biology a living thing that feeds on other living things in the food chain. A living thing such as a plant that can make its own food is called a producer.

critter (noun)

Americaninformal an animal

dumb animal (noun)

any animal. This word is used especially for emphasizing that people have a moral duty to protect animals.

flora (noun)

all the plants that grow in a particular region. The animals of a region are called its fauna.

food chain (noun)

biology the natural process in which one living thing is eaten by another, which is then eaten by another, etc

Homo sapiens (noun)

the scientific name given to the kind of humans that exist today

humanity (noun)

the state of being human, and of behaving and thinking in the same way as other people

humanoid (adjective)

like a human in appearance

human race (noun)

all people as a group

life form (noun)

formal a living thing, for example an animal or a plant

mankind (noun)

all humans considered as a single group. Some people avoid using this word because they think it is offensive to women, and they use humankind instead.

mortal (adjective)

human and not able to live for ever

mortal (noun)

mainly literary a human, not a god or spirit

non-human (adjective)

not human

organic (adjective)

biology connected with, produced by, or obtained from living things

producer (noun)

biology a living thing such as a green plant that makes its own food from simple compounds that are inorganic (=not living) and is itself used as food by other living things

the quick and the dead ()

people who are alive as well as people who are dead

wildlife (noun)

animals, birds, and plants that live in natural conditions

wildlife (noun)

relating to wildlife