1 Show What is a characteristic of living things that sets them apart from the nonliving? A) respond to a stimulus B) grow and reproduce C) adaptation to a way of life D) All of these are characteristics of living things. 2 ___________ is the study of life, using the scientific method. A) Science B) Biology C) Chemistry D) Culture 3 Choose the highest level of organization. A) tissues B) organs C) cells D) organ systems 4 What is meant by "maintaining homeostasis"? A) to keep a living area neat and clean B) to keep the population size within certain limits C) to maintain the internal environment for cells within certain limits D) to keep predators at bay, protecting the family unit 5 What human organ system is responsible for exchanging gases with the outside environment? A) respiratory system B) endocrine system C) excretory system D) circulatory system 6 What human organ system transports nutrients to the cells and removes their wastes? A) digestive system B) cardiovascular system C) excretory system D) immune system 7 What part of human existence makes us think we are separate from nature? A) our evolutionary history B) our use of homes C) our cultural heritage D) our cellular chemistry differs from other living things 8 Choose the correct statement about how humans fit in with the rest of nature. A) Humans are a part of an evolutionary process. B) Humans share the same cellular chemistry with other living things. C) Humans are a part of the biosphere. D) All of these are correct. 9 How are humans classified? A) as protozoans within the protist kingdom B) as animals within the moneran kingdom C) as vertebrates within the animal kingdom D) Humans are not included in the classification scheme. 10 Organisms within communities and ecosystems feed on one another to obtain energy and nutrients. What component does not cycle within an ecosystem? A) soil nutrients B) energy C) plant nutrients D) components of hard animal structures 11 In what way(s) do humans threaten the biosphere and damage ecosystems? A) human population size continues to increase rapidly B) humans clear forests for farmland C) humans tend to alter ecosystems D) All of these are ways humans threaten the biosphere and damage ecosystems. 12 A(n) ____________ is a scientific principle that is accepted as valid by an overwhelming number of scientists. A) hypothesis B) theory C) objective observation D) conclusion 13 The _________ theory declares that all organisms contain coded information that dictates their form, function, and behavior. A) gene B) evolution C) cell D) homeostasis 14 Using the scientific method, a scientist may make initial observations and her next step will be to ____________. A) come to a conclusion B) study any previous data C) perform an experiment D) formulate a hypothesis 15 Lyme disease is named after ____________. A) the town where many people had been diagnosed as having rheumatoid arthritis B) the scientist who discovered the disease C) the tick that causes the disease D) the chemical used to treat the disease 16 What type of reasoning is used when you put pieces of information together to formulate a hypothesis? A) expansive reasoning B) inclusive reasoning C) deductive reasoning D) inductive reasoning 17 After completing an experiment and reporting the findings, it is expected that the results of the experiment ____________. A) are proved true B) will lead to the production of a new drug C) will be repeatable D) will be kept secret 18 If an experimenter wanted to test whether a certain sweetener was toxic to a group of mice, an appropriate control group would be___________. A) a similar group of mice with a different food ration B) a similar group of mice with the same food and surroundings but not the sweetener C) a different type of mice receiving the same food with sweetener D) a similar group of mice receiving sugar in their food rather than sweetener 19 ___________ is any change in the environment that adversely effects the health and vitality of wildlife, plants and humans. A) Extinction B) Biodiversity C) Pollution D) Evolution 20 A practice that involves the storage of embryos, sperm, and eggs at very low temperatures is called A) cryopreservation B) in vitro fertilization C) embryology D) bioethics 21 Because of moral and ethical issues, who should have the responsibility for how to use technology within the realm of science? A) only scientists B) all people C) government officials D) only specific individuals responsible for the technology Is a scientific theory that is accepted as valid by an overwhelming number of scientists?223 Cards in this Set. Which theory is most accepted by scientists?One of the most popular scientific theories is Einstein's Special Relativity, which explains the relationship between space and time for objects moving at a consistent speed in a straight line.
What are the scientific principles?Among the very basic principles that guide scientists, as well as many other scholars, are those expressed as respect for the integrity of knowledge, collegiality, honesty, objectivity, and openness.
What are the 3 principles of scientific thinking?The scientific method is practiced within a context of scientific thinking, and scientific (and critical) thinking is based on three things: using empirical evidence (empiricism), practicing logical reasonsing (rationalism), and possessing a skeptical attitude (skepticism) about presumed knowledge that leads to self- ...
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