Elements of Life
a month ago
marylevans
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20 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    Biology starts at the level of ___________ and moves through the study of biospheres.

    answer choices

    atoms

    cells

    organs

    organisms

  • Question 2
    30 seconds
    Q.

    The basic building blocks of matter

    answer choices

    atoms

    elements

    molecules

    organisms

  • Question 3
    30 seconds
    Q.

    A substance that cannot be decomposed into simpler substances by chemical means - made up of the same atoms

    answer choices

    atom

    element

    molecule

    organism

  • Question 4
    30 seconds
    Q.

    An atom that has a different number of neutrons than the standard for that element.

    answer choices

    element

    isotope

    molecule

    organism

  • Question 5
    30 seconds
    Q.

    A group of two or more atoms that are bonded together

    answer choices

    elements

    isotopes

    molecules

    essential elements of life

  • Question 6
    30 seconds
    Q.

    A living thing

    answer choices

    element

    molecule

    isotope

    organism

  • Question 7
    30 seconds
    Q.

    The correct order for the organization of living things is

    answer choices

    cell -> tissue -> organ -> organ system -> organism

    cell -> atom -> organ system -> organism -> tissue

    cell -> atom -> molecule -> organism -> organ system

    tissue -> cell -> organism -> organ -> organ system

  • Question 8
    30 seconds
    Q.

    a major component of genes and proteins

    answer choices

    nitrogen

    sulfur

    iron

    oxygen

  • Question 9
    30 seconds
    Q.

    major part of photosynthesis and respiration

    answer choices

    carbon

    hydrogen

    sulfur

    calcium

  • Question 10
    30 seconds
    Q.

    non found naturally in earth, must be combined with other elements like oxygen

    answer choices

    phosphorus

    sulfur

    calcium

    hydrogen

  • Question 11
    30 seconds
    Q.

    makes up about 63% of the mass of animals and 75% of the mass of plants

    answer choices

    nitrogen

    carbon

    oxygen

    hydrogen

  • Question 12
    30 seconds
    Q.

    is an important part of dna molecules

    answer choices

    phosphorus

    hydrogen

    sulfur

    iron

  • Question 13
    30 seconds
    Q.

    abundant in plants and helps the soil break down microbes to make nutrients

    answer choices

    hydrogen

    phosphorus

    calcium

    sulfur

  • Question 14
    30 seconds
    Q.

    the main element in the hard part of bones

    answer choices

    nitrogen

    hydrogen

    oxygen

    calcium

  • Question 15
    30 seconds
    Q.

    essential for metabolic processes in the body like the synthesis of proteins used during electron transport for aerobic cell respiration

    answer choices

    iron

    calcium

    sulfur

    phosphorus

  • Question 16
    30 seconds
    Q.

    Which of the following is NOT a characteristic of living things?

    answer choices

    ability to change temperature

    ability to move

    ability to grow

    ability to respond to changes in the environment

  • Question 17
    30 seconds
    Q.

    Which of the following are characteristics of only living things? Mark all that apply

    answer choices

    made of cells

    respiration

    excretion

    made of atoms

  • Question 18
    30 seconds
    Q.

    All living things have hundreds of cells.

    answer choices

    true

    false

  • Question 19
    30 seconds
    Q.

    Living things can be unicellular or multicellular.

    answer choices

    true

    false

  • Question 20
    30 seconds
    Q.

    Which of the following are examples of nonliving things? Mark all that apply.

    answer choices

    sun

    soil

    water

    cells

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