In general, a zoologist is someone who would know a lot about animals. Other experts would be veterinarians, some biologists, and animal groomers.
An animal scientist is sometimes called a zoologist, and an animal doctor is a vet!
Biologist: A person/scientist who studies the life of living organisms.
Botanist: A person/scientist specializing in the study of plants.
Ecologist: A person/scientist who studies the relation between organisms and their environment.
Zoologist: A person/scientist who deals with with animals and animal life, including the study of the structure, physiology, development, and classification of animals.
People who study animals are collectively called zoologists.
serpetologist
a cat expert is called a felinologist.
A smart nature person
The people that work directly with the animals in the shows are usually called trainers or handlers. However a lot of other people work with the animals behind the scenes, including biologists and verterenarians.
there are a lot of animals, such as goats and iguanas
Pangaea was the continent that once existed rare African and Indian animals from the earth splitting animals because more domestic and livestock and it changed the location of a lot of exotic animals.
An omnivore is an organism that is neither an herbivore (only eats plants) or carnivore (only eats animals). An omnivore eats both plants and animals. There is not really a synonym for omnivore in this sense of the word. The word omnivore can also describe someone or something that eats a lot or everything. You would call such a person or animal omnivorous. There are synonyms for the word omnivorous such as gluttonous, insatiable, voracious, or rapacious.
Farming has changed a lot of animals lives
A person who has a lot to say about themselves can be called self-absorbed or narcissistic.
If you are trying to be offensive, you could call them a "Know-It-All" or if it is complimentary, just call them a genius.2nd Answerer says:I believe the term you are looking for is 'polymath'; or someone who studies to obtain universal knowledge would be a 'Renaissance Man/Woman'.
someone who knows a little about a lot of stuff
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A man.
mechanic car-bore-ator
An armchair expert is someone who knows a lot about a subject, but has little practical experience with it. For example, a fat person who knows a lot about losing weight is an armchair expert.