Bio 100 Survey of Animals 2025/2026
Exam Questions and Answers 100%
Guaranteed Success | Already Rated A+
Define phylogeny - 🧠ANSWER ✔✔The evolutionary history of a taxonomic
group of organisms. It's the story of the steps in the evolution that led to a
particular group of organisms.
Define taxonomy - 🧠ANSWER ✔✔The process of identifying genetic traits
(called characters) with the goal being to name and identify all creatures.
What are the 3 types of body plans found in Exercise 3? - 🧠ANSWER
✔✔A) No Symmetry
B) Radial Symmetry
C) Bilateral Symmetry
, What is an incomplete gut? - 🧠ANSWER ✔✔A type of digestive system with
a tube of only one opening.
What is a complete gut? - 🧠ANSWER ✔✔A digestive system that consists
of a tube extending though the organism and there are two openings.
A segmented animal would be (smaller or larger) than the early "pre-
segmented" animal form. - 🧠ANSWER ✔✔Larger.
Name one organism that is a Mollusk: - 🧠ANSWER ✔✔Clams, snails.
Name one organism that is an Echinoderm: - 🧠ANSWER ✔✔Brittle stars,
Starfish.
Differentiate between an exoskeleton and an endoskeleton. - 🧠ANSWER
✔✔Prefix of each word, so Exo meaning outside and Endo meaning inside.
Name one organism that has a cartilaginous skeleton: - 🧠ANSWER
✔✔SHARKS!!
The fact that the frog can live out of the water and a fish cannot tells you
that the frog has solved the problem of: - 🧠ANSWER ✔✔Breathing air.
A flat worm has what type of body plan?
Exam Questions and Answers 100%
Guaranteed Success | Already Rated A+
Define phylogeny - 🧠ANSWER ✔✔The evolutionary history of a taxonomic
group of organisms. It's the story of the steps in the evolution that led to a
particular group of organisms.
Define taxonomy - 🧠ANSWER ✔✔The process of identifying genetic traits
(called characters) with the goal being to name and identify all creatures.
What are the 3 types of body plans found in Exercise 3? - 🧠ANSWER
✔✔A) No Symmetry
B) Radial Symmetry
C) Bilateral Symmetry
, What is an incomplete gut? - 🧠ANSWER ✔✔A type of digestive system with
a tube of only one opening.
What is a complete gut? - 🧠ANSWER ✔✔A digestive system that consists
of a tube extending though the organism and there are two openings.
A segmented animal would be (smaller or larger) than the early "pre-
segmented" animal form. - 🧠ANSWER ✔✔Larger.
Name one organism that is a Mollusk: - 🧠ANSWER ✔✔Clams, snails.
Name one organism that is an Echinoderm: - 🧠ANSWER ✔✔Brittle stars,
Starfish.
Differentiate between an exoskeleton and an endoskeleton. - 🧠ANSWER
✔✔Prefix of each word, so Exo meaning outside and Endo meaning inside.
Name one organism that has a cartilaginous skeleton: - 🧠ANSWER
✔✔SHARKS!!
The fact that the frog can live out of the water and a fish cannot tells you
that the frog has solved the problem of: - 🧠ANSWER ✔✔Breathing air.
A flat worm has what type of body plan?
