Carbon is found in the atmosphere mostly as carbon dioxide.
I believe it is geographical isolation because speciation is when the formation of a new and distinctive species occurs. If you isolate a species in one area, they could have mutations to help better adapt to the environment and make it easier to survive.
Answer:
Explanation:
Homologous structures are structures that are similar in related organisms because they were inherited from a common ancestor. The structures are similar because they evolved to do the same job, not because they were inherited from a common ancestor.the existence of homologous structures adapted to different purposes as the result of descent with modification from a common ancestor.
<span>Obesity
is a more serious degree of overweight and it is estimated that 67% of the
adult population is obese. However it is also estimated that 33 percentage of
adult men are obese and 35 percentage of adult women are obese. Furthermore,
middle aged in 40s to 59 years old American adult has the highest prevalence of
obesity in which 40% the women is higher than in men. </span>