Which of the following best describes the ploidy level of a fertilized embryo sac? a) all cells are diploid. b) all cells are triploid. c) all cells are polyploid. d) the ploidy level varies among species. e) there are haploid, diploid, and triploid cells.

What feature of cell theory is best demonstrated in the image

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.