Chapter 30 review:
What groups are included and which are not included in the definition of protists?
How does a primary producer produce its energy? Describe phytoplankton.
How does the global carbon cycle work?
Describe the proposed origin of mitochondrion
What is the proposed theory we learned about for how multicellularity came about?
Terms:
Eukarya
Protists
Bloom
Dinoflagellates
Primary Producers
Plankton
Phytoplankton
Global carbon cycle
Endosymbiosis
Origin of Mitochondrion
Nuclear envelope
Multicellularity
Practice Quiz:
1. Pasteur’s experiment proved that
A. Cells can come into existence spontaneously
B. That a swan-necked boiling flask keeps outside cells out of the mixture
C. That a straight-necked boiling flask keeps outside cells out of the mixture
D. None of the above
2. Lamarck is a scientist that created the theory of acquired traits. He claimed that if
a giraffe stretched its neck over its lifetime, that its offspring would have an
elongated neck. This statement is:
True
False
3. An example of a monophyletic group would be
A. A group of organisms containing an ancestral organism and all of its
descendants
B. A group of organisms containing an ancestral organism and some of its
descendants
C. Multiple organisms containing no ancestral organism
D. None of the above
4. The origins of life occurred during the
A. Proterozoic period
B. Archaean period
C. Cambrian period
D. None of the above
5. Adaptive radiation is the diversification of species from a common ancestor, this
happens by
A. Adapting to a specific environmental niche
B. Competition and predation
C. When a niche is unoccupied
D. All of the above
6. Mammals showed up in the fossil record during the Triassic period, what was the
approximate time of this occurance?
A. 150-200 mya
B. 200-250 mya
C. 250-300 mya
D. 300-350 mya
7. Koch’s Germ theory describes a link between a specific microbe and an infectious
disease, what must happen in order to be considered a pathogenic microbe?
I. Microbe must be present in the sick individual
II. The microbe must be isolated and grown in culture
III. A cultured from of the microbe must be able to infect the sick person
A. I only
B. I and II
C. I and III
D. I, II, and III
8. Archaea play an important role in Earth’s environment, in what environments do
Archaea live?
A. Extreme environments
B. Soil
C. Human intestines
D. All of the above
9. (Cyanobacteria can be part of a symbiotic relationship with fungal hyphae and
create lichens, they can also incorporate algae cells to create lichens!)
Cyanobacteria were the first organisms to perform oxygenic photosynthesis.
True
False
10. Proteobacteria includes the well-studied E. Coli, which of the following are not
done by some species of proteobacteria
A. Cause the plague
B. Cause Lyme disease
C. Produce vinegar
D. All of the above
11. Blooms occur when populations grow rapidly and reach high densities.
Dinoflagellates are protists that
A. Fix Nitrogen
B. Consume harmful bacterium
C. Produce toxins
D. None of the Above
12. In the origin of mitochondrion Bacterium cells engulfed Archaeal cells
True
False
Terms:
5 fundamental characteristics of life
Theory
Cell
Cell theory
Pasteur
Hypothesis
Evolution
Natural selection
Experimental design
Heritability
Fitness
Speciation
Eukaryotes
Prokaryotes
Phylogeny
Taxonomy
DNA
Synapomorphy
Clade
Fossil
Paleontologist
Adaptive radiation
Cambrian Explosion
Mass extinction
Background extinction
Impact hypothesis
Bacteria
Archaea
Microbes
Pathogenic
Extremophiles
Germ Theory
Antibiotics
Enrichment cultures
Metagenomics/Environmental sequencing
Gram positive
Gram negative
Autotrophs
Heterotrophs
Phototrophs
Chemoorganotrophs
Chemolithotrophs
Firmicutes
Cyanobacteria
Actinobacteria
Spirochetes
Chlamydiae
Proteobacteria
Dates:
When the earth began to form
When life began
Time of the Precambrian
Events and time of Proterozoic (2500-542 mya)
Events and time of Archaean (4000-2500 mya)
Time of Phanerozolic Eon (542 mya-present day)
Events and time of Cambrian (542-488 mya)
Events and time of Ordovician (448-443.7 mya)
Events and time of Devonian (416-359.2 mya)
Events and times of Triassic (251-199.6 mya)
Events and time of Jurassic (199.6-145.5)
Events and time of Plaeogene (65.5-23 mya)
Events of Cambrian explosion