A person who studies animals and the way they interact with their environment is both an ecologist and a zoologist. Ecologists study the interactions of organisms within their environment, while a zoologist studies animals.
Would the answer be 'ecologist'? That's what comes to mind. To 'check my work' I did a Google definition search. cf. http://en.wiktionary.org/wiki/ecologist. Using my library's online edition of the Oxford English Dictionary I found this definition of ecologist: "An expert in or student of ecology."
He would be called an ecologist. And the study of ecosystems is called ecology
environmentalist
They are known as Ecologists.
an animalologist
A zoologist.
Ecologist
A zoologist
Is called a pittrpologist or a somnistic
ecologist
A person who studies the grass and soil, etc. is called a Agrostologist
1876 -the one
there called a horticulturalist ...
Agronomist
A person who studies life scientifically is called a biologist.
The Person Who studies about mamals , he is called mamalogist....
A person who studies volcanoes is called a volcanologist.
A person who studies the grass and soil, etc. is called a Agrostologist
A person who studies geology is a geologist.
a person that studies gems is called a gemologist.
A person who studies bees is called an apiologist.
A person who studies the grass and soil, etc. is called a Agrostologist
A person that studies animals is called a Zoologist.
A person who studies audiology would be called an audiologist.
A person who studies birds is called an ornithologist.
A person who studies water and its properties is called a Hydrogeologist.
A person who studies birds is called an Ornitholoigst