Question | Answer |
All the organisms on your campus make up | a community |
What is the correct sequence of levels in life's hierarchy, proceeding downward from an individual animal? | nervous system, brain, nervous tissue, nerve cell |
Which of the following is not an observation or inference on which Darwin's theory of natural selection is based | Poorly adapted individuals never produce offspring. |
Systems biology is mainly an attempt to: | to understand the behavior of entire biological systems. |
Protists and bacteria are grouped into different domains because... | protists have a membrane-bounded nucleus, which bacterial cells lack |
Which of the following best demonstrates the unity among all organisms? | the structure and function of DNA |
A controlled experiment is one that... | tests experimental and control groups in parallel |
Which of the following statements best distinguishes hypotheses from theories in science? | Hypotheses usually are relatively narrow in scope; theories have broad explanatory power. |
What best describes the logic of scientific inquiry? | If my hypothesis is correct, I can expect certain test results. |
What is the appropriate term for an interacting group of individuals of a single type occupying a defined area? | population |
Which series of terms is in the correct sequence of biological organization, from the simplest to the most complex? | cell, tissue, organ, population, community |
Emergent properties of living systems are defined as properties that | are due to the arrangement and interactions of parts as complexity increases |
What best describes what is meant by "emergence"? | The whole is greater than the sum of the parts |
Sequencing a protein to discover the sequence of amino acids that make it up is an example of _____. Understanding how that protein works with other proteins in a cell is an example of _____. | reductionism ... systems biology |
In an ecosystem, nutrients _____ and energy _____. | cycle ... flows through |
The energy used by most organisms for metabolism and growth ultimately comes from _____ | the sun |
Which of the following is the fundamental unit of structure and function in living organisms | cell |
What is the molecule that can account for both the unity and the diversity of life? | DNA |
Which of the following domains is prokaryotic? | Archaea |
Which kingdom within the domain Eukarya is composed of organisms that are generally unicellular (single-celled)? | Protista |
Eukaryotic organisms that decompose dead organisms and absorb the nutrients are generally found in which kingdom? | Fungi |
Natural selection tends to act at which of the following levels? | population |
Which observations and inferences led Charles Darwin to his theory of natural selection as a mechanism for evolution? | Darwin synthesized his theory of natural selection from all of the above observations and inferences. |
With evolution as the core theme of biology, we can explain traits shared by organisms as evidence of _____ and traits that differ among organisms as evidence of _____. | descent from a common ancestor ... adaptation through natural selection |
Experimentation is only one part of the process of scientific inquiry, but it is a very important step because it _____. | allows rejection of a hypotheses |
A hypothesis must be testable and falsifiable to be scientifically valid. Being testable and falsifiable means that _____ | some conceivable observation or experiment could reveal whether a given hypothesis is incorrect |
At which point is a scientific investigator most likely to use deductive reasoning? | in establishing a test of a hypothesis |
The best method for determining whether bean plants require sodium is to _____. | grow bean plants with and without sodium |
In experimental procedures, repetition of the procedures _____. | is necessary before concluding that a given set of results is correct |
Should an experiment test only one variable at a time? Why or why not? | Yes, an experiment should only test one variable at a time. This ensures that the experimental outcome is clearly due to one identifiable factor |
A theory is _____. ( | a well-supported concept that has broad explanatory power |