The number of species on Earth tagged at 8.7 million as of 2011.
Answer:
Organisms respond to a signal called a stimulus.
Explanation:
Answer:
It's probably 50%
Explanation:
Since Bb is repeated twice, it is 50%.
Hope this helps!
Usually blood transports nutrients
When the human body (its cells) is exposed to radiation (X rays and gamma rays), electrons are emitted from atoms and molecules. ... ・These radicals react immediately with surrounding atoms, causing abnormal chemical reactions (or, minor damage to localized areas of cells).
