The table lists three tests used to detect the presence of certain substances. Which test
would identify a large biomolecule that is broken down to create one of the pieces required
for cellular respiration?
Test
Substance Detected
Emulsion
Lipids
Biuret
Proteins
lodine
Starches (Carbohydrates)

Where substance is produced during cellular respiration

The bacteria inside a tube worm would be analogous to what organism in the ocean ecosystem near the waters surface? a. photosynthetic algae b. shrimp c. clown fish d. parasitic lamprey

Which statements explains what the fossil records indicates? check all that apply. a) earth is 4.5 billion years old b) many organisms have become extinct c) mammals have always existed on earth d) mass extinctions have occurred several times on earth e) the amount of water on earth has decreased over time?