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-BARSIC- [3]
3 years ago
11

Quel est l'organisme en développement des animaux?

Biology
1 answer:
Vladimir [108]3 years ago
6 0

Ils se produisent à travers quatre étapes essentielles du développement animal précoce: Fertilisation: processus consistant à combiner un seul spermatozoïde avec un seul ovule pour former un zygote. Clivage: cycles multiples et rapides de division cellulaire mitotique où la taille globale de l'embryon n'augmente pas. L'embryon en développement est appelé blastula une fois le clivage terminé. Gastrulation: le réarrangement (mouvement) spectaculaire des cellules de la blastula pour créer les couches de tissu embryonnaire. Ces couches de tissus continueront à produire les tissus et les organes de l'animal adulte. Organogenèse: processus de formation d'organes et de tissus via la division et la différenciation cellulaire.

They occur through four essential stages of early animal development: Fertilization: the process of combining a single sperm with a single egg to form a zygote. Cleavage: multiple and rapid cycles of mitotic cell division where the overall size of the embryo does not increase. The developing embryo is called a blastula after cleavage is complete. Gastrulation: the spectacular rearrangement (movement) of the blastula cells to create layers of embryonic tissue. These layers of tissue will continue to produce the tissues and organs of the adult animal. Organogenesis: process of organ and tissue formation via cell division and differentiation.

<em><u>I </u></em><em><u>used</u></em><em><u> </u></em><em><u>Google </u></em><em><u>tr</u></em><em><u>anslate</u></em><em><u> </u></em><em><u>for</u></em><em><u> </u></em><em><u>this</u></em><em><u> </u></em>

<em><u>j'ai utilisé google translate pour cela</u></em>

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Increased force output of the synergists for hip extension to compensate for the weakened gluteus maximus is an example of which
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Answer:

b. Synergistic dominance

Explanation:

The stabilizing muscles will always be <u>synergistic</u>, since only from the synergies (hence the term synergist) that arise from joint work is efficient and controlled movement possible. However, not all synergists will be stabilizers. Stabilizer will be one that, thanks to the geometric arrangement of its fibers, will have the ability to maintain alignment in the joint and stable the axis of rotation.

In the case of knee extension, we would have as stabilizers all the antagonists who, because the flexion axis is virtual and not physical, must maintain the stability of said axis. If the axle were physical, such as the wheel in a horse carriage, or on a skateboard through the bearings, the antagonistic muscles would not be necessary for this purpose, because the fixed axis would maintain the position. Since the joints of living beings do not have a fixed physical axis, it is the muscles themselves, specifically the antagonists, who must be responsible for maintaining the stability of the joint creating a virtual axis on which rotation occurs.

3 0
3 years ago
Does cell division and cell differentiation happen in organisms other than human?
yaroslaw [1]

Answer:

Yes.

Explanation:

Cell division & differentiation also happens in animals and plants, and is not limited to just human beings.

6 0
3 years ago
What could potentially happen if an intramuscular vaccine is administered too high?
sweet [91]
An intramuscular injection is a technique delivering a medication that is deep into the muscles. If intramuscular is administered too high then the efficacy of the vaccine might be reduced as it is not injected in the right site. It might also cause to injure blood vessels so it should be injected in the correct site and depth.
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4 years ago
Hamilton’s rule states that:
Papessa [141]

Answer:

The correct answer is option D.

Explanation:

Hamilton rules state that any trait that helps in benefiting others, B, is multiplied by genetic relatedness, R, which is greater than cot to self, C, it is favored by the process of natural selection.

As indicated by Hamilton's rule, the kin selection makes qualities increment in recurrence when the hereditary relatedness of a beneficiary to an actor multiplied by the advantage to the beneficiary is more noteworthy than the regenerative expense to the actor.

Thus, the correct answer is option D.

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3 years ago
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Answer:

Stratosphere                                                                                                                                        

Explanation:

6 0
3 years ago
Read 2 more answers
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