Si al cabo de varias generaciones se observa en la descendencia una proporción fenotípica de 50% y 50%, es razonable decir que los genotipos de los padres son: 1 punto homocigoto recesivo x homocigoto recesivo. heterocigoto x homocigoto recesivo. homocigoto dominante heterocigoto. heterocigoto x heterocigoto. homocigoto dominante x homocigoto recesivo.

Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?

Plz quick a natural resource that is replaceable through a cycle in nature or sustainable practice is called a? the subject is science

Read this summary of a scientific theory: "cells are the most basic structural and functional units of life. all living organisms are made up of one or more cells. all cells that are alive in the world today came from pre-existing cells." which of the following would require this theory to be modified? -a.) a survey finds that a majority of people believe viruses carry out the basic processes of life. -b.) a prominent scientist says she feels strongly that one day the theory will be challenged by life on other planets. -c.) the dna of unicellular and multi-cellular organisms is shown to have many fundamental similarities. -d.) scientific observations show that microscopic organisms living in the deep ocean are not made up of cells.