There are more bacteria in/on humans than there are cells within the human organism
A. true
B. false
A
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The ____ is the developing gut for most animal embryos
a. schizocoelom b. mesoglea c. archenteron d. enterocoelom e. blastopore
On a dare, a student challenges another student to lick a California newt (Taricha torosa). From which population of newts should the student grab an individual to reduce his or her risk of a toxic dose?
A) from a population with no garter snakes B) from a population with a low abundance of garter snakes C) from a population with a medium abundance of garter snakes D) from a population with a high abundance of garter snakes
Which of the following statements is true?
a. The fossil record supports Cuvier’s theory of catastrophism. b. According to the theory of catastrophism, more species were alive at the beginning of the world than are now present. c. According to the theory of catastrophism, new species developed out of the survivors of the catastrophes. d. The theory of catastrophism was based upon observable responses that organisms made to catastrophes. e. According to catastrophism there were several distinct periods of creation following each catastrophe.
Four of the five answers listed below directly affect another endocrine gland. Select the exception
a. cortisol b. corticotropin c. luteinizing hormone d. follicle-stimulating hormone e. angiotensin