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lukranit [14]
3 years ago
13

Which is an immune system

Biology
2 answers:
Aloiza [94]3 years ago
3 0

Answer:

"The immune system is made up of special organs, cells and chemicals that fight infection (microbes). The main parts of the immune system are: white blood cells, antibodies, the complement system, the lymphatic system, the spleen, the thymus, and the bone marrow."

Explanation:

iragen [17]3 years ago
3 0

Answer:

Explanation:the immune system is the system that protects against harmful bacteria and disease

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4. Which of the following is NOT part of the axial skeleton?
mel-nik [20]

Answer: b pelvic

Explanation:The pelvic is lower down the skeleton

3 0
3 years ago
Flower color in snapdragons results from the amount of the pigment anthocyanin in the petals. Red flowers are produced by plants
USPshnik [31]

Answer:

The genotypes found in the F2 offspring will be An1An1, An1An2 and An2An2.

Explanation:

In the example given in the question, the color of the petals of snapdragon flowers are given with the An1 allele having full activity and the An2 allele being the null allele. For the F1 offspring, two snapdragon flowers are crossed, one with red petals which is An1An1 and one with ivory petals which is An2An2. All the genotypes for the F1 offspring will result in An1An2.

Then using this F1 offspring, the F2 offspring is found and the genotype of the F2 offspring will be An1An1 / An1An2 / An1An2 / An2An2.

So the genotypes found in the F2 offspring will be An1An1, An1An2 and An2An2. One red petal snapdragon, 1 ivory snapdragon and 2 pink snapdragons.

I hope this answer helps.

8 0
3 years ago
Help with junior biology assignment.
uysha [10]

Answer:

1.

a)dd

b) dd

c) 0%

2.

a) 25%

b) 75%

c) 25%

3.

a) 03

b) 0

c) tt

4.

a) FF x ff OR FF x Ff OR FF x FF

b) Because all the children have freckles

5.

a) 4:0

b) 100%

6.

a) 50%

b) Bb

c) 3 out of 6 (including parents)

8 0
2 years ago
The graph below shows how the numbers of two different organisms in a forest changed over time. The changes in population sizes
nadya68 [22]

Answer:

its d dude

Explanation:

5 0
2 years ago
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Which statement is true about flood risk in the United States? Floods happen every few years and are usually only mild. Floods h
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<span>Floods are the country's number one natural disaster.</span>
5 0
3 years ago
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