What is the difference between a food chain and a food web?
What will be an ideal response?
ANSWER: A food chain is depicted in a straight line to indicate which species eat which other species.
Rarely in nature is any relationship between organisms in a community that simple. A food
web shows the interwoven relationships between species, because most organisms have more
than one food source.
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What potential issue did the introduction of objects to test hypotheses of what is in the black box cause?
A. The loss of tools to test hypotheses on what is in the box. B. The need to revise old hypotheses and create new ones. C. Creating too many possible candidates for what is in the box to be solved during class. D. A potential bias towards the objects presented being what is in the box instead of the best fit judging by your observations alone.
Evaporation of water through the stomata of leaves is
A. guttation. B. transpiration. C. respiration. D. photosynthesis.
Which of the following classes of microbes have their respiratory enzyme, if present, located in the cytoplasmic membrane?
A. The prokaryotes B. The eukaryotes C. Both, the eukaryotes and prokaryotes D. Neither, the eukaryotes and prokaryotes
Urinary catheters pose risks of causing urinary tract infections because
A) they can introduce bacteria from the skin, anal, or external genital areas into the bladder. B) they provide a surface for bacterial biofilms to establish and they can introduce bacteria from the skin, anal, or external genital areas into the bladder. C) they provide a surface for bacterial biofilms to establish. D) they block urine flow out of the bladder. E) they block urine flow out of the bladder and they can introduce bacteria from the skin, anal, or external genital areas into the bladder.