CSUN BIO 106 FINAL EXAM
QUESTIONS & VALID COMPLETE
SOLUTIONS
Linnean classification - Correct Answer ✔✔ phylum, class, order, family, genus, species
synapomorphy - Correct Answer ✔✔ shared derived trait
monophyletic clade - Correct Answer ✔✔ includes ancestor and all descendants
paraphyletic clade - Correct Answer ✔✔ includes ancestors and some but not all
descendants
basic unit of life - Correct Answer ✔✔ cell
what are the 3 domains - Correct Answer ✔✔ eukarya, bacteria, archaea
are prokaryotes a monophyletic clade? - Correct Answer ✔✔ no, they are paraphyletic
are bacteria and archaea unicellular or multicellular? - Correct Answer ✔✔ they are
unicellular
are eukarya multicellular? - Correct Answer ✔✔ yes mostly, but some are unicellular
are eukarya and archaea sister clades? - Correct Answer ✔✔ yes
what does prokaryotic mean? - Correct Answer ✔✔ lacks a cellular membrane, no
organelles, not membrane bound
prokaryotic bacteria cell shapes - Correct Answer ✔✔ cocci (round), bacilli (rods),
spirilla (spirals, squiggles)
what are the 5 lineages of bacteria? - Correct Answer ✔✔ thermophiles, gram positive,
spirochetes, cyanobacteria, proteobacteria
how are animals and fungi related? - Correct Answer ✔✔ DNA sequence, they both
synthesize chitin, both store glucose as glycogen
because fungi are closer related to animals than plants... - Correct Answer ✔✔ its
harder to treat fungal infections in humans than bacterial infections
, what are fungi? - Correct Answer ✔✔ mostly unicellular, feed by absorbing nutrients
from dead or living things
how do fungi digest their food? - Correct Answer ✔✔ on the outside of their body
what other groups aside from fungi have chitin? - Correct Answer ✔✔ animals
why should you care about fungi? - Correct Answer ✔✔ 1.ecological importance
2. food
3. medicine
4. crop and animal parasites
what are animals? (5 aspects) - Correct Answer ✔✔ 1. multicellular
2. heterotrophy (ingest their food)
3. move under their own power
4. internal digestions
5. sexual reproduction
all animals except songs have.. (2) - Correct Answer ✔✔ 1. have nerve cells
2. muscle cells
choanoflagellates and sponges ( as adults) are... - Correct Answer ✔✔ sessile (don't
move)
ectoderm - Correct Answer ✔✔ skin and nervous system
endoderm - Correct Answer ✔✔ digestive tract
mesoderm - Correct Answer ✔✔ circulatory system, organs, bone, muscle
bilateral symmetry - Correct Answer ✔✔ split right down the middle
radial symmetry - Correct Answer ✔✔ split in any way
body cavity - Correct Answer ✔✔ fluid- filled space between digestive tract and body
wall, cushions internal organs and allows them to grow
protostome - Correct Answer ✔✔ develop from the mouth first
deuterostome - Correct Answer ✔✔ develop from anus first
architecture in animals (5) - Correct Answer ✔✔ 1. number of tissue layers
2. body symmetry
3. nervous system
4. body cavity
5.developmental patterns
QUESTIONS & VALID COMPLETE
SOLUTIONS
Linnean classification - Correct Answer ✔✔ phylum, class, order, family, genus, species
synapomorphy - Correct Answer ✔✔ shared derived trait
monophyletic clade - Correct Answer ✔✔ includes ancestor and all descendants
paraphyletic clade - Correct Answer ✔✔ includes ancestors and some but not all
descendants
basic unit of life - Correct Answer ✔✔ cell
what are the 3 domains - Correct Answer ✔✔ eukarya, bacteria, archaea
are prokaryotes a monophyletic clade? - Correct Answer ✔✔ no, they are paraphyletic
are bacteria and archaea unicellular or multicellular? - Correct Answer ✔✔ they are
unicellular
are eukarya multicellular? - Correct Answer ✔✔ yes mostly, but some are unicellular
are eukarya and archaea sister clades? - Correct Answer ✔✔ yes
what does prokaryotic mean? - Correct Answer ✔✔ lacks a cellular membrane, no
organelles, not membrane bound
prokaryotic bacteria cell shapes - Correct Answer ✔✔ cocci (round), bacilli (rods),
spirilla (spirals, squiggles)
what are the 5 lineages of bacteria? - Correct Answer ✔✔ thermophiles, gram positive,
spirochetes, cyanobacteria, proteobacteria
how are animals and fungi related? - Correct Answer ✔✔ DNA sequence, they both
synthesize chitin, both store glucose as glycogen
because fungi are closer related to animals than plants... - Correct Answer ✔✔ its
harder to treat fungal infections in humans than bacterial infections
, what are fungi? - Correct Answer ✔✔ mostly unicellular, feed by absorbing nutrients
from dead or living things
how do fungi digest their food? - Correct Answer ✔✔ on the outside of their body
what other groups aside from fungi have chitin? - Correct Answer ✔✔ animals
why should you care about fungi? - Correct Answer ✔✔ 1.ecological importance
2. food
3. medicine
4. crop and animal parasites
what are animals? (5 aspects) - Correct Answer ✔✔ 1. multicellular
2. heterotrophy (ingest their food)
3. move under their own power
4. internal digestions
5. sexual reproduction
all animals except songs have.. (2) - Correct Answer ✔✔ 1. have nerve cells
2. muscle cells
choanoflagellates and sponges ( as adults) are... - Correct Answer ✔✔ sessile (don't
move)
ectoderm - Correct Answer ✔✔ skin and nervous system
endoderm - Correct Answer ✔✔ digestive tract
mesoderm - Correct Answer ✔✔ circulatory system, organs, bone, muscle
bilateral symmetry - Correct Answer ✔✔ split right down the middle
radial symmetry - Correct Answer ✔✔ split in any way
body cavity - Correct Answer ✔✔ fluid- filled space between digestive tract and body
wall, cushions internal organs and allows them to grow
protostome - Correct Answer ✔✔ develop from the mouth first
deuterostome - Correct Answer ✔✔ develop from anus first
architecture in animals (5) - Correct Answer ✔✔ 1. number of tissue layers
2. body symmetry
3. nervous system
4. body cavity
5.developmental patterns
