Biology: The Study of Life

What is the primary focus of biology as a scientific study?

Which theme of biology explains the unity and diversity of life?

At what levels of organization do biologists study life?

What method do biologists use to make observations and form conclusions?

What is the primary unit that all organisms are made up of?

When did life on Earth emerge according to the text?

Which theme of biology explains the ability of organisms to move, grow, and reproduce?

Which type of organism includes protists, fungi, plants, and animals?

At what levels of organization do biologists study life, from the molecular biology of a cell to the anatomy and physiology of plants and animals, and evolution of populations?

What is the unifying principle that ties biology together as a single, coherent field?

Who first introduced the concept of class as a distinct rank of biological classification?

In biological classification, where does the class rank in terms of size?

How did Carl Linnaeus divide all three of his kingdoms of Nature (minerals, plants, and animals) in the first edition of his Systema Naturae (1735)?

What is the primary factor that historically determines the composition of each class in biological classification?

What is the general definition of a class in biological classification?