Under natural conditions, most populations will stabilize at a level known as the carrying capacity of the ecosystem<span>. The carrying capacity is the maximum </span>number of organisms that an ecosystem can support<span> on a continued basis.</span>
B it’s volume had become larger than its surface area.
Answer:
C. Breathing and heart rate speed up during excercise.
Because they have bones. They are called vertebrates because vertebra are the sections that make up the backbone of all these animals.
