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,The first cells on earth were prokaryotic, _____ and _____. - ANS heterotrophic, anaerobic
Living organisms possess a degree of organization and complexity in their structure. This refers
to the life characteristic of _____. - ANS Order
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The unity of life is illustrated by the idea that all organisms - ANS evolved from a single
common ancestor
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Where is the majority of ATP produced in a eukaryotic cell? - ANS Mitochondria
Number the following events to indicate the order in which they occurred. - ANS 1.
Animals first appeared on Earth
2.
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The Cambrian Explosion
3.
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The Permian Extinction
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Dinosaurs first appeared on Earth
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Mammals first appeared on Earth
6.
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The Cretaceous Paleogene Extinction
When mitochondria became part of the eukaryotic cell, the cell became "rich" with ATP. This
lead to cell specialization. Cell specialization allowed - ANS The evolution of multicellular
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organisms
To which kingdom would a multicellular, eukaryotic, photosynthetic organism belong? - ANS
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plantae
Which pair of organelles is responsible for energy supply to eukaryotic cells? - ANS
chloroplasts and mitochondria
Which is the highest level in the taxonomic organization? - ANS Domain
Which of the following is TRUE of ALL organisms? - ANS They obtain nutrients
,Which organelle extracts energy from food molecules and stores it in the high-energy bonds of
ATP? - ANS mitochondrion
Living organisms must self-regulate their internal processes. Another term for self-regulation is
_____. - ANS homeostasis
In the nemonic King Philip did come over for gross spaghetti, Philip corresponds to - ANS
Phylum
Aerobic organisms use oxygen as the __________ - ANS Final electron acceptor
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Stromatolites contain the fossils of the first _____ cells. - ANS photoautotrophic
Which organelles are thought to have originated via endosybiosis? - ANS Mitochondria and
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Chloroplasts
The _____ in Earth's atomosphere is responsible for the formation of the ozone layer. - ANS
oxygen
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Humans sweat when the temperature gets hot so that they can cool themselves. [Blank1] - ANS
Homeostasis
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The Permian Extinction occurred after the Cambrian Explosion. - ANS True
The hereditary material that is present in all cells is - ANS DNA.
Which is a difference between prokaryotes and eukaryotes? - ANS Prokaryotes have a
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nucleoid, eukaryotes have a nucleus.
The Bacteria and Eukarya domains are distinguished by - ANS the absence or presence of
organelles including a nucleus.
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first eukaryotic cells - ANS Proterozoic
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the first cells - ANS Archean
oxygen entered the atmosphere - ANS Proterozoic
no life possible - ANS Hadean
Cambrian Explosion - ANS Phanerozoic
Ancient members of all Eukarya kingdoms appeared. - ANS Proterozoic
, An extremophile would most likely be found - ANS in water from a hot spring
"Scientific names" contain the ___________ and the ___________ - ANS Genus and
species
The main difference between an autotroph and a heterotroph is - ANS how they obtain
energy.
The smallest unit of life is the ________. [Blank1] - ANS Cell
A simple food chain begins with the energy of the Sun. - ANS True
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A ________ is a portion of DNA that resides at a particular locus or site on a chromosome and
encodes a particular function. [Blank1] - ANS Gene
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Mitochondria are - ANS aerobic and produce ATP.
Aerobic heterotrophs combine oxygen with ______, to produce CO2, water and energy-carrying
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molecules like ATP. - ANS carbohydrates
We use the scientific method every day. Imagine your car doesn't start one morning before
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school. Which of these is a reasonable hypothesis regarding the problem? - ANS I'm out of
gas.
There are very few laws, but many theories in biology. Why? - ANS A theory is supported
by repeated tests and by extensive evidence, but cannot be proven; laws must be proven to be
true.
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Science is not: - ANS art
technology
interpretation of reality
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individualistic
You are testing treatments for AIDS sufferers and find that 75% respond very well and 25%
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show no improvement or decline in health after your experimental treatment. You should - ANS
review the results, modify the drug or the dosage, and repeat the experiment.
A good experiment should look at as many variables as possible. True or False? - ANS
False
Alexander Fleming observed a patch of mold that bacteria were not able to grow near. Which of
these was his hypothesis? - ANS The mold produced a substance that killed nearby
bacteria