Can I see the models?? I don´t know what the cactus looks like/
Meter is the SI unit for length. :)
During exercise there is an increase in physical activity and muscle cells respire more than they do when the body is at rest. The heart rate increases during exercise. The rate and depth of breathing increases - this makes sure that more oxygen is absorbed into the blood, and more carbon dioxide is removed from it.
Answer:
Carrying capacity is the <u><em>maximum number of individuals an area can support without degrading the environment</em></u>.
Hope its helpful :-)
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