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user100 [1]
3 years ago
12

Human blood is classified as either Rh+ or Rh-. Blood is also classified by type: A, if it contains an A antigen but not a B ant

igen; B, if it contains a B antigen but not an A antigen; AB if it contains both A and B antigens; and O if it contains neither antigen. Draw a Venn diagram illustrating the various blood types. Based on this classification, how many different kinds of blood are there?
Biology
1 answer:
Burka [1]3 years ago
6 0

Answer:

yep

Explanation:

its right so pls like the explain

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NEED HELP with this science
zysi [14]

Answer:

I am not sure what you are asking but when pH is alkaline it will change the litmus paper to that blue color.

3 0
3 years ago
why is it important that the cells that combine in sexual reproduction are haploid cells and not diploid cells
podryga [215]

haploid sex cells have only 23 chromosomes in humans, so when they join, they create one cell that has the full 46 chromosomes.
7 0
4 years ago
Identify part A, B and C. What is the function of part B?
Brilliant_brown [7]
A-fallopian tubes
B-uterus
C-ovaries

The uterus is the place where the fetus develops
4 0
3 years ago
Answer asap!!!!!!!
Sloan [31]

Answer:

(D) Dappled or partial sunlight

Explanation:

A plant need a certain amount of sunlight so D would fit the most.

6 0
2 years ago
In the case of the peppered moths in England, when Kettlewell set up cameras to document that more white or black moths were eat
a_sh-v [17]

OPTIONS:

a. The organisms vary in trait

b. The variation is inherited

c. More young are born than can survive

d. Some individuals are better adapted to the environment

Answer:

d. Some individuals are better adapted to the environment

Explanation:

Kettlewell’s biological experiment, which was conducted in England, was to study the evolutionary changes taking place in trees in relation to the appearance of dark-colored moth.  

It was observed that white moths were more common before the industrial revolution. After the industrial revolution, which changed the background of the environment of the moths due to pollution, the moths became easily seen and obvious to predatory birds.

It was discovered that peppered moths were selectively preyed on by birds depending on their body color, which serves as the most important factor that determines if moths can survive predation by blending with the background of their environment. This led to the evolving of moths of their color to blend with the background of their environment, which makes them hide from the birds that prey on them.

Kettlewell was trying to verify the factor in evolution by natural selection, which says, “some individuals are better adapted to the environment”.

7 0
4 years ago
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