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BartSMP [9]
3 years ago
9

What is the metric unit for measuring length?

Biology
1 answer:
damaskus [11]3 years ago
5 0

Meters are correct you have centi, milli, kilo

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Which organelle is labeled A??? ^^ I’m sorry I honestly suck at biology lol
olga_2 [115]

Answer:

Vacuole

Explanation:

3 0
3 years ago
Read 2 more answers
the blood group b is almost absent in native americans, whose ancestors arrived in very small numbers about 1,000 years ago. whi
Andreyy89
"Founder effect" is the one factor among the choices given in the question that is responsible for this phenomenon. The correct option among all the options that are given in the question is the second option or option "B". I hope that this is the answer that has actually come to your great help.
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3 years ago
Compared to arteries, the velocity of flow of the blood through the capillaries is:______.
Nutka1998 [239]

Answer: D) much slower

Explanation:

The circulatory system, made up of arteries and veins, is fundamental to maintaining life. Its function is the delivery of oxygen and nutrients to all cells, as well as the removal of carbon dioxide and waste products, the maintenance of physiological pH, and the mobility of the elements, proteins, and cells of the immune system. An artery is each of the vessels that carry blood with oxygen from the heart to the capillaries of the body. They arise from a ventricle and their walls are very strong and elastic to resist the pressure that the blood exerts when it is pumped out of the heart.

Capillaries are very small diameter, thin-walled blood vessels connect small arteries (arterioles) to veins, allowing nutrients and oxygen to pass through to tissues.  The main function of the capillaries is the exchange of substances between the light of the capillaries and the cell interstice of the tissues.

When the blood reaches the capillary bed, the speed with which it circulates inside these vessels is very low. This is due to the fact that in a branching system of tubes, the speed decreases proportionally to the increase in the joint section of the branches. Thus, in the aorta, which has a small section, the speed is very high (400 mm/sec), it decreases at the level of the arteries and arterioles and at the capillary level it becomes minimal (0.1 mm/sec). <u>This fact, together with the thinness of the capillary wall, provides the necessary conditions of time and space for the exchange to take place in the most optimal way.</u>

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7 0
3 years ago
Most humans (and vertebrates, in general) are genetically "programmed" to produce a brown skin pigment known as melanin. Albinis
marin [14]

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The frequencies aa (Parental genotype male) and Aa (Parental genotype female, predict the frequencies of all genotypes and phenotypes expected  to result from the cross of an albino male with a heterozygous female.

5 0
3 years ago
Nvm I got the answer so its ok
Anna11 [10]
They evolve alongside each other, the predator evolves to become faster, better camouflage itself, immunity to the poison of a prey, and likewise the prey evolves to become faster to avoid the predator, camouflage to hide, poison to keep the predator at bay and this cyclic relationship continues with only the strongest and fastest of each species reproducing, just increasing the strengths of both animals.

The predator is almost always larger, and a carnivore.
With the prey generally being smaller and herbivore. 
7 0
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