Regarding ecosystem [a] flows through it and [b] cycles through it.A) matterB) energyC) chemicalsD) biomass

Radius of convergence of series

A stickleback fish will attack any red object, because the color red is [a]A)  an example of classical conditioningB) a symbol of cognitionC) an indication of imprintingD) a sign stimulus

A honeybee communicates to other worker bees the presence of a nearby food source it has discovered by [a].A) vibrating its wings at varying frequenciesB) performing a songC) performing a danceD) visual cues

What is the inter‐quartile range for the data shown in the dotplot?      

Which of the following is an example of Müllerian mimicry? [a]A) two species of unpalatable butterfly that have the same color patternB) a day-flying hawkmoth that looks like a waspC) a chameleon that changes its color to look like a dead leafD) one species of a non-venomous snake which rattles its tail to mimic a venomous rattlesnake

Which of the following do all fungi have in common? [a]A) coenocytic hyphaeB) sexual life cyclesC) meiosis in basidiaD) absorption of nutrientsE) symbioses with algae

A person would most likely acquire trichinosis by ingesting ___.

“The real cost of something is what you must give up in order to get it.”  In economics, we call this _________.

Which of these species demonstrates symbolic thought, art, and full blown language?