Scientists have yet to prove that the current global warming trend is not part of the natural cycle of Earth. Many things are being done now, mostly focusing on emission controls placed upon industry and transportation.
Answer:
scientist can learn how the rat has evolved based on where they live. it also helps find what the common ancestor was and all the common traits they have, for example rats in Norway may be used to the cold. and the rats in africa need to adapt to the heat and the constant threat of them being eaten.
Answer:
A
Explanation:
I'm not completley sure but veins go to every location in your body while capillaries and arteries are in designated areas.
An example of vesiscle-mediated transport would be cell secretion by exocytosis.
The reason why this would be an example of vesicle-mediated transport is because all the other types of transport listed here are not something you would call vesicle-transport; the substances don't really get transported in vesicles. This is different in exocytosis where the compounds gets packaged into vesicles.
