Biology 1010 Chattanooga State
Final Exam 2025 Questions and
Answers 100% Pass
To understand evolutionary relationships, we compare species. We look at 5 different
types of evidence to understand how new species form, and how life evolves over time.
What are they? - ✔✔Fossils, Anatomy, Embryology, Biogeography, and Molecular
Biology
To understand how new species form, we talked about different barriers that keep
species apart, or force one population to diverge into two. What are the 5 pre-zygotic
barriers we discussed? What are the 3 post-zygotic barriers we discussed? - ✔✔Pre-
zygotic: spatial isolation, temporal isolation, mechanical isolation, gametic isolation and
behavioral isolation.
Post-zygotic: hybrid inviability, hybrid sterility and hybrid "breakdown."
Another way new species form is via allopatric or sympatric speciation. What do they
mean? How do those types of speciation events result in new species forming? -
✔✔Allopatric- "other homelands", involves a geographic separation of populations
from a parent species and subsequent evolution.
COPYRIGHT © 2025 BY GRACE AMELIA, ALL RIGHTS RESERVED 1
, Sympatric- "same homeland", involves speciation occurring within a parent species
while remaining in one location.
What were the effects of salt concentration on the hatching viability of brine shrimp? -
✔✔1-2% salt, or 1 2/3 tablespoon of salt per quart of water.
What are the first and second laws of the thermodynamics? - ✔✔1. total amount of
energy is constant and conserved. There always been and always will be the same
amount of energy. Energy can't be created or destroyed.
2. Energy will always be lost as heat in energy transfers.
What is entropy? - ✔✔A measure of disorder or randomness.
High entropy means high disorder.
The chemical bonds that hold together molecules in our cells contain which type of
energy? - ✔✔Potential
What is an exergonic reaction? What is an endergonic reaction? - ✔✔Exergonic reaction:
energy is released to the surroundings. The bonds being formed are stronger than the
bonds being broken.
Endergonic reaction: energy is absorbed from the surroundings. The bonds being
formed are weaker than the bonds being broken.
Is photosynthesis exergonic or endergonic? How do you know? - ✔✔Endergonic,
because it's bringing in the energy from the sun.
COPYRIGHT © 2025 BY GRACE AMELIA, ALL RIGHTS RESERVED 2
Final Exam 2025 Questions and
Answers 100% Pass
To understand evolutionary relationships, we compare species. We look at 5 different
types of evidence to understand how new species form, and how life evolves over time.
What are they? - ✔✔Fossils, Anatomy, Embryology, Biogeography, and Molecular
Biology
To understand how new species form, we talked about different barriers that keep
species apart, or force one population to diverge into two. What are the 5 pre-zygotic
barriers we discussed? What are the 3 post-zygotic barriers we discussed? - ✔✔Pre-
zygotic: spatial isolation, temporal isolation, mechanical isolation, gametic isolation and
behavioral isolation.
Post-zygotic: hybrid inviability, hybrid sterility and hybrid "breakdown."
Another way new species form is via allopatric or sympatric speciation. What do they
mean? How do those types of speciation events result in new species forming? -
✔✔Allopatric- "other homelands", involves a geographic separation of populations
from a parent species and subsequent evolution.
COPYRIGHT © 2025 BY GRACE AMELIA, ALL RIGHTS RESERVED 1
, Sympatric- "same homeland", involves speciation occurring within a parent species
while remaining in one location.
What were the effects of salt concentration on the hatching viability of brine shrimp? -
✔✔1-2% salt, or 1 2/3 tablespoon of salt per quart of water.
What are the first and second laws of the thermodynamics? - ✔✔1. total amount of
energy is constant and conserved. There always been and always will be the same
amount of energy. Energy can't be created or destroyed.
2. Energy will always be lost as heat in energy transfers.
What is entropy? - ✔✔A measure of disorder or randomness.
High entropy means high disorder.
The chemical bonds that hold together molecules in our cells contain which type of
energy? - ✔✔Potential
What is an exergonic reaction? What is an endergonic reaction? - ✔✔Exergonic reaction:
energy is released to the surroundings. The bonds being formed are stronger than the
bonds being broken.
Endergonic reaction: energy is absorbed from the surroundings. The bonds being
formed are weaker than the bonds being broken.
Is photosynthesis exergonic or endergonic? How do you know? - ✔✔Endergonic,
because it's bringing in the energy from the sun.
COPYRIGHT © 2025 BY GRACE AMELIA, ALL RIGHTS RESERVED 2
