Una raza de gallinas denominada andaluza, presenta plumajes de tres colores: negro, blanco y azul. El azul resulta de la combinación híbrida de los genes negro y blanco. Averigua los genotipos y fenotipos de la descendencia si se cruzan gallinas de plumaje azul con gallinas de plumaje negro.

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.

One reason scientists are trying to develop fuel sources from corn and sugar is because these sources are renewable fossil fuels are being depleted these crops can be widely grown all of the above