Plants are classed as animals, as they're living things. It's the same as the fact that humans are animals, too. So any living thing like a tree, plant, worm etc.
There are animals with multiple heads, a condition called congenital cephalic disorder.
goatsoxensheepramsdeerelkelephants
frogs
Animals that have two heads? There are very rare two-headed snakes, I know that for sure. Maybe some mythical animals, like dragons, have two heads.
they have adapted to have light from their heads
there just like human
It means to fight - lots of male animals butt heads when they fight, such as goats and sheep and deer. You also hear the same term used: "butt heads" instead of "knock heads."
because they are big animals
Cnidaria animals have no heads. So, the name Cnidaria indicates that these animals likely have ends referred to as an "oral" end.
It means to fight - lots of male animals butt heads when they fight, such as Goats and Sheep and deer. You also hear the same term used: "butt heads" instead of "knock heads."
because people like to like the inside of other animals heads
by domesticating crops and eating animals heads off