BIO100 STUDY GUIDE EXAM 4
UPDATED PRACTICE SOLUTION SET
2026 TESTED QUESTIONS WITH
VERIFIED ANSWERS GRADED A+
◉ A predator that has a long tail for maneuverability is adapted for what
stage of predation?
Answer: Pursuing
◉ The resemblance of a harmless fly to a bee is an example of ______
Answer: mimicry
◉ The resemblance of the walking stick insect to a twig is an example of
Answer: camouflage
◉ What, if any, is the adaptive value to a foxglove plant of producing a
chemical called digitalis?
Answer: digitalis serves as a defense against predation
◉ What is a necessary ingredient for competition?
Answer: limited resource
◉ According to the competitive exclusion principle, two species cannot
continue to occupy the same
, Answer: ecological niche
◉ If an overlap develops between the ranges of two species that occupy
the same niche in the zone of overlap, what will probably happen in the
zone of overlap?
Answer: one species will take over most or all of the zone of overlap by
using the resources more efficiently
◉ A territory is most likely to be defended against
Answer: individuals belonging to the same species
◉ The evolution of adaptations that enable similar species to coexist in a
community is called
Answer: character divergence
◉ A symbiotic relationship where both of the co-existing species benefit
from the interaction is called
Answer: mutualism
◉ Commensalism describes a type of species interaction where
Answer: one species benefits and the other is unaffected by the
interaction
◉ Parasites are different from predators in that
Answer: parasites are less likely to kill their hosts
UPDATED PRACTICE SOLUTION SET
2026 TESTED QUESTIONS WITH
VERIFIED ANSWERS GRADED A+
◉ A predator that has a long tail for maneuverability is adapted for what
stage of predation?
Answer: Pursuing
◉ The resemblance of a harmless fly to a bee is an example of ______
Answer: mimicry
◉ The resemblance of the walking stick insect to a twig is an example of
Answer: camouflage
◉ What, if any, is the adaptive value to a foxglove plant of producing a
chemical called digitalis?
Answer: digitalis serves as a defense against predation
◉ What is a necessary ingredient for competition?
Answer: limited resource
◉ According to the competitive exclusion principle, two species cannot
continue to occupy the same
, Answer: ecological niche
◉ If an overlap develops between the ranges of two species that occupy
the same niche in the zone of overlap, what will probably happen in the
zone of overlap?
Answer: one species will take over most or all of the zone of overlap by
using the resources more efficiently
◉ A territory is most likely to be defended against
Answer: individuals belonging to the same species
◉ The evolution of adaptations that enable similar species to coexist in a
community is called
Answer: character divergence
◉ A symbiotic relationship where both of the co-existing species benefit
from the interaction is called
Answer: mutualism
◉ Commensalism describes a type of species interaction where
Answer: one species benefits and the other is unaffected by the
interaction
◉ Parasites are different from predators in that
Answer: parasites are less likely to kill their hosts
