Water has a high specific capacity of heat, so it absorbs the heat on earth w/o a significant rise of temp. in the water. This helps to buffer the temp. on Earth makes it a relatively constant temperature, which is essential for most organisms.
If a species wanted to remain small in order to camouflage better!
Answer:

Explanation:
The pellets from a barn owl often contain the remains of 4 or 5 small animals. Let's assume an average of 4.5 animals per day.
1. Animals per week

2. Animals per year

3. Animals per month

Answer:
I believe that the protists were the first organisms on earth. And the other 5 kingdoms then came from the protists.
I think that's it! :)