Answer:
Pilus.
Explicación:
Pilus es la estructura que se encarga de transferir el plásmido entre las células bacterianas. Un pilus es un apéndice con forma de cabello que se encuentra en la superficie de muchas bacterias y arqueas. Esta estructura de pilus es responsable de la transferencia de plásmido de una célula a otra. Esta transferencia de plásmido de una célula bacteriana a otra se llama conjugación bacteriana, por lo que podemos concluir que el pilus es la estructura o apéndices que causa la transferencia de plásmido.
Answer:
I'm pretty sure its blastomeres <3
Explanation:
I can answer the third one:
Photosynthesis takes place in two stages<span>: light-dependent reactions and the Calvin cycle (light-independent reactions).</span>
With shorter necks, giraffe ancestors could not reach food-containing branches on tall trees. This resulted in the directional selection of giraffes with longer necks.
<h3>
Why is choosing a direction necessary? </h3>
It nearly appears obvious that the giraffe's long neck developed as a result of a lack of food in the lower branches of trees. The giraffe has a significant advantage because it is taller than any other mammal and can feed where few others can.
When compared to modern giraffes, the giraffe's ancient predecessors had a shorter neck. The plants that were lying at a higher level were inaccessible to them. Giraffe phenotypes have changed in various ways, and now have long necks to reach vegetation that is higher up. The extreme form is chosen above other features in directional selection. It was decided to choose the long-necked giraffe over the short-necked.
To know more about direction selection for longer necked giraffes visit:
brainly.com/question/3738222
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Here is the definition
<span>
an unborn or unhatched offspring in the process of development.</span>
