QUESTIONS ANSWER KEY APLUS
◉ smallest unit of life.
Answer: Cell
◉ Scientific method.
Answer: observation, question, hypothesis, prediction, experiments,
conclusion
◉ a general explanation for important natural phenomena.
Answer: scientific theory
◉ a generalization is created from many observations.
Answer: inductive reasoning
◉ the process of generating hypotheses based on a well-supported
generalization (ex. Theory).
Answer: deductive reasoning
◉ formulated the bases of our modern understanding of evolution.
Answer: Charles Darwin and Alfred Wallace
,◉ three natural processes of evolution.
Answer: Genetic, inheritance, natural selection
◉ segments in DNA.
Answer: genes
◉ errors in copying DNA causing members of a species to be slightly
different.
Answer: mutation
◉ preserves genes that help organisms flourish.
Answer: natural selection
◉ structures, physiological process, or behaviors that aid in survival
and reproduction.
Answer: adaptations
◉ a variety in a species.
Answer: biodiversity
, ◉ the quality that distinguishes a vital and functioning being from a
dead body.
Answer: life
◉ both complex and organize.
Answer: living things
◉ sum total of all the chemical reactions needed to sustain life.
Answer: metabolism
◉ two ways organisms obtain energy.
Answer: autotrophs and heterotrophs
◉ maintenance of relatively constant internal conditions.
Answer: homeostasis
◉ organisms give rise to offspring of the same time.
Answer: reproduction
◉ parent's genetic material is passed on to the offspring.
Answer: continuity of life