7 results found
Search Results for: ursus
Brown bear
Brown Bear Definition The brown bear (Ursus arctos) is a large bear species. In North America, brown bears are often... Read More
What is a species? Definition of species, different approaches
What is the definition of species? What does it take to be considered as a species? Ever since there has been an array of... Read More
Chromosome
Chromosomes Definition Chromosomes are thread-like structures present in the nucleus of plant and animal cells. Chromosomes... Read More