A green katydid looks very much like a green leaf. If the katydid above has ten offspring, why might it be advantageous for some to be green, some yellow, and others brown?
A.
Yellow katydids are toxic to predators.
B.
Katydids of different colors might be able to survive in changing environments.
C.
Brown katydids have shorter lifespans than green katydids.
D.
Katydids of different colors have less genetic diversity.

Larry goes to the doctor complaining that he can't see the right side of the visual field with either eye. where in the visual signal-processing pathway is larry's problem occurring?

Give the biological term for: structures that display characteristics of living organisms only within living cells

Which of the following scenarios is an example of the bottleneck effect? answers a in south africa, much of the afrikaner population is descended from a small number of dutch colonists. in this population, this is an unusually high frequency of pseudoxanthoma elasticum (pxe), an elastic tissue disorder. b four white-tailed deer are introduced to a park in finland. thirty years after their introduction scientists compare the genes in the population and find that there is no variation. c during the industrial revolution, london's air became filled with soot. as a result, birds started eating more of the lighter moths because they were easier to spot than their darker counterparts. over time, the moth population changed so that there were more darker moths than lighter ones. d 10% of the population of american alligators in an area have the recessive trait albinism. a massive flood results in the death of 80% of the population. of the remaining population, 60% have the recessive trait of albinism.