Well, experimentation can be really expensive, so when funding is provided it gets rid of a lot of obstacles.
Answer:
To swim, they move their tails up and down, rather than back and forth as fishes do. This is because whales evolved from walking land mammals whose backbones did not naturally bend side to side, but up and down.
Explanation:
The stage that is defined as the active replication if the cell's genetic information in interphase would be the S phase or DNA synthesis phase.
The contractions of the heart is what creates out blood to pulse through out body and is the basis of our blood pressure; which means this statement is TRUE.
The systolic number (top) of the blood pressure is our heart physically pushing the blood out of the heart and to the rest of the body.
The diastolic number (bottom) of the blood pressure our heart at rest when it has just finished with one pump.