Which is the waste product formed during the the krebs cycle ? 1. acetic acid 2. carbon dioxide 3. fadh2

Which kind of aquatic ecosystem does the photograph most likely show? a. marsh b. swamp c. lake d. river

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.

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these