Some muscle cells have the ability to produce more mitochondria if they are involved in regular exercise. which answer correctly describes a benefit of this ability?

Which events are likely to be catastrophic to an ecosystem? select the three correct answers.a-hurricane.b-steady population growth.c-seasonal flooding.d-introducing of an aggressive invasive species.e-tsunami.

What feature of cell theory is best demonstrated in the image

What is hydroelectric power produced by?