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Lana71 [14]
1 year ago
15

An experiment you could run to test the Evolution theory?

Biology
1 answer:
lara31 [8.8K]1 year ago
3 0
“The test of any theory is whether or not it provides answers to basic questions. Some well-meaning but misguided people think evolution is a reasonable theory to explain man’s questions about the universe.”Where did the space for the universe come from? Witch can be experimented to answer.
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During their early stages of development, the embryos of reptiles, birds, and mammals look very similar. The embryos of reptiles
DedPeter [7]

Answer:

share a common ancestor

Explanation:

<em>The similarity in their embryos and embryonic development suggests that reptiles, birds, and mammals share the same ancestor.</em>

Similarity in the structure and development of embryo is one of the evidences that is been used by scientists to support the theory of evolution of species. According to the theory of organic evolution, all organisms are on earth as a result of descent with modifications from common ancestors.

<u>Reptiles, birds, and mammals are all vertebrates. They share some basic characteristics and are thought to have shared a common ancestor before each group took different adaptive channels leading to their  differences as they currently exist.</u>

6 0
3 years ago
The connective tissue wrappings surrounding a mammalian brain are collectively called
jasenka [17]
The connective tissues of mammalian brain is called the meninges. There are three layers of this tissue. The outer layer is called the dura mater. The arachnoid is the middle layer and the pia mater is the inner layer of it.
5 0
3 years ago
Please answer the following question with at least 5-6 sentences.
Dafna1 [17]

Answer:

The battle against sexually transmitted illnesses, except for the relatively recent HIV/AIDS, has been one that has been present in humanity almost from its beginning. Infections caused by syphilis, ghonorrea, clamydia, among others, have been a part of humans since sexual activity has been around us. However, since the appearance of antibiotics, and other chemical agents to combat them, the scenario changes for mankind, as now, a diagnosis of such diseases was not basically a death sentence, or, a reason to be socially isolated. Another thing that changed, was the pattern and incidence of transmission, as now, with treatment, the pathogens could be stopped.

However, during the 19th century, with the appearance of medically more advanced technologies, better antibiotic treatments, and other public health measures, many of these STI´s, especially those that were most frequent, like syphilis, were no longer taken as certain death. However, it also became a reason for people to act more rashly and not think about transmission.

But in the 20th century, and especially since the appearance of the most deadly HIV virus, particularly in homosexual populations, things began to look bad for humans again. People died, and the only measure that could be taken as science learned about the pathogen, was isolation of those infected. Just as in the middle ages those infected with plague, were left aside, HIV-infected people became isolated. But during the 20th century, virology, the science that studies viruses and the possible treatments to it, and the adventure of DNA discoveries, led to a huge change. It was seen that there were a series of chemical components, that were able to completely detain, and in some cases eliminate, those viruses and bacteria that caused deadly STIs. But probably one of the biggest advances in the 20th century was the realization of the importance of education of people, campaigns to educate the people about contagion, ways of prevention and possible treatments.

5 0
3 years ago
Nhóm thức ăn nào sau đây giàu chất đạm?
dybincka [34]

Answer:

đù việt nam

Explanation:

thịt lợn trứng gà sữa cá

3 0
3 years ago
Why is the frequency of recombinant gametes always half the frequency of crossing over?
kvv77 [185]
Crossing over occurs at the four-strand stage when two homologous chromosomes, each consisting of a pair of sister chromatids, are paired. Each crossover involves just two of the four strands and generates two recombinant strands.

Hope this helps!
3 0
3 years ago
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