Answer:
B or C
Explanation:
Selective breeding with plants give the best results for any selective breeding.
Explanation:
Platypus is well adapted for semi-aquatic lifestyle. Its streamline body and a broad, flat tail are covered with dense waterproof fur, which provides excellent thermal insulation. ... The Platypus uses its tail for storage of fat reserves and the strong claws on its feet for burrowing and moving on land.
The bear population would increase. The bears would have enough food to support more cubs/bears.
Answer:
right atrium
Explanation:
as deoxygenated blood enters the vena cava, it flows through the right atrium and right ventricle and leaves by the pulmonary artery and goes to the lung so that the blood can be oxygenated. now the oxygenated blood enters the right atrium via the pulmonary vein and leaves by the aorta.
Answer:
Increases the likelihood an enzyme and substrate will collide