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Biology

1 answer:

marissa [1.9K]3 years ago

6 0

Answer:

Explanation:

Energy is transferred between the Earth's surface and the atmosphere in a variety of ways, including radiation, conduction, and convection.

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Texto donde se desarrolle la definicion de seleccion natural. Además, empleem los siguientes terminos: Variabilidad, mecanismo s

SOVA2 [1]

Answer:

la selección natural es el mecanismo principal por el cual la evolución ocurre

Explanation:

Charles Darwin fue un naturalista inglés que propuso la teoría de la evolución o 'descendencia con modificación' mediante el mecanismo de selección natural. Acorde a esta teoría, la selección natural se define como el mecanismo selectivo de reproducción diferencial de los individuos mejor adaptados a su ambiente. La variabilidad es el la materia prima sobre la cual la selección natural actúa, seleccionado aquellos individuos que presentan combinaciones fenotípicas y genotípicas más adaptadas para sobrevivir en un ambiente en particular. Los individuos de una población que son 'superiores adaptativamente' poseen más chances de sobrevivir y reproducirse, y por lo tanto tienen también más probabilidades de transmitir sus genes a la siguiente generación.

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3 years ago

Which legs for a frog are used for jumping?

mario62 [17]

The hind legs, I believe. That's why they are longer and stronger.

7 0

3 years ago

Carrot slices placed in a 0.2 M salt solution for several hours become flaccid (limp). Carrot slices placed in fresh water for s

SpyIntel [72]

<h2>Carrot in 0.2M salt solution</h2>

Explanation:

Carrot cuts put in 0.2M salt answer for a few hours gets flabby (limp).
Carrot cuts set in freshwater for a few hours gets <em>turgid (firm).</em> From this, we can conclude that such as.

Freshwater is hypertonic and the salt arrangement is hypotonic to the cells of the carrot cuts.
<em>Freshwater and salt arrangement are both hypotonic</em> to the cells of the carrot cuts.
Freshwater is isotonic and the salt arrangement is hypertonic to the cells of the carrot cuts.
<em>Freshwater is hypotonic</em> and the salt arrangement is hypertonic to the cells of the carrot cuts.
Freshwater and the salt arrangement are <em>both hypertonic to the cells of the carrot cuts.</em>

5 0

3 years ago

Do you think there’s enough evidence to suggest that parthenogenesis alone will save the sawfish? Explain your answer.

quester [9]

Answer:

yes their is

Explanation:

I don,t really know how to explain my answer

5 0

3 years ago

Read 2 more answers

1. What does your body do to infected cells?

Shkiper50 [21]

Answer: White blood cells form to fight off cell infections.

Explanation:

1. Your body produces white blood cells which fight against infected cells, depends on what type of cell it is and how infected it is.

2. The immune response to a viral infection is primarily generated by a type of white blood cell called lymphocytes; cells that are mostly localized in ‘lymphoid tissues’ such as the lymph nodes or tonsils. However, the number of lymphocytes that can recognize and react against any individual type of virus is initially very small. This is particularly true for a novel virus such as SARS-CoV-2, which people have never encountered before. In order to produce an effective immune response, the small number of lymphocytes that can recognize a virus must become more abundant. Even though lymphocytes proliferate quickly it still takes several days before there are sufficient cells available to fight back against the infection. During this period the virus may also be spreading rapidly, so there is a race between the virus and the immune system that may determine the final outcome, in terms of recovery.

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3 years ago