BIOL 1001 Final Exam Questions and
Answers.
Bacteria in humans stomach/intestine is an example of what? - Answer Endosymbiosis
Eukaryote characteristics - Answer contain membrane-bound organelles, including nucleus
can be single-celled or multi-celled
Examples: humans, plants, fungi, insects
Prokaryote characteristics - Answer do not contain nucleus or membrane-bound organelles
Two groups: bacteria and archaebacteria
Mitochondria characteristics - Answer contains own DNA, circular chromosome
Reproduces by binary fission
Closest relative: bacteria
How did mitochondria form/evolve? - Answer Anaerobic eukaryote engulfed an aerobic
bacterium
which then became an endosymbiont providing ATP from respiration while receiving substrates
and protection
How did chloroplasts form? - Answer Endosymbiosis between a eukaryote and a
photosynthetic cyanobacterium
What is a protist? - Answer single-celled eukaryote, 10x bigger than prokaryote
Three categories: slime molds, algae, protozoa
Multicellularity requires: - Answer oxygen
, Motility depends on: - Answer how well cells stick together
Allows bacteria to move as a unit
Endosymbiosis allows ______ organisms to become ________, and ________ to become
_________ - Answer anaerobic, aerobic
Heterotrophs, autotrophs
Heterotrophic animals need: - Answer digestive system and sense organs
Mobile animals need: - Answer circulatory system and skeletal system
Simple --> Complex organisms - Answer single-celled protist, multicellular, radial, bilateral,
coelomate, chordates
radial symmetry organisms have ______ digestive system - Answer CLOSED
Bilateral symmetry - Answer Symmetry left to right
What is Paedomorphosis? - Answer adults retain the juvenile traits of their ancestors
Protostomes have _____ cleavage in early development - Answer spiral
Deuterostomes have ____ cleavage in early development - Answer radial
Both protostomes and deuterostomes have _______ symmetry as adults - Answer bilateral
HOMOLOGIES (traits) - Answer type of symmetry
Paedomorphosis
Open/Closed DIestive System
Segmentation
ANALOGIES (traits) - Answer Limbs/Fins
Answers.
Bacteria in humans stomach/intestine is an example of what? - Answer Endosymbiosis
Eukaryote characteristics - Answer contain membrane-bound organelles, including nucleus
can be single-celled or multi-celled
Examples: humans, plants, fungi, insects
Prokaryote characteristics - Answer do not contain nucleus or membrane-bound organelles
Two groups: bacteria and archaebacteria
Mitochondria characteristics - Answer contains own DNA, circular chromosome
Reproduces by binary fission
Closest relative: bacteria
How did mitochondria form/evolve? - Answer Anaerobic eukaryote engulfed an aerobic
bacterium
which then became an endosymbiont providing ATP from respiration while receiving substrates
and protection
How did chloroplasts form? - Answer Endosymbiosis between a eukaryote and a
photosynthetic cyanobacterium
What is a protist? - Answer single-celled eukaryote, 10x bigger than prokaryote
Three categories: slime molds, algae, protozoa
Multicellularity requires: - Answer oxygen
, Motility depends on: - Answer how well cells stick together
Allows bacteria to move as a unit
Endosymbiosis allows ______ organisms to become ________, and ________ to become
_________ - Answer anaerobic, aerobic
Heterotrophs, autotrophs
Heterotrophic animals need: - Answer digestive system and sense organs
Mobile animals need: - Answer circulatory system and skeletal system
Simple --> Complex organisms - Answer single-celled protist, multicellular, radial, bilateral,
coelomate, chordates
radial symmetry organisms have ______ digestive system - Answer CLOSED
Bilateral symmetry - Answer Symmetry left to right
What is Paedomorphosis? - Answer adults retain the juvenile traits of their ancestors
Protostomes have _____ cleavage in early development - Answer spiral
Deuterostomes have ____ cleavage in early development - Answer radial
Both protostomes and deuterostomes have _______ symmetry as adults - Answer bilateral
HOMOLOGIES (traits) - Answer type of symmetry
Paedomorphosis
Open/Closed DIestive System
Segmentation
ANALOGIES (traits) - Answer Limbs/Fins
