Chapter Questions
Instructions in _____ govern how organisms are built and function.
A _____ is the smallest unit that can live and reproduce by itself using energy, raw materials, and DNA instructions.
_____ is a state in which an organism’s internal environment is maintained within a tolerable range.
Humans are _____ (animals with backbones); like other primates, they also are _____.
Starting with cells, nature is organized on at least _____ levels.
A scientific approach to explaining some aspect of the natural world includes all of the following except _____.a. a hypothesisb. testingc. faith-based viewsd. systematic observations
A controlled experiment should have all the following features except _____.a. a control groupb. a test subjectc. a variabled. many testable predictions
A related set of hypotheses that collectively explain some aspect of the natural world makes up a scientific _____.a. predictionb. tesstc. theoryd. authoritye. observation
Which of the following is not a feature of a scientific theory?a. It begins as a hypothesis.b. It eventually is accepted as absolute truth.c. It requires critical thinking.d. It is not accepted as a theory until it has been tested repeatedly.
The diagram below depicts the concept of _____ .a. evolutionb. reproductionc. levels of organizationd. energy transfers in the living world