Page | 1
SCMH 1010 EXAM 5; WHITT 2026
LATEST QUESTIONS AND ANSWERS|
ACE YOUR GRADES.
Black Smokers - correct answer -vents on the sea floor that form
as hot mineral-rich water rushes from the hot rock at mid-ocean
ridges and mixes with surrounding cold ocean water. Supported
the first steps in life's origins
Most biologists study living systems at the level of: - correct
answer -molecules
Amino acids are carried in the cytoplasm by: - correct answer -
tRNA
The building blocks of nucleic acids are: - correct answer -
nucleotides
The nucleotides in complementary strands of a DNA molecule are
held together by: - correct answer -hydrogen bonds
, Page | 2
Author of "The Origin of Species" was - correct answer -Charles
Darwin
What geologic period is known as the age of reptiles? - correct
answer -Mesozoic
Which geologic period is known as the age of mammals? -
correct answer -Cenozoic
Punctuated equilibrium is a theory of evolution that states that -
correct answer -evolutionary changes usually occur in short
bursts, separated by long periods of stability
One of the universally possessed proteins that has been analyzed
extensively for biochemical evidence of evolution is - correct
answer -cytochrome C
The longest geologic era is the - correct answer -Proterozoic
, Page | 3
Cyanobacteria are single-celled life forms that produce oxygen as
a byproduct of - correct answer -photosynthesis
Any structure that helps an animal survive and pass on its genes -
correct answer -adaptation
The mechanism for evolution of living things as proposed by
darwin is - correct answer -natural selection
The first kind of cell to evolve was a ____ cell - correct answer -
eukaryote
Scientists hypothesize that organic molecules accumulated in the
early ocean to form a primordial ___ - correct answer -soup
Cyanobacteria - correct answer -single-celled photosynthetic
bacteria; began to dominate oceans
SCMH 1010 EXAM 5; WHITT 2026
LATEST QUESTIONS AND ANSWERS|
ACE YOUR GRADES.
Black Smokers - correct answer -vents on the sea floor that form
as hot mineral-rich water rushes from the hot rock at mid-ocean
ridges and mixes with surrounding cold ocean water. Supported
the first steps in life's origins
Most biologists study living systems at the level of: - correct
answer -molecules
Amino acids are carried in the cytoplasm by: - correct answer -
tRNA
The building blocks of nucleic acids are: - correct answer -
nucleotides
The nucleotides in complementary strands of a DNA molecule are
held together by: - correct answer -hydrogen bonds
, Page | 2
Author of "The Origin of Species" was - correct answer -Charles
Darwin
What geologic period is known as the age of reptiles? - correct
answer -Mesozoic
Which geologic period is known as the age of mammals? -
correct answer -Cenozoic
Punctuated equilibrium is a theory of evolution that states that -
correct answer -evolutionary changes usually occur in short
bursts, separated by long periods of stability
One of the universally possessed proteins that has been analyzed
extensively for biochemical evidence of evolution is - correct
answer -cytochrome C
The longest geologic era is the - correct answer -Proterozoic
, Page | 3
Cyanobacteria are single-celled life forms that produce oxygen as
a byproduct of - correct answer -photosynthesis
Any structure that helps an animal survive and pass on its genes -
correct answer -adaptation
The mechanism for evolution of living things as proposed by
darwin is - correct answer -natural selection
The first kind of cell to evolve was a ____ cell - correct answer -
eukaryote
Scientists hypothesize that organic molecules accumulated in the
early ocean to form a primordial ___ - correct answer -soup
Cyanobacteria - correct answer -single-celled photosynthetic
bacteria; began to dominate oceans
