Una especie de pájaro del hemisferio norte tiene un pico con sus mandíbulas cruzadas hacia la derecha o hacia la izquierda, lo que le permite abrir las piñas de las coníferas y alimentarse de las semillas. Pero no se observa ningún ave de la especie con el pico sin cruzamiento de las mandíbulas. ¿Qué tipo de selección natural ocurre?

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim

Time remaini 02: 50: 5 in the farewell speech, queen elizabeth's use of first-person point of view her to appear to be impartial and objective prevents her from addressing the audience directly allows her to share her personal thoughts and ideas, makes it seem as though she's observing from the outside, mack this and return save and evit

1. fold your hands together so your thumbs cross over ,and look at your thumbs. which thumb feels most "comfortable" on top is actually controlled by a gene. the left thumb folding over the right thumb is a domi