Answer: A) sporopollenins
Explanation: Sporopollenin is one of the most chemically inert biological polymers. They contain mainly long chain fatty acids, phenylpropanoids, phenolics and traces of carotenoids. They make up the outer wall of pollen grains, spores and many microorganisms.
Well, you could use a stopwatch to measure the times of each swimmer.
Answer:
yes
Explanation:
that is the answer I think so.
It would be c. More co2 means more radiation from the sun.
The unique property of an echinoderm within higher invertebrates is their radial symmetry. These echinoderms include the famous starfish, sea urchin, sand dollars, sea cucumbers, and sea lilies. They are found at the ocean depth, form the intertidal zone to the abyssal zone.
