The sex cells are called Gametes! Its on Google!
An organism that cannot make its own food is called a heterotroph. All animals and species of fungi, along with some types of bacteria, are heterotrophs.
I believe the answer is 172,800,000,000 per day (24 hours)
How I Got That Answer:
I calculated 2 million times 60
=120000000 per minute
Then I calculated that times 60 again
=7200000000 per hour
Then I calculated that times 24
=172800000000 per day
Mastication is the process by which food is crushed and ground by teeth. It increases the surface area of foods to allow a more efficient break down by enzymes.
