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BL1020 Midterm 1 Exam Latest Update
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BL1020 Midterm 1 Exam LatestUpdate
Science - Answer the pursuit of an understanding of the natural world around us trough
a systematic process that is based on inquiry
Biology - Answer the scientific study of life
Atoms - Answer the basic unit of matter composed of protons, neutrons and electrons
Molecules - Answer combination of atoms in specific ratio
Organelles - Answer functional components of cells
Cells - Answer the smallest unit that exhibits all characteristics of life
Tissues - Answer a group of similar cells performing a specific function
Organ - Answer several different types of tissue working together
Organ Systems - Answer two or more organs
Organisms - Answer an individual living thing
Populations - Answer Group of interacting individuals of the same species
Communities - Answer all organisms in an ecosystem
Ecosystem - Answer all the living and nonliving things that interact in an area
Biosphere - Answer Consists of all life on Earth and all parts of the Earth in which life
exists, including land, water, and the atmosphere.
Cytology - Answer study of cells
Ecology - Answer Scientific study of interactions among organisms and between
organisms and their environment
Entomology - Answer study of insects
Mycology - Answer study of fungi
Physiology - Answer the processes and functioning of organisms
Taxonomy - Answer the naming and classification of organisms
Zoology - Answer the study of animals
Discovery science - Answer involves studying structures by way of observations and
,measurable data
Hypothesis-driven science - Answer involves an investigation by asking questions and
finding the answer in a formal process
Hypothesis - Answer a tentative answer to a question
Theory - Answer A hypothesis that has been tested with a significant amount of data
Order - Answer all living things are highly organized structures composed of one or
more cells
Regulation - Answer for an organism to survive, it must be able to maintain an internal
balance - homeostasis
Growth and Development - Answer all living organisms must have the ability to grow and
develop
Energy Processing - Answer all living organisms must have a source of energy for
metabolic activities
Response to their Environment - Answer organisms respond to a wide range of
environmental stimuli
Reproduction - Answer all living organisms must be able to reproduce, to produce either
exact or similar offspring depending upon the type of reproduction
Evolution - Answer a group of organisms must be able to evolve or change over time to
adapt to environmental changes.
Elements - Answer substances that cannot be broken down into any other substance
What 4 elements make up 96% of living matter? - Answer carbon, hydrogen, oxygen,
nitrogen
What 7 elements make up 4% of living things? - Answer calcium, phosphorus,
potassium, sulfur, sodium, chlorine and magnesium
Protons - Answer in the nucleus of the atom and have a positive charge
Neutron - Answer located in the nucleus and has no charge
Electrons - Answer in distinct orbits around the nucleus and have a negative charge
Atomic number - Answer the number of protons in the nucleus of an atom
Mass number - Answer the sum of the number of neutrons and protons in an atomic
nucleus
Compound - Answer a pure substance that results when two or more elements, in fixed
proportions, combine chemically to form a different substance
, Macromolecules examples: - Answer carbohydrates, lipids, proteins, nucleic acids
Molecule examples: - Answer water, carbon dioxide, carbon monoxide, sugar, methane,
hydrochloric acid, sulfuric acid
Organic compounds - Answer carbon-based molecules
Inorganic compounds - Answer compounds that do not contain carbon
Chemical reaction - Answer forming and breaking of bonds between atoms
metabolism - Answer all of the chemical reactions that occur within an organism
Ionic bonds - Answer particles become charged because of the loss or gain of electrons
Covalent bonds - Answer atoms share one or more pairs of electrons
Hydrogen bonds - Answer very weak bonds; occurs when a hydrogen atom in one
molecule is attracted to the electrostatic atom in another molecule
Polar molecule - Answer molecule with an unequal distribution of charge, resulting in
the molecule having a positive end and a negative end
Cohesion - Answer an attraction between molecules of the same substance
Universal Solvent - Answer dissolves into anything (Water).
Moderates Temperature - Answer water cools down and heats up more slowly than air
since it has a strong resistance to temperature change
Most Dense in Liquid Form - Answer allows organisms to live in deepest part of the
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