Answer:
Autorhythmicity of the heart
Explanation:
It is the study of the characteristics features of the cardiac muscle cells with the ability to initiate action potential at certain level without connection to any external stimulus which the heart beats constantly and rhythmically. Cardiac muscle cells controls the rate of contraction of heartbeats.
The 10% rule means that when energy is passed in an ecosystem from one trophic level to the next, only 10% of the energy will be passed on.
Protons are equal to atomic number. Meaning the answer would be 64.
Answer:
Photosynthesis.
Explanation:
Photosynthesis is the process by which photosynthetic organisms such as plants and algae turn inorganic carbon compounds (usually carbon dioxide) into organic carbon compounds (usually carbohydrate sugars such as glucose). It causes carbon to move from one reservoir to another; examples are photosynthesis, respiration and combustion.
Layer y because it’s sides and numbers
