Answer:
Birds require high levels of oxygen and, therefore, high rates of gas exchange due to flight demands. Avian resting oxygen consumption is high compared to that of mammals and other vertebrates, and this increases even more during the flight.
Explanation:
Compared to mammals, birds have specific adaptations of the respiratory system that result in higher levels of oxygen exchange.
Pseudoscience is literally just FAKE SCIENCE. remember that
The sperm carries one chromosome of the homologous pair and the egg has also one otherchromosome homologous to the first. After fertilization, when the zygote is formed it has one chromosome from the sperm and one chromosome from the egg that was fertilized by the sperm.
Changes to an organism that are a results of or results in genetic mutation alter the genetic makeup of an organism and can be passed on to the next generation.