En una isla oceanica aislada hay una especie de pájaros , la mayoria de plumaje gris . Una variedad con manchas blancas constituye el 4 % de la población . Esta característica se debe a una gene recesivo al del plumaje de color gris entero , en qué frecuencia se encuentra el gene ?

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

preservation because he preserves part of the land and preserves means save

explanation:

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.