In fruit flies, the color of the eyes is sex linked (on the X chromosome). A cross of the flies in the image will produce

a
100% white eyed flies
b
100% of the females with white eyes, 50% of the males with white eyes.
c
100% red eyed flies
d
100% of the females with red eyes, 100% of the males with white eyes.

How are fungi more like an animal? they have a cell wall. they are heterotrophs that absorb their food. they produce seeds and have membrane-bound nucleus. they use sunlight for photosynthesis.

The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the

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.