The Study of Life
What is the study of life and living things called?
Biology
How many characteristics of life are there?
Seven
What branch of biology studies animals?
Zoology
What is the smallest level of biological organization?
Atom
What is any living thing called?
Organism
What are the basic units of life called?
Cells
Which characteristic involves growing and changing over time?
Growth and Development
What branch focuses on plants?
Botany
What comes after tissue in the levels of organization?
Organ
What is the molecule that carries genetic information?
DNA
What is the process by which living things maintain a stable internal environment?
Homeostasis
What characteristic describes an organism reacting to its surroundings?
Response to Stimuli
What branch studies microorganisms like bacteria and viruses?
Microbiology
What level includes all populations living together in one area?
Community
What do we call an educated guess that can be tested?
Hypothesis
What type of reproduction involves one parent producing identical offspring?
Asexual reproduction
Which characteristic uses energy through chemical reactions to sustain life?
Metabolism
What branch explores how genes and heredity work?
Genetics
What is the level that includes both living and nonliving things in one area?
Ecosystem
What term describes all living and nonliving things interacting in one area?
Ecosystem
What is the process by which living things change over generations?
Evolution
What characteristic describes inherited changes over time to survive better?
Adaptation
What branch studies how organisms interact with their environment?
Ecology
What is the broadest level that includes all life on Earth?
Biosphere
What is a well-tested explanation supported by evidence?
Theory