23496641
Descripción
Test por Elver Orobio, actualizado hace más de 1 año
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Creado por Elver Orobio
hace casi 4 años
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Pregunta 1
Pregunta
Biologists use a system of classification to organize information about the diversity of living things.
Respuesta
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Aristotle’s System
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Early Systems of Classification
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Linnaeus’s System
Pregunta 2
Pregunta
Aristotle not classified organisms as either animals or plants.
Respuesta
- True
- False
Pregunta 3
Pregunta
Linnaeus’s System
Respuesta
-
classified organisms as either animals or plants.
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was the first formal system of taxonomy
Pregunta 4
Pregunta
Binomial Nomenclature
Respuesta
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The first part is the genus name, and the second part is the specific epithet, or specific name, that identifies the species.
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The domain is the broadest of all the taxa and contains one or more kingdoms.
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is the next higher taxon, consisting of similar, related genera.
Pregunta 5
Pregunta
Analogous characters are not those that have the same function but different underlying construction.
Respuesta
- True
- False
Pregunta 6
Pregunta
Homologous characters might perform different functions, but show an anatomical similarity inherited from a common ancestor.
Respuesta
- True
- False
Pregunta 7
Pregunta
The atomic number is the number of electrons
Respuesta
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is equal to the mass of the nucleus (protons + neutrons)
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is the number of electrons
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Atomic mass – atomic number
Pregunta 8
Pregunta
atoms of the same elements with a different number of neutrons
Respuesta
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Isotopes
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neutrons
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protons
Pregunta 9
Pregunta
all forms of energy exhibit both kinetic and potential work capacities
Respuesta
- True
- False
Pregunta 10
Pregunta
Molecules that contain atoms of Carbon, Hydrogen and usually Oxygen
Respuesta
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synthesize
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molecules
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Organic compounds
Pregunta 11
Pregunta
Enzymes is
Respuesta
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Healthy carbs are naturally occurring sugars
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composed mainly of just the basic elements of other organic molecules
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able to control this breakdown in order to harness the energy released
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proteins that speed up or catalyze, specific chemical reactions
Pregunta 12
Pregunta
When two or more atoms combine chemically
Respuesta
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convert the genetic info contained in DNA
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molecules are formed
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are like letters in a word, and genes are like complete “words” in a sentence
Pregunta 13
Pregunta
When two or more different atoms bond together to form a molecule, the molecule is called a compound
Respuesta
- True
- False
Pregunta 14
Pregunta
Chemical reaction is
Respuesta
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compounds have properties different from those of the elements of which they are composed
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when two or more atoms combine with or dissociate from each other
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When two or more different atoms bond together
Pregunta 15
Pregunta
the domains in biology are
Respuesta
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5
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3
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7
Pregunta 16
Pregunta
A chemical bond formed when electrons are completely transferred from one atom to another is
Respuesta
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ionic bond
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cavalent bond
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nonpolar
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cation
Pregunta 17
Pregunta
Anions: positively charged ions that result from the addition of an electron
Respuesta
- True
- False
Pregunta 18
Pregunta
Cation: a positively charged ion that results from the loss of an electron
Respuesta
- True
- False
Pregunta 19
Pregunta
bonds resulting from a shared pair of electrons
Respuesta
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ionic bond
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covalent bond
Pregunta 20
Pregunta
the picture shows one of the three types of chemical reactions
Respuesta
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Decomposition reactions
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Synthesis reactions
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Exchange reactions
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