Biology 1107 Test 1 (2025) Actual Exam Questions and Answers A+ Graded

Biology 1107 Test 1 (2025) Actual
Exam Questions and Answers A+
Graded




Levels .of .structural .organization(in .order)? .- .CORRECT .ANSWER-individual,
.population, .species, .community, .ecosystem


Grouping .organisms(population,community,etc.) .- .CORRECT .ANSWER-
population, .species, .community, .kingdom

Energy .flow .in .ecosystems? .- .CORRECT .ANSWER-producers: .captured .energy
.in .turn .into .substances. .
consumers: .get .energy .from .producers.
decomposer: .get .energy .by .breaking .down .dead .organisms(animals .& .plants)

Homeostasis? .- .CORRECT .ANSWER-maintaining .in .organization, .internal
.environment, .within .tolerable .limits. .(the .way .your .body .takes .care .of .itself,
.maintaining .stability)


Levels .of .classification .of .organisms(in .order)? .- .CORRECT .ANSWER-King,
.phylum,class, .order,family, .genus, .species.


Name .and .basic .descriptions .of .each .of .the .5 .or .6 .kingdoms? .- .CORRECT
.ANSWER-Euk:(Animalia,fungi,plantae,protista);
Pro(bacteria,archae)

Scientific .names(proper .format .for .them,etc.) .- .CORRECT .ANSWER-1. .Genus
.Capitalized .
.2. .Species .Lowercase
.3. .Underlined .or .in .Italics


Astrophytum .myriostigma(underlined .or .italicized)

Evolution .as .covered .in .your .text .and .lecture? .- .CORRECT .ANSWER-
CHANGE!!! .; .change .in .genetic .composition .of .a .population .from .generation .to
.generation. .(slow .change .to .a .population, .population .splits .into .smaller .groups,
.group .develop .independently .&develop .new .species).

, Hypotheses .and .experiments(know .and .understand .related .terms)? .- .CORRECT
.ANSWER-Hypothesis: .A .tentative(uncertain) .explanation .for .observed
.phenomena(fact) .


Experiment: .used .to .test .hypothesis, .can .disprove .or .support .hypothesis

Matter? .- .CORRECT .ANSWER-takes .up .space .& .mass

Atoms? .- .CORRECT .ANSWER-basic .units .of .matter. .Atoms .are .made .up .of
.three .particles: .protons, .neutrons .and .electrons.


Isotopes? .- .CORRECT .ANSWER-same .number .of .protons, .different .number .of
.neutrons.


Isomers? .- .CORRECT .ANSWER-same .formula .different .shape.

Ions? .- .CORRECT .ANSWER-an .atom/group .of .atoms .that .has .lost .or .gained
.one .or .more .electrons.


Molecules .- .CORRECT .ANSWER-2 .or .more .atoms .bonded .together.

Compounds? .- .CORRECT .ANSWER-2 .or .more .of .different .elements .combined
.through .chemical .means.


What .are .the .most .common .elements .in .living .organisms .(know .names .and
.chemical .symbols .for .these .elements)? .- .CORRECT .ANSWER-CHNOPS;
.Carbon, .hydrogen, .nitrogen, .oxygen, .phosphorus, .sulfur


-How .to .figure .out .how .many .electrons, .protons .and .neutrons .and .atoms(given
.the .atomic .# .and .mass .# .of .element, .&how .electrons .for .in .an .atom's .electron
.shells) .- .CORRECT .ANSWER-protons&neutrons: .equal .#, .center .of .atom
electrons .orbital .in .shell

atomic .mass? .- .CORRECT .ANSWER-the .equal .combined .mass .of .neutrons/
.protons; .measured .in .daltons


atomic .number? .- .CORRECT .ANSWER-The .number .of .protons .in .the .nucleus .of
.the .atom


What .part .of .an .atom's .structure .most .directly .determines .its .bonding
.behavior? .- .CORRECT .ANSWER-electrons


Nonpolar .covalent? .- .CORRECT .ANSWER-equal .sharing .of .electrons.

Polar .covalent? .- .CORRECT .ANSWER-unequal .sharing .of .electrons.

Ionic .hydrogen? .- .CORRECT .ANSWER-H- .OR .H+