Answer:
Every recognized species on earth (at least in theory) is given a two-part scientific name. This system is called "binomial nomenclature." These names are important because they allow people throughout the world to communicate unambiguously about animal species.
Variation and natural selection
Cellular respiration and photosynthesis both have water and carbon dioxide in their reactions.
Answer:
Implicit memory
Explanation:
Implicit memory does not require consciousness.
I am more of a chemistry person, but my best answer is the double-helix structure. The DNA rotate around a central point allowing it to keep a constant distance