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Ber [7]
3 years ago
10

Example of natural system of classifying organisms​

Biology
1 answer:
Kaylis [27]3 years ago
7 0

Answer:

In natural system of classification of Organisms, homology is brought out through the study of internal and external characters. Homology is the relationship of comparable structures having been derived from a common form.

For example, the fore arm of different land vertebrates has the same pentadactyl constitution.

Explanation:

pls mark brainliest

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What is the most important property of water?
Licemer1 [7]

Answer:

One of water's important properties is that it is composed of polar molecules: the hydrogen and oxygen within water molecules (H2O) form polar covalent bonds.

Explanation:

8 0
2 years ago
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Which of the following is not an example of an abiotic factor?
brilliants [131]
Since we can't see your choices we can only do so much to help you unfortunately. However, the word abiotic means non living. So if it's saying which is NOT an example of an abiotic factor, then your answer would be the choice that has to do with living. For example, plants, animals, etc.
6 0
3 years ago
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List the eight different systems of the human body:
seropon [69]
<span>The circulatory, immune, skeletal, excretory, muscular, endocrine, digestive, nervous and respiratory.  those are the eight systems of the human body.</span>
6 0
3 years ago
Each ABO blood group is associated with the presence/absence of RBC antigens and the presence/absence of antibodies in the plasm
harina [27]

Answer:

a. Type O blood - No A or B antigens on RBCs-Anti-A antibodies in plasma-Anti-B antibodies in plasma

b. Type A blood - A antigen on RBCs- Anti-B antibodies in plasma

c. Type B blood - B antigen on RBCs- Anti-A antibodies in plasma

d. Type AB blood - A antigen on RBCs- B antigen on RBCs- Neither anti-A or anti-B in plasma

Explanation:

ABO blood grouping system represents multiple allelism which was discovered in humans by Karl Landsteiner. The blood group is determined by the presence or absence of A & B antigens and antibodies.

The 4 blood groups which exist in ABO system are O, A, B and AB. Also, allele A and B are co-dominant i.e. if they both will exist on the surface of an RBC then both will be equally expressed which implies that there will be no dominant or recessive allele.

Type O blood group has H antigen on the surface of RBC and has both the antibodies i.e. antibody A and B. The absence of antigens A and B makes it a universal donor.

Type A blood group has A antigen on RBC and has antibody B in the plasma.

Type B blood group has B antigen on RBC and has antibody A in the plasma.

Type AB blood group has both the antigens i.e. antigen A and B on RBC and does not have any antibody in the plasma which makes it a universal acceptor.

3 0
3 years ago
If you visited a savanna you would most likely see
SCORPION-xisa [38]
You would probaly see a lot of grazing herbivores ( plant-eating animals ) 
You would also see cold-blooded animals such as snakes and insects since it is hot in the day and cold at night 
6 0
3 years ago
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