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stepan [7]
2 years ago
13

D

Biology
1 answer:
bixtya [17]2 years ago
8 0
D, C, and the last one i think
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Which characteristics describe the troposphere? Select two options.
kiruha [24]

Answer:

its a and c

Explanation:

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3 years ago
Si una población crece mucho otra vez después de un cuello de botella con el paso del tiempo aumentará diversidad genética ¿por
sammy [17]

Answer:

los mecanismos capaces de generar diversidad actúan para incrementar la variabilidad genética en la población que sufrió el cuello de botella

Explanation:

Un cuello de botella se refiere a una reducción drástica en el tamaño de una población (por ejemplo, debido a una catástrofe natural). Un cuello de botella es un fenómeno que está asociado a la ​reducción en la variación genética y fijación de ciertos alelos en la población resultante, lo cual es causado por la deriva genética, es decir, debido al muestreo al azar de los individuos que formarán la población en la siguiente generación. Paulatinamente, los mecanismos capaces de generar variabilidad genética aumentarán nuevamente la diversidad de la población que sufrió el cuello de botella. En una población de reproducción sexual, la variación genética se genera mediante cuatro procesos diferentes: 1-mutación (es decir, la aparición de nuevos alelos debido a alteraciones en la secuencia de ADN); 2-recombinación (es decir, el intercambio de información genética entre cromátidas no hermanas durante la meiosis); 3-segregación independiente de cromosomas durante la meiosis (capaz de producir nuevas combinaciones de alelos) y 4-fertilización al azar (lo cual también incrementa el número de combinaciones entre gametos que darán lugar a un nuevo individuo).

4 0
3 years ago
Directions: On the line before each definition, write the letter of the term that matches it correctly. Each term
PolarNik [594]

Answer:

1. = G

2. = B

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Explanation:

6 0
3 years ago
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Elodia [21]

Answer:

An organism is able to produce sweat so that it cools off which helps it to cool down when exposed to high temperatures.

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An organism stores fat as an insulator.

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