The heads of the phospholipids, which are positioned outwards on both layers, are hydrophilic. The trails of both layers are hydrophobic and face inwards, and protected by the outer layers.
Sugars, or carbohydrates, have two major functional groups: an aldehyde or a ketone (both are collectively called carbonyls), and an alcohol functional group. Carbohydrates generally have multiple alcohol functional groups, so we never focus on those.
Tropical ecosystems provide a more open weather and climate than temperate zone ecosystems. Many Tropical ecosystems have a moderate climate the mostly stays the same, which allows most animals in that habitat to have comfort, rather than migrating.
No Predetors will go for any easy prey young sick injured old ect.