BIOLOGY HIGH SCHOOL

Which of these germinal layers give rise to the digestive system, the circulatory system, and the nervous system?

Answers

Answer 1
Answer: The three germinal layers are:

Endoderm, mesoderm, ectoderm

They give rise to :

Endoderm -the digestive system (and also the respirative system)
Mesoderm - the circulatory system (including the heart)
Ectoderm - the nervous system including the brain (and the skin)

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Suppose that the human insulin protein that was produced by the bacteria was much shorter than it should be. Upon further investigation, it was found that the DNA of the human insulin gene had a mutation while in the bacterial cells. What type of mutation could not result in these observations?
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Which best describes chemical digestion and mechanical digestion

What are three terms used to describe organisms such as trees

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Grass, plants, flowers, trees, stumps, that kind of thing or not?

What is the attached body form of Cnidarians

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The attached body form of a cnidarian would be the polyp. The polyp attaches to a surface, much like a stalk with brwnches

The view that cultures, like organisms, changed through time is called___________

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Answer: Cultural Evolutionism.

Final answer:

Cultural evolution is the theory that cultures change over time, similar to the evolution seen in biological organisms. It is based on the idea that cultures evolve and adapt to their environment and circumstances. An example is a transition from hunting-gathering society to an agricultural one based on the available land resources.

Explanation:

The view that cultures, like organisms, change over time is called cultural evolution. This theory posits that societal changes and developments happen gradually over time, analogously to the evolutionary changes seen in biological organisms. The concept of cultural evolution originates from 19th-century anthropology and was heavily influenced by Charles Darwin’s theory of natural selection. While there are debates and variations within this theory, at its base, it suggests that cultures evolve and adapt to their environment and circumstances, with these changes advantaging certain societies and helping them to succeed and prosper.

For instance, a culture that originally practiced hunting and gathering may evolve into an agricultural society when it encounters a fertile and productive land. This evolution of culture and society is not linear or inevitable, but dependent on a multitude of factors, including environmental, economic, and social conditions.

Learn more about Cultural Evolution here:

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Why might a jogger develop lactic acid in his or her muscles

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Answer:

here

Explanation:

the more your body is moving and is pumping blood there is in your muscles which start to produce lactic acid

What would happen if a mutation created a new allele that decreased fitness?

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Fitness describes a reproductive success of an individual. For example, there are green and yellow beetles in a population. If a color affects the reproductive success, for example, green beetles will have more offspring that the brown ones because of their color. So, green beetles have higher fitness. And the beetles with decreased fitness will have less offspring.

So, if a mutation creates a new allele which decreases the fitness, the altered allele will not be inherited in such a ratio as the unaltered allele will.

What is a fish bigger than a salmon but smaller than a dolphin

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Hi There! :)

What is a fish bigger than a salmon but smaller than a dolphin

Porpoises
to be honest probably a lionfish but it could also be koi fish .3.
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