Why is it appropriate that Galileo Galilei is known as the Father of Astronomy?

1 answer:

8 0

Galileo Galilei pioneered the experimental scientific method and was the first to use a refracting telescope to make important astronomical discoveries. He is often referred to as the “father of modern astronomy” and the “father of modern physics”. Albert Einstein called Galileo the “father of modern science.”

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The molecule of one atom of carbon and two atoms of oxygen would be written

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CO2

Carbon dioxide

O=C=O

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The adrenal gland produces cortisol

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Why is it impossible for male calico cats to exist

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Answer:

genetics

Explanation:

calico cats must also inherit a gene unrelated to the X and Y chromosomes that codes for white fur. Because male cats have one X chromosome with code for black or orange and one Y chromosome with no color genes, they cannot technically be calico. About one in every 3,000 calico cats is born a male, and, unfortunately, don't live as long as female calicos due to their genetic abnormalities. XXY Syndrome renders male calicos sterile and can be the root cause of many other health problems

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Cichlids, a type of fish, were introduced to a lake around 200 years ago. Over the years, the fish have developed into two disti

alina1380 [7]

Answer:

sympatric speciation

Explanation:

Different sympatric species have the same closest ancestor and live in the same area but inhabiting different niches.

The steps for sympatric speciation are:

An ancestral species inhabit a geographic area.
With time, different populations of the same species occupy different niches or microhabitats in this general area.
As the microhabitats are different, they have different environmental pressures that are acting on each population.
These pressures lead to the origin of differences between groups, which need to adapt to each environment
Each population suffers genetic changes due to environmental conditions. These changes are inheritable.
With time, these differences drive to the final complete divergence of populations, becoming different species and reproductively isolated.

In sympatric speciation, the interruption of genetic flow must be fast, and there must be differences in niches so no species can compete and displace the other species. Speciation occurs in the same distribution area of the original species. The new species originate in a place with no physical barriers but different environmental pressures.

In the exposed example,

The introduced Cichlid fishes 200 years ago → Original species and the common ancestor between the new derivated species
The lake → general geographic area
The main lake and the streams → Microhabitats or niches with different pressures each
The groups are splitting into two genetically and physically different types of fishes. They do not mate. There is no genetic flow between groups. → Speciation process.

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Many movies have shown scenes where explosions can be seen and heard in outer space. Which statement BEST describes why these sc

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Answer:

A.Sound waves are unable to travel in outer space.

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