they have two like us because technically we're animals.
there are about 100 species of deer
Yes it is. For example, you would say "There are many deer in the park today", not "There are many deers in the park today". It is both singular ("Look at the deer") and plural ("Wow there are a lot of deer over there").
There are two kidneys in human body. I
it has 2 kidneys
one liver and two kidneys
Deer have many behaviours, too many to list or mention in this answer.
There are about 65000 deer in india!
there are about 100 species of deer
Like humans, cats have two (2) kidneys.
Human body has two kidneys
You have two kidneys that filter nitrogen-containing wastes from the blood.
There are many different types of deer. Some of the types of deer include white tailed deer, moose, mule deer, caribou, sika deer, sambar and fallow deer.