This divergent plate motion explains why the fossil remains of Mesosaurus that were once together are now found on continents thousands of kilometers apart.
Answer:
Mutation is any change in the DNA sequence
It can be both disadvantageous or advantageous
Answer: Valves in the veins
Explanation: The flow of the blood inside the body takes place through the veins and arteries. The oxygenated blood from the heart is supplied to the different parts of the body.
The blood flows from the capillaries to the venules and from there to the veins. The blood moves in the veins by the rhythmic movement of the smooth muscles in the body.
Most of the blood moves against the gravity so there is a chance that it can backflow so to prevent this there are valves in the veins known as one way valves.
Answer:
B. the birthrate of lions increases
Explanation:
Mitochondra, the organelle, responsible for the conversion of the chemical energy stored in food into ATP (adenosine triphosphate-energy rich molecule). The cell easily utilize these molecules and perform all of its functions
