Natural selection is a mechanism of evolution. Organisms that are more adapted to their environment and are more likely to survive and pass on the genes that aided their success. This process causes species to change and diverge over time.
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Answer:
temperature and precipitation
Explanation:
Answer:These contractile elements are virtually identical to skeletal muscle. ... (a) Cardiac muscle cells have myofibrils composed of myofilaments arranged in sarcomeres, ... The refractory period is very long to prevent the possibility of tetany, a ... At this point, the calcium ion channels close and K+ channels open, allowing outflux ..
Explanation:
Answer:C
Explanation:
In order to draw a conclusion he needed to do an experiment based on his hypothesis first, then be able to conclude from his results if these breeds can real survive the cold weather.