Sunlight,sunlight is extremely important due to the fact that plants and animals and pretty much everything on earth needs sunlight,without the sun we wouldn't have water because we need the sun for photosynthesis.
D- are all living things and bacteria is living
Answer:
Gas exchange during respiration occurs primarily through diffusion. Gas molecules move from a region of high concentration to a region of low concentration. Blood that is low in oxygen concentration and high in carbon dioxide concentration undergoes gas exchange with air in the lungs.
Explanation:
Answer:
The first (A) produces cell that are identical to the original cell.
Explanation:
The correct answer is absence of jaws.
Lampreys and hagfish are in the class Agnatha, they are jaw-less fish. The members of the agantha class are probably the earliest vertebrates. Scientists have found fossils of agnathan species from the late Cambrian period that occurred 500 million years ago.
