An untied inflated balloon flies because
(a) the pressure is higher inside than outside the balloon.
(b) the pressure is lower inside than outside the balloon.
(c) air flows down its pressure gradient.
(d) both a and c occur.
(d) both a and c occur.
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A(n) ____ provides nutrients in germinating seedlings of eudicots
a. suspensor b. epicotyl c. hypocotyl d. endosperm e. cotyledon
What might one expect to see in a graph depicting realized niche space in a community?
A) one dominant species utilizing all of the resources B) large overlap between species resource use C) reduced overlap between species resource use D) each species utilizing its full resources
A pathogen is a disease-causing organism, but not all pathogens are alike. Some pathogens are more dangerous than others. When describing the relative ability of a pathogen to cause disease, we are considering its ________
A) pathogenicity B) virulence C) infectivity D) emergence
Once an organism is assigned to a particular taxonomic hierarchy, it is permanent and cannot be revised.
Answer the following statement true (T) or false (F)