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Vera_Pavlovna [14]
3 years ago
15

Which of the following is the correct order of steps in the scientific method?

Biology
2 answers:
mariarad [96]3 years ago
5 0

Answer:

C

Explanation:

herp derp herp derp herp derp

IrinaVladis [17]3 years ago
4 0
The correct answer is D because first you need to observe then guess what will happen, then conduct your experiment, and last record your results
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Which of the following are chemoreceptors? hair cells in the cochlea receptors in the aortic and carotid bodies baroreceptors in
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Answer:

The receptors in the aortic and carotid bodies are chemoreceptors.

Explanation:

Chemoreceptors are specialized cells that are responsible for detecting and converting chemical signals into biological signals, to relay that information to the brain, where they will finally be interpreted. Among them we find the peripheral chemoreceptors, which are the aortic bodies, located along the wall of the aortic arch and innervated by the vagus nerve, and the carotid bodies, located in the neck. . Carotid bodies are stimulated by variations in the concentration of oxygen and carbon dioxide in the blood, as well as variations in blood pH. When the pH decreases the CO2 increases and the oxygen decreases, they activate the chemoreceptors to increase breathing.

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Semen creates a(n)__________ environment for sperm to safely travel through both the male and female reproductive tracts.
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Semen creates a(n)<u>alkaline </u>environment for sperm to safely travel through both the male and female reproductive tracts.

In the field of biology, semen can be described as a white, slippery fluid that is released from the male reproductory organ. Semen is also referred to as the seminal fluid.

The semen of males carries the sperm cells which are required for the fertilization of the female egg. The conditions should be favorable for the process of fertilization to occur.

The natural atmosphere of the vagina of a female is acidic in nature. The sperms need a neutral environment for survival. Hence, the semen is produced alkaline in nature to prolong the lifetime of sperm cells. The alkalinity of the semen neutralizes the acidity of the vagina.

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8 0
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HELP GIVING BRAINIEST!
Solnce55 [7]

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What is the effect of differential reproduction over time?How is the sickle-cell allele maintained through natural selection?
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Answer:

Differential reproduction leads to a change in allele frequencies over time. This occurs because of natural selection favoring "successful" individuals that produce more viable offspring.

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The bulldog ant has a diploid number of two chromosomes. Therefore, following meiosis, each daughter cell will have a single chr
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The bulldog ant has a diploid number of two chromosomes. Therefore, following meiosis, each daughter cell will have a single chromosome. In addition to mutations, genetic diversity might be generated in this species due to (C) crossing over and random fertilization.

There are some points during sexual reproduction which might increase the chances of a genetic diversity.

During meiosis I, crossing over during prophase produces sets of chromosomes having new combinations of alleles.

Genetic diversity might also generated by random fertilization of the gametes created through meiosis. Any of the genetically distinctive sperm produced by a male might fertilize the genetically distinctive egg produced by a female.

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