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blsea [12.9K]
3 years ago
12

Who observed that some species possess vestigial structures, such as finger bones in the flippers of manatees and similar bones

in whale flippers?
Biology
2 answers:
Inga [223]3 years ago
7 0

Answer:

My gut answer would be Charles Darwin

Explanation:

Lina20 [59]3 years ago
7 0
It was Charles Darwin
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What is the history of Galápagos Islands? I need help!
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Hello LonelyPerson, to answer your question.
The Galápagos were officially annexed by Ecuador in February 12 1832 and were named "Archipelago del Ecuador.". It is still today officially a province of Ecuador. Ecuador claimed the <span>Galápagos Islands</span> just three years before their most famous visitor, Charles Darwin, dropped anchor on the Beagle and stepped ashore and into history.

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3 years ago
Endometriosis occurs when endometrial tissue, which normally grows inside the uterus, grows outside the uterus. Based on the mod
Gnesinka [82]

Answer:

Endometrosis could negatively affect the probability of gestating an embryo if they are growing inward. The affection of the fallopian tubes and the uterus could alter the implantation or even generate complications for the embryo during pregnancy.

In addition, endometriosis generates painful conditions in the abdominal area to the point that it is considered as menstrual cramps during menstruation, women who suffer from this disease suffer a lot during the menstrual cycle.

Regarding the reproductive system, those female reproductive systems that suffer from this disease are considered potentially malignant, since many malignant neoplasms are incited to appear in these foci of excessive proliferation of the endometrium.

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Alik [6]

Answer:

is the higher number of a blood pressure reading.

Explanation: systolic blood pressure is the higher number of a blood pressure reading and its measure in millimeter of mercury.

Systolic pressure is the amount of pressure in the arteries when contraction takes place in heart. Diastolic pressure is the pressure the heart when it relaxes. It is the lower number of blood pressure reading

When the systolic pressure is >120mm Hg and diastolic is less than 80mm Hg it is normal

120-129mm Hg and diastolic less than 80mm Hg it high and such person needs a regular medical check up

But when systolic 129-139 mmHg

and diastolic is 90mm Hg or above it means the individual is having hypertension stage 1

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3 years ago
What purpose does a fish ladder serve
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Answer:

a series of pools built like steps to enable fish to bypass a dam or waterfall.

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A fish ladder, also known as a fishway, fish pass or fish steps, is a structure on or around artificial and natural barriers to facilitate diadromous fishes' natural migration.

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Which of the following is not a nucleotide? <br>GTP <br>ATP <br>RNA<br> CAMP​
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the following is not a nucleotide is RNA

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