No
Yes! There are about 5,360 species of mammals in the world.
the world won't be there without oceans..
one feature is that an alveoli has a wide surface area. If you know any other features then add them!
There has been many, they are one of the most dangerous mammals in the world
Yes, they are. An invertebrate is any animal without a backbone. That means about 97% of all the animals in the world are invertebrates. The only animals classified as vertebrates are fish, birds, mammals, reptiles and amphibians.
Without any mutations, mammals have 4 limbs (2 arms/forearms, 2 legs)
it will not be any life without animals
No, the word 'alveoli' (the plural form of the noun alveolus) is a common noun, a general word for any small, angular cavity, pit, or hollow.
No.
none
no they do not
can we play nfs world without internet