The kidneys.
The kidneys keep blood isotonic by removing excess salt and water through urine.
Answer:
A tiger cub begins to grow
Explanation:
because that's when they change the most
These animals were living in an environment with a warm climate that results in changing sea levels. These conditions create a lot of shallow inland seas allowing these animals to thrive. The Cretaceous period is the last period of the Mesozoic area where new groups of mammals, birds, and flowering plants appeared on Earth.
- they are both found in the same place
- they are both passed down to newer generations
- both of them can determine your traits