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BARSIC [14]
3 years ago
15

Which of the following best describes what most experts believe about Homo sapiens?

Biology
1 answer:
Oduvanchick [21]3 years ago
8 0
A. they arose out of Africa less than 200,00 years ago
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What is a replicative genome?<br><br> help plssss
EleoNora [17]

Answer:  Genome is the haploid set of chromosomes in a gamete or microorganism, or in each cell of a multicellular organism. Replicative is relating to or involving the replication of genetic material or living organisms.

Explanation:

So Replicative Genoes are genomes that are able to replicate its own genetic material.

3 0
2 years ago
The movement of a plant's leaves to face the sun as it moves across the sky is an example of
leonid [27]
The answer is c. heliotropism. Hope this helps. 
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3 years ago
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FROM THE LUNGS, BLOOD COMES BACK TO THE HEART. DESCRIBE THE PATH THIS BLOOD FOLLOWS UNTIL IT ENTERS THE AORTA.
Mrac [35]
Oxygen and carbon dioxide travels to and from tiny air sacs in the lungs, through the walls of the capillaries, into the blood. Blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs. Blood leaves the heart through the aortic valve, into the aorta and to the body.
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3 years ago
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A decrease in GFR will cause __________.
lara [203]
<h2>GFR </h2>

Explanation:

A decrease in GFR will cause lower Na and Cl ion concentration in the distal tubule

  • GFR stands for Glomerular Filtration Rate
  • The rate at which kidneys filter blood is called the glomerular filtration rate
  • The main driving force for the filtering process, or outward pressure is the blood pressure as it enters the glomerulus which is counteracted to some extent by inward pressure due to the hydrostatic pressure of the fluid within the urinary space, and the pressure generated by the proteins left in the capillaries that tend to pull water back into the circulatory system (colloidal osmotic pressure)
  • The net filtration pressure is the outward pressure minus the inward pressure
7 0
3 years ago
How long after the formation of Earth did the first life appear?
djyliett [7]

Answer:

4.54 billon years

Explanation:

the earliest time that life forms first appeared on Earth is at least 3.77 billion years ago possibly as early as 4.28 billion years

6 0
2 years ago
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