Answer:
To move substances against a concentration or electrochemical gradient, a cell must use energy. Active transport mechanisms do just this, expending energy (often in the form of ATP) to maintain the right concentrations of ions and molecules in living cells.
Explanation:
Sedimentary and metamorphic rocks?
Answer:
Lichens are not purely mutualistic relationships.
Explanation:
Answer:
Erosion by waves: wave-cut cliff, sea arch, sea stack
Deposition by waves: beach, barrier island, sandbar
Explanation: because i just answer it and got the, right :)
Answer:
Zoospores
Explanation:
Asexual reproduction through zoospores in Chlamydomonas. The zoospores are special kind of motile and flagellated spores produced inside the zoosporangia. They are generally naked (without cell wall). The flagella helps to swim in aquatic habitat for proper dispersal.