week 1 Flashcards
(36 cards)
Which kingdom of Eurkarya consists primarily of unicellular organisms?
Protista
Which of the following are the proper components of the scientific method?
observation, question, hypothesis, prediction, experiment, results, conclusion
Which of the following is NOT a property of life?
Populations of organisms are unable to change over time
In a multicellular organism, different tissues that function together are grouped into
organs
A newly discovered multicellular organism obtains food by digesting dead organisms. Such an organism is most likely a member of the kingdom_____.
Fungi
What is biology?
the scientific study of life
which of the following describes the proper order of the steps in the scientific method?
observation, hypothesis, experimentation, conclustion
Relative to prokaryotic cells, eukaryotic cells are usually ____.
larger and more complex
Plants produce energy through photosynthesis. Which property of life is this process referring to?
Metabolism
Members of the kingdom Plantae differ from members of the other kingdoms of eukarya in that most members of the kingdom Plantae ____.
produce their own food
What accounts for the different breeds of domesticated dogs?
artificial selection
You try and start your car, but it does not start. Which of these is a hypothesis?
My car’s battery is dead
A hypothesis is a(n) ____.
tentative explanation
How do hypotheses differ from theories?
Theories are more comprehensive than hypotheses.
Unequal reproductive success ____.
Can lead to natural selection
Which of these is most closely associated with Darwin?
natural selection
What are the two main processes that ecosystems depend upon?
nutrient cycling and energy flow
In a scientific experiment, the control group ____.
serves as a basis of comparison with the experimental group
Scientists studying the skies over Antarctic for several years noted that ozone levels were dropping. This is best described as the ____ within the scientific method.
observation
Which of the following is a producer?
house plant
What name is given to the functional compartments of a cell?
organelles
An independent variable is often referred to as the
treatment
A scientists’s conclusion is based on his ____.
experimental data
Science is ____.
the inquiry-based effort to describe and explain nature