<span>C) sex cells with half the original chromosome number.
Hope this helps!
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Overproduction
Most species produce more offspring than can survive.
Competition
Since living space and food are limited, organisms must compete for the necessities.
Variation
Differences between individuals in a population.
Adaptations
Any kind of inherited trait that improves an organism's chances of survival.
Natural selection
The environment selects organisms with optimal traits to be the parents of the next generation.
Speciation
Over many generations, favorable adaptations accumulate and may result in a new species.
Answer:
Iodine
Explanation:
Iodine is needed by animals because the body's metabolic rate is controlled by the action of an iodine hormone, called thyroxine, which is secreted by the thyroid gland in the neck.
If the animal fails to supply enough iodine through food to be able to make a normal amount of this compound, then the thyroid gland enlarges or expands trying to create enough, resulting in a common type of goiter.
Answer:
Si.
Explicación:
Sí, es posible utilizar nuestro cuerpo para realizar algún trabajo experimental con el fin de obtener más conocimientos sobre el cuerpo humano y sus respuestas. Estos experimentos ayudan a fabricar nuevos medicamentos y nuevos métodos para mejorar la salud del cuerpo. Sin realizar experimentos, no podemos conocer las diversas reacciones que ocurren en su cuerpo y sus beneficios en el cuerpo humano.
