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Elena L [17]
3 years ago
5

PLEASE HELP!!!!!! NEED ASAP

Biology
1 answer:
77julia77 [94]3 years ago
8 0
When new evidence or a new way of thinking is brought up in regards to a specific matter, if said person isn’t willing to change their ways of thinking or it becomes very personal to them, they will have a difficult time changing with the times. This could possibly hold back new discoveries and halt new findings in the scientific community.
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To keep a species from getting genetic diseases and inbreeding over time, new
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Answer:

Genetic drifts and meiosis

Explanation:

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Drugs to reduce the risk of rejection are given to organ transplant patients because patients because the donated organ contains
leonid [27]

The answer is; cell surface receptors that are recognized as antigens by the recipient's immune system.

Therefore the organ is attacked as a foreign substance . This is why organ transplants are given by the closest family member to reduce the antigen variability that causes transplant rejection.  Tissue typing is done to ensure that the organ or tissue is as similar as possible to the tissues of the recipient.


3 0
3 years ago
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The absorption of carbon dioxide from plants can be analyzed via satellite. In the image below, green represents land areas wher
Vitek1552 [10]

The correct answer is option d, that is, there is a forest where many trees are absorbing carbon.

The tendency of the forests to absorb carbon dioxide is associated with numerous elements, that is, how the forests are managed, the age of the trees, the nutrient content of the soil, the local environment, and the level of precipitation.  

It has been found that the established forests, that is, found from the boreal forests in the north to the tropical rainforests in the south, captivates about 8.8 billion tonnes of carbon dioxide in a year.  


5 0
3 years ago
Read 2 more answers
) During the germinal period, the fertilized ovum duplicates and forms a blastocyst. This hollow ball of cells ________.
Vedmedyk [2.9K]

Answer:

C - Contains the embryonic disk

Explanation:

After an egg is fertilized, it begins to divide into smaller cells, from the 1 cell stage, to 2, to 4 and so on. Then, on the third day, the cells fall within 16-200 cells and it is then called a <em>morula</em>.

On the fifth day, the morula becomes a ball of calls which is now differentiated into an <em>inner cell mass and a trophectoderm</em>. The inner cell mass becomes the <em>embryo</em> as development goes on and the trophectoderm, becomes the <em>placenta</em>.

As development goes on further, the floor of the amniotic cavity is formed by the embryonic disk, a layer of prismatic cells derived from the inner cell mass.

The embryonic disc develops into 3 layers:

  • Endoderm
  • Mesoderm
  • Ectoderm

There is a major differentiation of cells which gives a template  for the origin of development of specific organs of the embryo.

3 0
3 years ago
What THREE traits do pcculations have that allow for natural selection?<br> 3F
natita [175]

Answer:

a struggle for existence, variation and inheritance. These are said to be the necessary and sufficient conditions for natural selection to occur.

Explanation:

6 0
2 years ago
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