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Alexeev081 [22]
3 years ago
7

To what organ does the umbilical vein lead

Biology
1 answer:
Romashka [77]3 years ago
6 0
The umbilical vein connects the placenta of the mother to the growing fetus's opening of the stomach. This cord connects the baby to its mother. Its primary function is to carry oxygenated blood to the fetus. <span>The average cord is about 50cm (20 inches) long.</span>
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Select all of the answers that apply.
Paraphin [41]
The four laws or principles that are involved with the study of Stratigraphy are the following:
1. Principle of original horizontality
2. Law of superposition
3. Law of crosscutting relationships
4. Principle of Lateral Continuity
5. Principle of Faunal Succession 
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Therefore, the correct answers would be 1, 2 and 4. Hope this answer helps.
3 0
3 years ago
Which of the following statements correctly identifies a way in which prokaryotic cells are different from eukaryotic cells?
Taya2010 [7]

Answer:

Prokaryotic cell has undeveloped nucleus but eukaryotic cell has well developed nucleus.

4 0
3 years ago
Showing change in the composition of a population's gene pool demonstrates that evolution has occurred.
Anna11 [10]
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8 0
3 years ago
The net primary production of a pine forest on a lava flow on Mount Fuji is about 165,000 kcal/m2/yr, and the plant respiration
IceJOKER [234]

Answer:

<em>The total amount of energy transferred during photosynthesis for this ecosystem equals</em><em> 260,000 kcal/m2/yr.</em>

Explanation:

To answer this question, we need to know that  

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So, to calculate GPP we need to sum NPP to Respiration rate. This if,

NPP = 165,000 kcal/m2/yr

R = 95,000 kcal/m2/yr

NPP = GPP – Respiration

Then,

GPP = NPP + R

GPP = 165,000 kcal/m2/yr + 95,000 kcal/m2/yr

GPP = 260,000 kcal/m2/yr

7 0
3 years ago
Which is the correct order of the parts through which urine flows in a nephron?
dexar [7]
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5 0
3 years ago
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