Phosphorus, one of the most important elements in life, is found in

a. dna
b. sugars
c. proteins
d. all organic compounds

Which of the following is not a defining characteristic of plants?

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.

All organisms contribute some water to the water cycle by conducting