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Evgen [1.6K]
3 years ago
7

On a recent field trip, you discover a new species of plant. Since you are interested in plant reproduction, you rear the plant

over several generations to study its life cycle. All of the reproductive cells you collect are haploid; however, those formed by meiosis are able to develop directly into a new plant, while those formed by mitosis are unable to do so. You conclude that the haploid cells formed by mitosis are __________.
Biology
1 answer:
ladessa [460]3 years ago
4 0

Answer:

Gametes

Explanation:

The given plant has a haploid plant body. Haploid gamete mother cells undergo mitosis and form haploid gametes. The gametes should be fused together to give rise to a diploid zygote. The diploid zygote then undergoes meiosis and gives rise to the haploid plant body.  

The haploid plant body bears haploid gamete mother cells and the process continues. The given plant exhibits zygotic meiosis and forms gametes by mitosis.  

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Based on the anatomical and physiological differences between an infant and an​ adult, which finding would suggest respiratory d
frosja888 [35]

Answer: Excessive movements of the walls of the  abdomen

Basically babies belly breathe, that is they undergo abdominal pattern of respiration( instead of the abdomino- thoracic pattern in  adult), through their abdomen.

<u>This is because,  their thoracic walls are not fully functional to undergo  the normal adult mechanisms  of breathing</u>.

<u>The ribs are short in length due to incomplete ossification. They curve out wards, at low angle, their sternum, is shaped horizontally.</u>

These features reduce the activities   of the inter coastal muscles and the thoracic cage  in the mechanism of  infants breathing,compare to the long ribs, obliquely shaped rib cage,  with lower  sternum  of  adult which  permit the  abdominal-thoracic  breathing pattern.

Therefore ,when the diaphragm distends during breathing ,its movement pushes the organs of the abdomen down; because infants have rapid respiratory  rates, the distends created  rapid  expansion and contraction of the walls of the abdomen to gain enough abdominal pressure.

This together with the movement of  organs of the abdomen   from  the  pathways of diaphragm  created the  excessive  movements of the abdominal walls. This rapid abdominal wall movements creates discomfort and distress for the infant during this mechanisms.

Explanation:

7 0
3 years ago
Can someone help me with that question
Nadya [2.5K]

Answer:

fine details such as the wings, legs and other fragile structures are preserved effectively giving us a window into how the preserved organism would have appeared in life. without the presence of amber, we wouldn't be able to examine a majority of small prehistoric organisms.

Explanation: amber is able to preserve a snapshot of the ancient world in ways that other forms of fossilization simple fails to do. while an imprint of a feather could be preserved in rock the actual feather could be captured within amber. Amber also preserves small organisms that otherwise would have been lost to time such as the insects seen in the photo above.  And much like the gecko seen below it can show us how these organisms truly appeared in life.

7 0
2 years ago
What are two differences between DNA and RNA
Cerrena [4.2K]
Another difference would be that DNA contains the 5 carbon sugar deoxyribose while RNA usually contains the 5 carbon sugar of ribose. One differs from the other, as ribose has an additional hydroxyl group bonded to one of the carbon atoms, where as deoxyribose does not.
4 0
3 years ago
You plug in an extension cord and have to be very careful around the electrical outlet. However, you can handle the extension co
Amanda [17]
You can not worry about being shocked due to the cord being insulated not allowing the voltage to go through you but the cord
8 0
3 years ago
Read 2 more answers
The body produces antibodies complementary to foreign antigens. The process by which the body comes up with the correct antibodi
lys-0071 [83]

The question is incomplete as it does not have the options which are:

  • going to a tailor and having a suit made to fit you
  • selecting a lottery prize-winner by means of a random drawing
  • going to a shoe store and trying on shoes until you find a pair that fits
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  • picking out a video that you haven't seen yet

Answer:

Going to a shoe store and trying on shoes until you find a pair that fits

Explanation:

Antibodies are the immunoglobulin molecules secreted by the B cells which help the body providing the immunity as they interact with the antigen and help immune system to produce a response.

The variety of the B cells are produced by the body in response to different antigens which produce different type of antibodies. This interaction of antigen and antibodies is known as the complementation and just appear like if you are going to a shop to buys a pair of shoes and tries different shoes  to find the best shoe of best size.

Thus, the selected option is correct.

4 0
3 years ago
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