Quiz 1: What Is Life

Which of the following is a characteristic of living things? A) High degree of organization. B) Presence of blood. C) Composed of chemicals. D) Part of the Animal kingdom.

Which of the materials best represents the presence of life? A) Carbon B) Water C) DNA D) Oxygen

Which of the following is the smallest unit of life? A) Organism B) Organ system C) Organ D) Cell

Why are viruses considered not to be alive? A) They do not respond to stimuli. B) They cannot reproduce on their own. C) They do not contain protein. D) They are too small.

What is meant by the term homeostasis? A) It is the taxonomic term for human beings. B) It is a characteristic of livings things that means they can reproduce the same organism. C) It means that humans are constantly changing. D) It is the ability of an organism to monitor conditions and maintain them.

Which is the most common form of feedback control in humans? A) Control center feedback. B) Positive feedback. C) Negative feedback. D) Effector feedback.

In a negative feedback system, the response of the effector: A) enhances the original stimulus. B) eliminates the original stimulus. C) reverses the original stimulus. D) does not change the original stimulus.

Which of the following is an example of homeostatic imbalance? A) Diabetic taking an insulin injection B) Sleeping C) Eating a banana as a source of potassium D) Feeling tired and hungry

Which of the following is an example of an atom? A) Carbon B) Carbohydrate C) Glucose D) ATP

Which of the following is an example of an organ system? A) Stomach B) Connective C) -Human being D) Digestive

Which of the following is a group of different tissues? A) Chemicals B) Cell C) Organ D) Organism

Think about this analogy: If your classroom represents a population, then what does each individual student represent? A) Tissue B) Organism C) Community D) Cell

Which of the following is a type of tissue? A) Connective B) Collagen fibers C) Respiratory D) Skeletal

Which of the following is a Domain? A) Animalia B) Eukarya C) Plantae D) Fungi

In Taxonomy, the "homo-" part of Homo sapien is the ________.________. A) Kingdom B) Genus C) Class D) Species

Which of the following is one of the five basic processes that human physiology hinges on? A) protein function B) atom function C) taxonomy function D) species function

What does a scientist do after making observations? A) Formulate a hypothesis B) Conduct an experiment C) Think of questions D) Draw a conclusion

Formulating a hypothesis is an example of: A) inductive reasoning. B) deductive reasoning. C) experimenting. D) drawing a conclusion.

Making a prediction based on a testable hypothesis is an example of: A) inductive reasoning. B) deductive reasoning. C) experimenting. D) collecting data.

Humans are classified in which Domain? A) A B) B C) C D) D

If the diagram represented a feedback loop for thermoregulation which part would represent the brain? A) A B) B C) C D) D

If the diagram represented a feedback loop for thermoregulation, the skin is represented by the effectors and ________? A) A B) B C) C D) D

Which part represents the muscles and blood vessels? A) A B) B C) C D) D

Which hierarchical level is represented by label A? A) Cell B) Molecule C) Atom D) Tissue

Which hierarchical level is represented by label D? A) Atom B) Cell C) Organ D) Tissue

Which of the following would be placed at the same hierarchical level as the heart (labeled E)? A) Carbon atom B) Stomach C) Muscle cell D) Digestive system

Which hierarchical level is represented by label G? A) Atom B) Molecule C) Organ system D) Organism

Which step in the scientific method is represented by label A? A) Conclusion B) Collect data C) Hypothesis D) Observation

Which step in the scientific method is represented by label D? A) Collect and analyze results B) Conclusion C) Design and conduct an experiment D) None of these are correct

What do steps D and then B suggest about the experiment's results and its hypothesis? A) The hypothesis was supported. B) The hypothesis was not supported. C) The hypothesis was supported but more experiments need to be done to prove it true. D) These results have no bearing on the hypothesis.

Which level in the hierarchy of life represents interacting communities united in a geographic area? A) Biosphere B) Individual C) Population D) Ecosystem

Plants synthesizing compounds by means of solar power is an example of the characteristic of requiring energy.

Carbohydrates are not found in any living things, whereas lipids are found in all living things.

Negative feedback systems amplify the changes that are being detected by the receptor.

Regulating electrolyte balance during a run is an example of homeostasis.

Organizationally, a biome includes all of the living organisms and the non-living things in a given area.

A scientist examining a liver sample under a microscope will be making observations at the tissue and cellular level of biological organization.

All bacteria are classified in the same domain and kingdom.

Humans and dogs both belong to the kingdom Animalia.

A theory, in the fields of science and law, means a good guess.

Science seeks to answer questions about important human affairs like whether it is right or wrong to use natural resources.

A(n) _______ is a structure composed of more than one tissue.

The ability to maintain a stable internal environment is called _________.

The ____________ registers the signal coming from the receptor and formulates a response.

A group of ants in an ant farm would be considered a _____________.

A(n) _________ is the smallest unit of an element that has the properties of the element.

Organizationally, the planet Earth is a __________.

The branch of science dealing with the classification of organisms into groups with similar characteristics is called _________.

Fill in the missing category: Domain, kingdom, phylum, class, _________, family, genus, species.

A(n) ___________ is a factor that can be changed in an experiment to test whether and how it affects the outcome.

Humans display __________________ behavior by accepting responsibility for other individuals within the population.

Describe how a feedback system maintains homeostasis.

How are all living organisms similar?

How are living organisms categorized?

Design an experiment to test the hypothesis that Drug Y lowers cholesterol in humans. Include all the steps in the scientific method.