Chapter 1: The Science of Life Flashcards
What is Biology?
the study of life
Walking into a dark room causes the pupils in your eyes to immediately dilate. This example best describes which of the characteristics of life?
responding to stimuli
living things increase in size by
growth and reproduction
An example of metabolism is
converting a spaghetti dinner into usable energy to run a race
What is homeostasis?
the ability of an organism to maintain stable internal conditions when external conditions change
All living organisms show some degree of order or organization. What is the smallest functional unit that exhibits all of the characteristics of life and order?
cell
A diagram of the relationships of the ancestry of all organisms is called a what?
Phylogenetic Tree or Diagram
Which complex molecule do all living organisms have in common?
DNA
How organisms interact with each other throughout the living world is the definition of what?
Interdependence
The concept of natural selection is based on the idea that certain favorable traits will more likely lead to successful survival and ___ of a species.
reproduction
The branch of biology that studies organisms interacting with each other and the environment is called what?
ecology
The process by which inherited characteristics of a population change over generations so that new and geneticlly distinct populations and species develop is called what?
evolution
Plants and animals are part of the domain ___.
Eukarya
