WIS2552 Exam 1 (Topics 1-8, Global
Patterns in Biodiversity) Questions With
Verified Answers
The endosymbiosis theory argues that a ____ relationship was established between two cells. -
answer✔mutualistic
The endosymbiosis theory argues that small prokaryotic cells were engulfed by ____. -
answer✔larger prokaryotic cells
The first hominids appeared at the end of the ____. - answer✔Tertiary
The first fungi evolved in the ____. - answer✔Ordovician
Francisco Redi did an experiment to show that meat did not produce maggots by the process of
____. - answer✔spontaneous generaiton
The ____ is the period of the first vascular plants. - answer✔Silurian
Protenoid spheres could have evolved via ____. - answer✔self assembly
____ was the first period of the Cenozoic. - answer✔Tertiary
The Pleistocene Epoch ended roughly ____ years ago. - answer✔8000
Both mitochondria and chloroplasts have two membranes. - answer✔True
Chloroplasts are found only in members of the Kingdom Plantae. - answer✔False
The bony fish evolved in the ____ period of the Paleozoic. - answer✔Ordovician
Bacteria-like DNA is found in the ____ of eukaryotes. - answer✔mitochondria
Multicellularity might have evolved by incomplete cell division. - answer✔True
Stanley Miller was able to produce synthetic ____. - answer✔amino acids
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Oparin converted elemental nitrogen, carbon, oxygen and hydrogen to ____. - answer✔amino
acids
DNA in the nuclei of eukaryotic cells is complexed with ____. - answer✔proteins
Pasteur did an experiment to show that there was no ____. - answer✔spontaneous generation
Multicellularity might have evolved from coloniality. - answer✔True
Redi's experiment involved denying ____ access to decaying meat. - answer✔flies
Pasteur bent the slender necks of glass flasks to prevent ____ from reaching sterile water. -
answer✔bacteria
Stanley Miller combined methane and ____ in water, in his experiment. - answer✔ammonia
Oparin did experiments in ____. - answer✔chemical evolution
Pigment molecules are found in the ____. - answer✔chloroplasts
Confiers evolved in the ____. - answer✔Permian
Some of Pasteur's sterile water flasks are still on display today. - answer✔True
The first dinosaurs appeared in the ____. - answer✔Triassic
Prokaryotic cells contain ____. - answer✔RNA
The ____ era is broken down into Epochs. - answer✔Cenozoic
____ are the site for aerobic respiration in eukaryotes. - answer✔Mitochondria
Most scientists think the Earth is ____ years old. - answer✔4.5 Billion
Water moves through soil to the groundwater by the process of ____. - answer✔percolation
Denitrification is the conversion of ____ to N2. - answer✔NO2
In photosynthesis, CO2 is converted to ____ and H2O. - answer✔sugars
Temperate species may tend to be more ecologically specialized than their tropical counterparts.
- answer✔False
Ammonia is a gas and has the chemical formula ____. - answer✔NH3
The tropics may harbor more species with narrower niches than temperate species. -
answer✔True
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Energy in biological systems mostly exists in the form ____ molecules. - answer✔ATP
Through the evolutionary process, species may become increasingly adapted for narrower
environmental conditions and this can make them more rare. - answer✔True
Ecological pyramids were the brain child of ____. - answer✔Charles Elton
In a food web animals are never ____. - answer✔primary producers
Ecological pyramids illustrate the amount of ____ at various trophic levels. - answer✔biomass
Plants take up water from the soil and move it to the atmosphere by means of ____. -
answer✔transpiration
Photosynthesis is essentially ____. - answer✔carbon fixation
Some ammonia is mineralized as ____. - answer✔NH4+
Northern Mockingbirds were introduced successfully to ____. - answer✔Hawaiian Islands
Some Nitrogen is fixed by the action of lightning. - answer✔True
The symbiotic relationship between plant and Rhizobium is ____ in nature. -
answer✔mutualistic
Denitrification occurs only ____. - answer✔when O2 is not available
Most of the gaseous nitrogen in the atmosphere exists in the form of ____. - answer✔N2
A rabbit is an example of a ____. - answer✔primary consumer
The ecological niche of a species may be based on ____. - answer✔any of these
Carbon is stored mostly as fossil fuels, CO2 and in ____. - answer✔vegetation
Of the following ____ is the greenhouse gas most affected by human activities. - answer✔CO2
The lower part of the atmosphere is called the ____. - answer✔troposphere
The ____ is highly specialized for a diet of apple snails. - answer✔Everglades Kite
Plants take up inorganic nitrates and convert them to organic compounds in a process known as
____. - answer✔assimilation
A top predator in a food chain is a ____. - answer✔Tertiary consumer
The conversion of amino acids back to ____ is called ammonification. - answer✔NH3