Catalyst maybe ( lower activation energy).
D. More economically developed countries
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.
Answer:
What will happen is the new species with out a natural predator will starve the other species and they will have to adapt
Explanation:
( it might be wrong pls dont report me just let me kno y its wrong )