Lake ecosystems have many trophic levels
Indicate whether the statement is true or false.
ANSWER: False - few
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In eukaryotic organisms, a single-stranded break in the DNA is required before recombination can begin during meiosis
Indicate whether the statement is true or false
A green alga being able to occupy small crevices due to its small size is an example of ________ as an adaptation to predation
a. tolerance b. symbiosis c. deterrence d. avoidance
You are examining a primitive vertebrate and want to determine whether the same part of its brain coordinates muscular movement as in the human brain, so you would do a surgical experiment to disconnect the rest of the brain from the
A. cerebellum. B. hypothalamus. C. medulla oblongata. D. pons. E. cerebrum.
In most women's menstrual cycles, ovulation occurs
A. at the onset of the flow. B. halfway through the cycle. C. just after sexual intercourse. D. just following the last cycle.