Answer:because we all have different anscestors And the traits come from all of them and you get some from your moms side and dads side
Explanation:
Answer:
Organ systems: human body and circulatory system
organs: heart
tissue: muscle
Explanation:
If both of them were travelling anti parallel to each other. (parallel but in opposite directions)
The plasma membrane, because it's a selective permeable which means it only allows certain things in like sucrose.
B.) A dog walks to a stream and drinks when it gets thirsty
would have to be your answer..