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2 years ago

Horses evolved teeth with a cement covering and evolved from multiple toes to a single hoof because:

2 answers:

7 0

The answer is C because horses used to have many smaller toes, perfect for running on softer forest ground. As the environment changed and they ran on grasslands, they evolved a single “toe” (their hoof) to run on providing better resistance to hard ground.

Hope this helps :)

wariber [46]2 years ago

5 0

I believe the answer is C.

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A few years ago Robert noticed a few gray hairs. A little frustrated, he was able to isolate and pluck them out one by one; howe

kotykmax [81]

Answer:

c. mid-adulthood

Explanation:

This stage of life when gray hairs become overwhelming in number and he has more gray hairs than brunette( brown hair) is called middle adulthood. Middle adulthood spans from 20 to 40 years of life which may be defined differently for different culture and country.

Robert is in his late mid adulthood somewhere near 40 at this age hair generally grow grey.

4 0

2 years ago

Pls help me pls pleasssseeee :

sattari [20]

I’m not 100% sure but I brelieve the correct answer is 30 due to the hurricane being surrounded by land and no water for it to gain size, hence it weakening itself

8 0

2 years ago

Very cool guys very cool

NISA [10]

Answer:

epic bro

Explanation:

too cool

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3 years ago

Read 2 more answers

Cows, pigs, and sheep have identical amino acid sequences for cytochrome c. What does this say about their evolutionary relatedn

MrMuchimi

Answer:

It shows the three organisms to have evolved from a common ancestor.

Explanation:

An identical sequence of amino acids for cytochrome c in cows, pigs and sheep show that they most likely evolved from a common ancestor. The common ancestor might have evolved over time and in result, three different species were produced. It also shows that they are more closely related to one another than other organisms.

Other properties or traits that are common in these organisms are :

They all are mammals.

They are all livestock animals.

They all are multicellular organisms.

4 0

3 years ago

What is imunisition<br><br><br><br>please help me guys

VLD [36.1K]

<h2>Hey There!</h2><h2>_____________________________________</h2><h2>Answer:</h2><h2>_____________________________________</h2>

$\Large\textbf{ACTIVE AND PASSIVE IMMUNITY}$

Active Immunity, Immunity which is acquired by the own immune response of the body.

Passive Immunity, Immunity which is acquired and dependent upon the antibodies transported from another person or even an animal. A person's immune system does not acquire or make the antibodies itself. A newborn baby acquires passive immunity from its mother through the placenta.

x---------------------------------------------------x

<h2> </h2><h2> $\Huge\text{Vaccination:}$ </h2>

Vaccination is a artificial active immunity. Artificial because the antibodies are not acquired by any natural infection but it is injected into the healthy body of the person. It is Active immunity because the body does not get already made (from other animal) antibodies but it acts on the small amount of the pathogen which is injected in the body and acquires the antibodies itself. So the person acquires antibodies naturally acting on the antigen. Antigen is any foreign agent which triggers the immune system to produce antibodies against it. Vaccines contains antigen which is a harmless form of the bacteria or a virus that causes the disease you are being immunised against. The bacteria or virus are in small proportion and greatly weakened in the vaccine so they just trigger an immune response without causing any real damage. When Vaccine is injected in the body, the immune system starts to make antibodies of different forms against the antigen(Virus or bacteria in the vaccine). When the appropriate shape antibody reacts with the antigen and forms antibody-antigen complex which destroys the antigen. This means that type and shape of antibody is perfect to work against that antigen, then the immune system start forming only those kind of antibodies in great proportion and the Person gets immunised by the vaccine in a natural way.

<h2>_____________________________________</h2><h2>Best Regards,</h2><h2>'Borz'</h2><h2 />

3 0

3 years ago