FAU BROOKS BIODIVERSITY UNIT 1 EXAM
Latest Update 2024-2025 Actual Exam 150
Questions and 100% Verified Correct Answers
Already Graded A+ Verified by Professor
/Giardia/ ((italicized)) - CORRECT ANSWER: inflammation in digestive track;
contaminated water
HINT: be on your GUARD (giardia) when drinking water in a different country
3 kinds of Protista - CORRECT ANSWER: fungus-like, animal-like, plant-like
**because Protista are POLYphyletic, fungus-like is closer to fungi than animal-lke
About the Eras - CORRECT ANSWER: Precambrian- single celled bacteria (before
Paleozoic)
Paleozoic- paleo means old; age of invertebrates then vertebrates evolved
Mesozoic- meso means middle; dinosaurs (reptiles)
Cenozoic- ceno means recent; big rock hit; age of mammals & vertebrates
ANIMAL LIKE PROTISTS - CORRECT ANSWER: Phylum Sarcodina (flesh spin)
Pseudopods— false feet
Amoebae
Foraminiferans— produce calcium
Radiolarians— composed of Silvia dioxide
Autotrophs - CORRECT ANSWER: Make their own food from organic molecules; some
of the oldest fossils were autotrophs
,Binomial nomenclature - CORRECT ANSWER: capitalize 1st letter & underline to signify
italics. Writing it like this shows that its a scientific name aka GENUS
Cellular Slime Molds - CORRECT ANSWER: Phylum Ascrasiomycota
Pseudo plasmodium
A raisin— phermone released to attract cells to form pseudoplasmodium
Chemotrophs - CORRECT ANSWER: obtain energy from chemicals obtained without
light
CHOOSE:
Earliest life forms were anaerobic/aerobic and autotrophic/heterotrophic - CORRECT
ANSWER: Earliest life forms were anaerobic and heterotrophic
Cretaceous Extinction - CORRECT ANSWER: occurred between Mesozoic and
Cenozoic; whiped out everything. rip dinosaurs.
Cyanobacteria - CORRECT ANSWER: earliest discovered fossils, not found in extreme
conditions.
Should NOT be called blue green algae because algae is a eukaryote and
cyanobacteria is a prokaryote
Not considered an actual bacteria because it has chlorophyll (which turns into a
chloroplast)
Divine King Phillip Came Over From Greece Singing - CORRECT ANSWER: Domain,
Kingdom, Phylum, Class, Order, Family, Genus, Species
DOMAIN EUKARYA - CORRECT ANSWER: DOMAIN EUKARYA
Endosymbiotic Hypothesis - CORRECT ANSWER: A process in which a unicellular
organism (the "host") engulfs another cell, which lives within the host cell and ultimately
, becomes an organelle in the host cell; also refers to the hypothesis in which early
eukaryotic cells were formed from simpler prokaryotes.
Bacteria are likely ancestors for mitochondria and chloroplasts
Era Time Zone - CORRECT ANSWER: 600 mil yrs ago Paleozoic began. 230 mil ended
it.
230 mil yrs ago Mesozoic began. 65 mil ended it.
65 mil yrs ago Cenozoic began. Current day.
Genosperms - CORRECT ANSWER: genosperm like pines were evolved from hit
because they protected themselves from dinosaurs (think of pines; very deadly to
consume)
H2S vs H2O - CORRECT ANSWER: H2S was originally being used to be the source of
high energy electrons in photosynthesis because the first organisms were anaerobic
(the byproduct then became sulfur). Eventually, H2O became the source of high energy
electrons in photosynthesis (the byproduct then became oxygen). Lead to Oxygen
Crisis.
Haldon-Oparin Hypothesis - CORRECT ANSWER: life arose spontaneously from
methane, ammonia, water & energy sources
HETEROTROPHIC PROTISTS - CORRECT ANSWER: fungus like
Kingdom Archaezoe - CORRECT ANSWER: LACKS MITOCHONDRIA BUT NUCLEI
PRESENT
Kingdom Protista - CORRECT ANSWER: Diverse group; polyphyletic
Can be consumers, producers or moth (mixotroph)
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