Answer:
a green pigment, present in all green plants and in cyanobacteria, responsible for the absorption of light to provide energy for photosynthesis. Its molecule contains a magnesium atom held in a porphyrin ring.
Lungs
Amphibians are known to be animals which can survive both on land and in water. They can walk on land and have limbs to swim. However, they do not have gills to breath but can only breath directly from air through lungs while bony fish have fins to swim in water and can breathe through there gills and filter oxygen from water.
Plant Cells need mitochondrion to break down the glucose or cell respiration.
Hoped i helped:D
Constant means non-changing, so constant would refer to something that stays the same, does not change.
So the correct answer is this one: the quantity that must remain the same
Answer:
<h3>Theodor Schwann said all animals were made of cells. </h3>
Explanation:
<h3>I hope l helped ❤❤❤</h3>
