← bio101 ch1 Test
5 Written Questions
5 Matching Questions
- Explain the phrase; "life's dual nature of unity and diversity."
- What is a controlled experiment?
- What is the basic structure and function of DNA?
- Define the Kingdom Fungi.
- To be of value to science, hypotheses must be _____.
- a DNA- organized into chromosomes, each has one long DNA molecule, chromosomes replicate as a cell prepares to divide, encodes information to direct development and maintenance of the entire organism
- b consists of decomposers, absorb nutrients by breaking down dead organisms and organic wastes.
- c testable and falsifiable
- d an experiment designed to test the effect of one variable by cancelling out the effects of unwanted variables
- e the process of evolution explains both the similarities and differences among living things, descending from common ancestors and diversity in the modifications of species branched from their common ancestors
5 Multiple Choice Questions
- a community
- prokaryotes and eukaryotes
- The use of DNA as the information storage molecule
- may include experimental groups and control groups tested in parallel
- data that consists of non-numerical categories
5 True/False Questions
List the unifying themes that characterize the biological sciences. → Hypotheses usually are relatively narrow in scope; theories have broad explanatory power.
What is the theory of evolution by natural selection? → the process by which traits become more or less common in a populationdue to consistent effects upon the survival or reproduction of their bearers
What are the 2 major dynamic processes of any ecosystem? → nutrient cycling and energy flow
A scientific theory _____. → Generates testable hypotheses, is supported by a large body of evidence, and is broad in scope.
What demonstrates the unity among all organisms? → Bacteria, Archaea (all prokaryotic), and Eukarya