I believe that is false. The canopy can block 95% of the light. I might be wrong about which kind of forest though.
Answer:
archaeabacteria ( context clues can often give the answer :)
Heroin, Oxycodone, Oxymorphone, Hydromorphone.
These are some.
<span>the main difference between the two is ivertebrates doesnt have no backbone or spinal cord... vertebrates do have a back bone like humans</span>