Chapter 1 Flashcards
What is biology?
the scientific study of life.
List 7 properties associated with life
- Order
- Evolutionary adaptation
- Regulation
- Energy Processing
- Growth and development
- Response to the environment
- Reproduction
What is a biosphere?
consists of all life on Earth and all the places where life exists: most regions of land, most bodies of water, the atmosphere to an altitude of several kilometers, and even sediments far below the ocean floor.
What is an ecosystem?
An ecosystem consists of all the living things in a particular area, along with all the nonliving components of the environment with which life interacts, such as soil, water, atmospheric gases, and light.
What is a biological community?
The array of organisms inhabiting a particular ecosystem is called a biological community.
What is a population?
A population consists of all the individuals of a species living within the bounds of a specified area.
What are organisms?
Individual living things
What is an organ?
A body part that is made up of multiple tissues and has specific functions in the body.
What are tissues?
Each tissue is a group of cells that work together, performing a specialized function.
What is a cell?
The cell is life’s fundamental unit of structure and function.
What are organelles?
The various functional components present in cells.
What is a molecule?
A is a chemical structure consisting of two or more units called atoms
What is a hypothesis?
- is an explanation, based on observations and assumptions, that leads to a testable prediction.
- is an explanation on trial.
- you can never test all possible hypotheses.
- can never prove that a hypothesis is true, instead: failing to prove it incorrect.
What is an experiment?
An is a scientific test, carried out under controlled conditions.
What is inquiry?
A search for information and explanations of natural phenomena.
