day is extremely hot and you jump into the same ocean water. Today the water feels unbearably cold. Did the temperature of the water change? Explain why the water felt so different on both days. Use terms such as hot-free nerve endings, cold-free nerve endings, and desensitization.

Answers

The only way I could do that was if you had to do a little more work and I would

How many chromosomes are in a haploid cell?

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First you must know that a diploid cell has double the amount of chromosomes of a haploid cell. A diploid cell has 46 chromosomes. When we divide 46 by 2 you get 23. This means that there are 23 chromosomes in a haploid cell.

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Answer:

Haploid describes a cell that contains a single set of chromosomes. The term haploid can also refer to the number of chromosomes in egg or sperm cells, which are also called gametes. In humans, gametes are haploid cells that contain 23 chromosomes, each of which a one of a chromosome pair that exists in diplod cells.

Explanation:

Why must there be variation in a population in order for natural selection to occur?

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In natural selection, genotype variations that will increase the chance of survival and reproduction of some organism are preserved and will be inherited. If there is no variation, then all individuals have the same chance to survive and nothing will be particularly selected.

The use of genetically altered livestock, such as cows, goats, pigs, and chickens, to produce medically useful products is referred to as _________.

Answers

The answer is pharming.
In pharming, the techniques of genetic engineering are used to introduce hybrid genes for some desired substance into animal embryos. These embryos will develop into transgenic animals, which will then secrete that desired substance.

motor proteins are responsible for moving vesicles and organelles within the cell. motor proteins move along protein "tracks." in the example shown in the visualizing figure, what are those tracks made of?