Test 2a Flashcards
6 modes of feeding by food
carnivorous, herbivorous, omnivorous, detritivorous, saprophagous, fungivorous
Mode of feeding that eats other animals
carnivorous
Mode of feeding that eats plants
herbivorous
Mode of feeding that eats plants and animals
omnivorous
Mode of feeding that eats decaying organic matter
detritivorous
Mode of feeding that eats dead animal tissue
saprophagous
Mode of feeding that eats fungi
fungivorous
Species that exploits resources in a similar way
Guild
3 carnivore guilds by style
predator, parasitoid, parasite
Style of carnivore guild that lives externally, kills multiple prey, larger than prey, less specialized
predator
Style of carnivore guild that lives internally, kills one prey, unique to insects
parasitioid
Style of carnivore guild that lives internally or externally, not necessarily lethal
parasite
4 carnivore guilds by mode of capture
random search, hunt, sit-and-wait, trap
Mode of capture of carnivore guild that roams habitats and uses cues to find prey
random search
Mode of capture of carnivore guild that uses sight or olfaction to orient to prey
hunt
Mode of capture of carnivore guild that energy conservation, raptorial forelimbs
sit-and-wait
Mode of capture of carnivore guild that more active, sometimes with bait
trap
example of random search
r. cardinalis (Coleoptera)
Example of sit-and-wait
mantodea
example of trap
glowworm (diptera)
2 herbivore guilds by location
external, internal
location herbivore guild that either chews or sucks
external
location herbivore guild that either rolls, mines, bores, or galls
internal
5 types of herbivore guilds by tissue type
leaf/stem, root, flower, fruit, seed
WHat order is the richest of species
Herbivorous orders
A limitation in the number of species wiht which a particular species can interact
specialization
True or false: most predators have a broad diet
true
what percent of insect herbivores feed on 3 or fewer plant families
90%
2 hypotheses to explain why specialization evolved
Maximize nutritional efficiency (jack of all trades is a master of none), maximize enemy-free territory
3 types of plant defenses
physical, indirect, chemical
plant defense that is thrones, spines, hairs
physical
plant defense that is protection via other species
indirect
2 examples of indirect defense of plants
ants, fungi
Type of chemical defense that is “all or nothing” toxin
qualitative
Type of chemical defense that is the more insects eat it, the harder it is to deal with
quantitative
How many different types of secondary metabolites have been found in plants
100,000
What species uses trichomes to make insects stuck to surface of leaves
M. pumila
What percent nitrogen are insects? Xylem? Leaves?
30-40%, 0.05%, 2-20%
Requirement of internal feeding
Intimate relationship with host
Parasite that transmits plague
fleas, bacterium