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Viktor [21]
3 years ago
8

How does the idea of a common ancestor help support the theory of evolution?

Biology
1 answer:
Alenkinab [10]3 years ago
8 0
It supports it by saying that there was once only one mammal but then it reproduced and since different places have different climates they adapted or evolved to the climate changing their form and shape.
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A trick Biology question I need help with.. can anyone help?
Anettt [7]
Your answer is D. 32

If it has 5 pairs of chromosomes, it could produce 2^5 or 32 unique chromosomes. The number of different gametes is determined by counting the number of heterozygous chromosomes and raising 2 to this power. So, if all the homologous are exactly the same, there would only be 1 possible type of chromosome. 

An organism with NO heterozygous chromosomes, like BB or AAbbCCDDeeFF can produce 2^0 or 1 type of gamete- B or AbCDeF, respectively. An organism with the genotype AaBBccDdee has 2 pairs of hetrerozygous chromosomes (the As and the Ds), so the number of different gametes is 2^2 or 4. So, an organism with 5 pairs of chromosomes, AaBbCcDdEe, could produce 2^5 or 32 gametes: aBCDE, AbCDE, ABcDE, etc.
8 0
3 years ago
Main three layers of earth
ddd [48]

Answer:

Mantle, Core, and Crust.

Explanation:

The dense, hot inner core (yellow), the molten outer core (orange), the mantle (red), and the thin crust (brown), which supports all life in the known universe. Earth's interior is generally divided into three major layers: the crust, the mantle, and the core.

<em>Hope I helped, Have a nice day!</em>

<em>       -Aadi x</em>

6 0
3 years ago
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Which is a difference between eukaryotic and prokaryotic cells? A. Nucleus, A. Cell membrane, C. Cell wall, D. Cillia
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Answer:

Nucleus is a difference between eukaryotic and prokaryotic cells because nucleus is present in eukaryotes and nucleoid also called genophore / prochromosome is present in prokaryotes.

7 0
3 years ago
What is the full meaning of UPS​
Flura [38]
UnitedStates postal service
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Describe one potentially serious reproductive health illness facing males and one potentially serious reproductive health illnes
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Prostate cancer is one of the most common types of cancer that affect the men. The prostate is a small walnut-shaped gland in men, located below the bladder which produces the seminal fluid that nourishes and transports sperm. Prostate cancer occurs when abnormal cells develop in the prostate and lead to symptoms such as trouble urinating, decreased force in the stream of urine, erectile dysfunction, blood in semen etc. The causes are unknown but factors like age and obesity can contribute to the development of this cancer. The abnormal cells can spread (metastasize) to other parts of the body.

<span>Endometriosis is an often painful disorder that affects women. It is a disorder in which tissue (the endometrium) that normally lines the inside of your uterus grows outside it. Endometriosis might involve ovaries, fallopian tubes and the tissue lining the pelvis. Irritations of the surrounding tissue can develop scar tissue and adhesions (bands of fibrous tissue) that can cause pelvic tissues and organs to stick to each other. The main problem which appears as a consequence of endometriosis is infertility. The food thing is that there are effective treatments.</span>

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