BIO 1404 A Grade Exam |Questions & 100% Correct Answers

BIO 1404 A Grade Exam |Questions &
100% Correct Answers
Scientific Reasoning - ✔✔2 methods:



Inductive

Deductive

Inductive Reasoning - ✔✔Logical thinking that uses observations to arrive at a generic
conclusion Common in descriptive science



Deductive Reasoning - ✔✔Form of logical thinking that uses a general principle as compared
to inductive reasoning



Hierarchy of Life - ✔✔Molecules (smallest)

Organelles

Cells

Tissues

Organs

Organ System

Populations

Communities

Ecosystems

Biosphere (biggest)



Eukaryotic Cells - ✔✔membrane-bound organelles

Nucleus (contains DNA)



Prokaryotic Cells - ✔✔single-celled

, no nucleus

smaller than eukaryotic cells



Population - ✔✔all the individuals of a species living within a specific area



Community - ✔✔Sum of populations inhabiting a particular area




Ecosystem - ✔✔All the living things in a particular area together and nonliving (soil, water)



Biosphere - ✔✔Collection of all ecosystems



Four common elements - ✔✔Oxygen

Carbon

Hydrogen

Nitrogen



Oxygen - ✔✔6 Valence Electrons

65% Humans

21% Atmosphere

46% Earths Crust



Carbon - ✔✔4 Valence Electrons

18% Humans

trace Atmosphere/Earths Crust



Hydrogen - ✔✔1 Valence Electron

10% Human