Invertebrates
in- = not
vertebra = spine
Answer:
1- The polar section of a phospholipid is the part with the phosphate group. This is sometimes called the polar head of the molecule.
2- The phosphate group is the negatively-charged polar head, which is hydrophilic. The fatty acid chains are the uncharged, nonpolar tails, which are hydrophobic.
Explanation:
Answer:
Community
Explanation:
It has two or more species within the same geographical area (Backyard) within the same time period.
False. Specific gravity usually means relative density with respect to water. [ ]
Earthworms have no special respiratory organs. Gases are exchanged through the moist skin and capillaries