Which of the following statements about the relationship between ants and acacia trees is/are accurate? Check all that apply.  

_____ The ants protect the acacias from other insects.
_____   The ants protect the acacias from epiphytic plants and vines.
_____ The ants live in the hollow thorns of the acacias.
_____ The ants are provided with sugar or other nutrition by some species of acacia.
_____  The ants aid pollination of the acacias.


__X__  The ants protect the acacias from other insects.
__X__  The ants protect the acacias from epiphytic plants and vines.
__X__  The ants live in the hollow thorns of the acacias.
__X__  The ants are provided with sugar or other nutrition by some species of acacia.
_____  The ants aid pollination of the acacias.

Biology & Microbiology

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The total compaction of DNA as seen in metaphase chromosomes is approximately ________-fold.

A) 10,000 B) 50,000 C) 100,000 D) 40

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Researchers Tilman and Downing have demonstrated which of the following?

A) more stable biomass production during drought in high-diversity systems B) more stable biomass production during winter in high-diversity systems C) more stable biomass production under fertilization in high-diversity systems D) more stable biomass production under pesticide application in high-diversity systems

Biology & Microbiology

What is the process that uses living microorganisms to detoxify polluted environments?

biochemistry bioremediation biofueling biocleaning

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Which of the following statements regarding the differences between mitosis and meiosis is false?

A) In meiosis four daughter cells are produced, whereas in mitosis two daughter cells are produced. B) In mitosis cytokinesis occurs once, whereas in meiosis cytokinesis occurs twice. C) Crossing over is a phenomenon that creates genetic diversity during mitosis.

Biology & Microbiology