According to the equilibrium model of island biogeography, which island would have the greatest number of species on it?
a. small island, near mainland
b. small island, further away from mainland
c. large island, near mainland
d. large island, further away from mainland
e. large island at any distance from mainland
c
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What is contained in the coelom?
a. ingested nutrients and digestive enzymes b. primarily the epidermis, dermis, and hypodermis c. most of the organism’s organs d. undigested waste material
What color is oxygenated blood?
a. yellow b. pink c. bright red d. blue e. purple
The spindle apparatus is made of
A) microtubules. B) nucleoprotein. C) chromatids. D) endoplasmic reticulum. E) Golgi bodies.
Which of the following definitions best describes an evolutionary arms race?
a. Prey adapts to selection pressure exerted by a predator. b. Prey responds to predation by evolving defensive weapons (e.g., antlers or sharp hooves). c. Prey responds to selection pressure from a predator who in turn responds to the selection pressure exerted by the prey's counter-adaptation. d. Prey responds to selection pressure from a predator by improving its defensive weapons (e.g., antlers or sharp hooves) who in turn responds to the selection pressure exerted by the prey's defensive weapons by better offensive weapons (e.g., longer teeth).