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What is the primary cause of genetic variation during meiosis? "crossing over" of
chromosomes
Identify the cycle pictured. (The picture shows photosynthesis, auto and factory emissions, dead
organisms and waste products, fossils and fossil fuels, etc) The Carbon cycle
_________ provides most of the oxygen on earth. Photosynthesis
In photosynthesis, plants use __________ to make _________ water, sun, and CO2;
oxygen and sugar
Deforestation causes an increase in ____________ Carbon dioxide
What does the graph represent? (It shows the number of bacteria increasing while time
increases) Exponential growth
,The failure of one or more pairs of homologous chromosomes or sister chromatids to separate
"normally" during meiosis is called _____________________. nondisjunction
What will most likely be the result if all of the mitochondrion are removed from a plant cell?
It will be unable to carry out respiration.
Which of the following helps to regulate the cell's internal environment and maintain
homeostasis? cell membrane
A population of cockroaches was sprayed with an insecticide. Some cockroaches survived and
produced a population of cockroaches that was resistant to this spray. What can BEST be
inferred from this example? Individuals with favorable variations survive and reproduce
True or False: Prokaryotic cells contain a nucleus and membrane bound organelles. False
If a strand of DNA had bases in the following order - ATCCGTC, what would be the transcribed
mRNA sequence? UAGGCAG
, Which is not a waste product of cellular respiration? Oxygen
Mutations are important because they bring about genetic variation needed for a
population to evolve
Cells spend the majority of their lives in Interphase
The rabbit in this food web would be considered a: primary consumer
What is the best inference about biochemical relationships that could be made from this
model? The amino acid sequences of a lancelet and a tuna are less similar than that of a
tuna and a salamander. This is due to the lancelet and the tuna splitting from a common
ancestor longer ago.
These gases, such as carbon dioxide, trap heat in the Earth's atmosphere causing global
warming Green House gases