Ent 101 Exam Questions with Correct Answers 100% Verified By
Experts|2025/2026 Latest Update
Hemelytra The half leathery, half membranous wings of true bugs like stink bugs.
Elytra a beetle's hardened forewings
Halteres Highly modified wings used for balance rather than flight. Gyroscopes. found on
true flies (Diptera).
diurnal Daytime flyer
Polyphenism a single genotype produces several distinct forms/morphs
Detritivores Organisms that eat dead organic matter
Xylophages feed on wood, use cellulose for energy
Coprophages insects that feed on dung
Necrophages Consume carrion (animal matter)
Stadium Duration of instar between moults
Voltinism number of generations per year
Stage one: Decomposers Fresh - flies, maggots
, Stage Two: Decomposers Putrefaction - flies, beetles
Stage Three: Decomposers Black Putrefaction - flies and maggots leave, beetles dominant
Stage Four: Decomposers Butyric Fermentation - beetles and mites
Stage Five: Decomposers Dry Decay - beetles, snails
Phytophagy plant feeding insect
specific coevolution two species evolve reciprocal traits in response to each other
diffuse coevolution Multiple species undergo reciprocal evolutionary change through
natural selection
ecological fitting Specific interactions due to pre-adaptations
Monophagy the tendency to feed on one type of food
Oligophagy several host species
Polyphagy generalists, feed from many kinds of plants
Secondary plant metabolites Chemical defences
Antibiosis Chemicals that disrupt digestion
Experts|2025/2026 Latest Update
Hemelytra The half leathery, half membranous wings of true bugs like stink bugs.
Elytra a beetle's hardened forewings
Halteres Highly modified wings used for balance rather than flight. Gyroscopes. found on
true flies (Diptera).
diurnal Daytime flyer
Polyphenism a single genotype produces several distinct forms/morphs
Detritivores Organisms that eat dead organic matter
Xylophages feed on wood, use cellulose for energy
Coprophages insects that feed on dung
Necrophages Consume carrion (animal matter)
Stadium Duration of instar between moults
Voltinism number of generations per year
Stage one: Decomposers Fresh - flies, maggots
, Stage Two: Decomposers Putrefaction - flies, beetles
Stage Three: Decomposers Black Putrefaction - flies and maggots leave, beetles dominant
Stage Four: Decomposers Butyric Fermentation - beetles and mites
Stage Five: Decomposers Dry Decay - beetles, snails
Phytophagy plant feeding insect
specific coevolution two species evolve reciprocal traits in response to each other
diffuse coevolution Multiple species undergo reciprocal evolutionary change through
natural selection
ecological fitting Specific interactions due to pre-adaptations
Monophagy the tendency to feed on one type of food
Oligophagy several host species
Polyphagy generalists, feed from many kinds of plants
Secondary plant metabolites Chemical defences
Antibiosis Chemicals that disrupt digestion
