Chapter 1 Biology Test
Terms in this set (22)
What is biology?
The scientific study of life
Several properties of and processes associated with living things
Order, regulation, growth and development, energy processing, response to environment, reproduction, and evolution
All the living organisms in a specific area, with all of the non-living factors with which they interact
What two main processes to the dynamics of any ecosystem depend on?
Recycling of chemical nutrients and flow of energy
What does every cell use?
What are the major types of cells?
Prokaryotic cells and Eukaryotic cells
What's the difference between Prokaryotic and Eukaryotic cells
Prokaryotic: simpler, usually smaller, characteristic of bacteria
Eukaryotic: subdivided by internal membranes in to different functional compartment called organelles, found in plants and animals
The branch of biology that names and classifies species
What are three domains of life?
Bacteria, archaea, and eukarya
What are the 4 kingdoms?
Kingdom Plantae, Kingdom Fungi, Kingdom Animalia, Protists (multiple kingdoms)
What is unique to protists?
They are generally single-celled
What were Darwin's observations?
overproduction and competition and individual variation
Explain natural selection
The process where organisms with certain inherited characteristics will be more likely to survive and reproduce than other organisms with other characteristics
The selective breeding of domesticated plants and animals by humans
What is science?
A way of knowing based on inquiry
What are the two main scientific approaches?
Discovery science and hypothesis-driven science
What is discovery science?
The process of scientific inquiry that focuses on observation to describe nature
What is hypothesis-driven science?
Hypothesis-driven science is the process of scientific inquiry that uses the steps of the scientific method to answer questions about nature
What is a hypothesis?
A tentative answer to a question-an explanation on trial
What is the order of biological organization?
atom, molecule, cell, tissue, organ, organism, population, ecosystem, biosphere
Describe the difference between hypotheses and theories
Hypotheses are usually narrow in scope; theories have broad explanatory power
____ is the core idea that unifies all biology