Answer:
radioactive decay
Explanation
It is also known by the name of nuclear decay or radioactivity. It is the process in which an unstable atom loses energy by emitting radiation.
Vertebrate striated muscle<span> contraction is controlled (regulated) by the action of the proteins troponin and tropomyosin on the actin filaments. Nervous </span>stimulation<span>causes a depolarisation of the </span>muscle<span> membrane (sarcolemma) which triggers the</span>release of calcium<span> ions from the </span>sarcoplasmic reticulum<span>.</span>
Im pretty sure its either, Ecosystem or Niche!
I would go with the letter
B- when the frequency of dominant alleles is equal to the frequency of recessive alleles.
Hope that this helps!!! :)
Answer:
Cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere.
Explanation: