Why does this biome have a low population of trees?

Aperson is outside exercising. body temperature begins to rise, and the person starts to sweat. their body temperature then returns to normal, and the body stops sweating. a positive b negative c allosteric d homeopathic

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?

What household products contain algae?