Answer:
physiological motivator
Explanation:
because when you buy a phone your physiological reaction is triggered.
Answer:
yes
Explanation:
prokarotic cells are single celled and can procreate on their own
Answer:
ummmmm
Explanation:
give a picture would help you know
Answer:
Substrate. The substrate is the surface on which the river organisms live. It may be inorganic, consisting of geological material from the catchment area such as boulders, pebbles, gravel, sand or silt, or it may be organic, including fine particles, leaves, wood, moss and plants.