It delivers energy as it circulates blood
Answer:
they can fly , which requires alot of energy & keep their body warm with their feathers
Answer & Explanation:
Domain Eukarya includes all eukaryotes. This is a diverse group of organisms. It includes plants, animals, fungi, and protists. These organisms are classified together because they are made up of eukaryotic cells.
Answer:
Darwin and Lamarck's theory is different but they were also very similar. Both of them thought that the organism changed, and they are very helpful for the organism to survive. These characteristics are also passed to their young generation.
Darwin theory state that an organism gets the helpful variation before the changes in the environment, Lamarck's theory said that organism gets variation after the change in the environment.
Lamarck's stated that giraffe got long neck when the food on the ground ran out. In order to get the food they stretch out their neck to get food. Darwin thought organism changed by chance, at the time when they are born and before the change in the environment.
