Bio 2 Flashcards
(23 cards)
What is Biology focused on studying?
Living organisms
Biology is derived from the Greek words ‘Bios’ meaning life and ‘logos’ meaning study.
Is there a universally accepted definition of life?
No
Scientists are still unable to provide an acceptable definition for life.
What are the three primary branches of Biology?
- Zoology
- Botany
- Microbiology
What does Zoology study?
Animals
What does Botany study?
Plants
What does Microbiology study?
Microorganisms
What is Cell Biology concerned with?
Studying cells
What does Histology study?
Tissues
What does Anatomy study?
Gross structure of the body
What does Physiology study?
Function of organisms
What does Biochemistry study?
Biological molecules
What does Genetics study?
Inheritance
What does Ecology study?
Environment
When did life on earth form?
Around 3.5 billion years ago
What type of organisms are believed to be the first formed?
Heterotrophic, anaerobic prokaryotes
How many species are estimated to exist in the world?
About 10 to over 100 million
What is the relationship between the living world and the inanimate world?
Dynamic relationship
What is biological diversity?
Variety of life on earth, number of species, diversity of genes, and different ecosystems
What can studying the anatomy of the human body provide?
Knowledge about the structure of organs
What are natural resources?
Sources of materials and energy found naturally
What causes threats of depletion of natural resources?
Increase in human population growth and overuse
Fill in the blank: The study of the structure of the human body is known as _______.
Anatomy
True or False: All organisms have a specific role in the environment.
True
