Clicker questions exam 3 Flashcards
Bees are the only insects that pollinate T or F?
False
The biggest threat to plants caused by sap-sucking insects is the amount of fluid they remove from the plant T or F?
False
Which of the following are types of herbivory found in insects?
Leaf chewing
Leaf mining
Boring
Galling
All of the above
All of the above
Which of the following were problems that had to be overcome by the first insects trying to feed on plants?
Holding on to slippery leaves
Increased exposure to predators
Abundant but nutritionally poor and tough to digest food source
all of the above
All of the above
Phytophagy is what?
Plant feeding
Queen ants use aggression to control workers and keep them from laying eggs T or F?
False
Polyphagous insects feed on what?
Lots of different, unrelated plant species
Who or what determines the caste that a larva will develop into a honey bee hive?
Diet
Honey bees and termite queens use pheromones to maintain control of the workers in the colony T or F?
True
The job of the oldest members of the honey be hive is to do what?
Forage for pollen and nectar
When a parasitoid developing inside its host is parasitized by another species of parasitoid this is called what?
Hyperparasitism
Hymenoptera with short ovipositors tend to target concealed hosts T or F?
False
If I was traveling in the tropics in areas known to have human bot flies I would…
A. Never go outside - ever
B. Would not change my behavior other than wearing mosquito repellant and proper clothing
C. Happily get infected by a bot and take care of it until it emerged - all for the story
D. Bot flies (and other things like this) are why I will never leave the country!
B
Which of the following are common features of ectoparasitic insects?
A. Flattened bodies
B. Piercing or cutting mouthparts
C. Modified rows of setae known as ctenidia
D. Reduction or loss of wing
E. All of the above
E.
The ability to avoid detection is called what?
Crypsis
One species of insect stealing food from another is called what?
Cleptoparasitism
When one organism uses a second more mobile organism for transportation to a suitable food source or habitat this is called?
Phoresy
What are 3 defensive strategies used by insects if discovered by a predator?
Chemical defenses
Flashes of color to distract predator
Startle display
Bumble bee colonies have an annual life cycle T or F?
True
What type of mimicry system has an unpalatable or dangerous model and edible or harmless mimic?
Batesian
What is a “1st responder” to a dead vertebrate?
Blow Flies
What order of insects are the primary decomposer of dead vertebrates?
Diptera
Why do some wood-feeding beetles carry fungus with them and infect trees with it?
The fungus breaks down the wood and makes it more nutritious
The fungus helps stop the tree defenses
So the insect can eat the nutritious fungus
Detrivores feed on what?
Dead and decaying organic matter
A predator is…
An organism that kills and consumes organisms during brief encounters
What is 1 sit and wait predator strategy?
Ambush
Non-random active foragers might cue in on what when trying to locate their prey?
Mating calls
A parasitoid that paralyzes and halts the host’s development so that its young can feed is a what?
Idiobiont
After importing cattle to Australia, why did. they have such a massive problem with dung?
Australian dung beetles are specialists on marsupial dung so wouldn’t touch the cattle dung
What is the difference between parasites and parasitoids?
Parasites don’t kill the host parasitoids do.
Describe predatory morphology
Large forward facing eyes
raptorial and grasping legs
modified mouthparts and 80% extra oral digestion
What is it called when parasitoids place egg on the outside of host?
Pseudoovipositor
What is a parasitoid that feeds and develops on the outside of the host?
Ectoparasitoid
What is a parasitoid that feeds and develops on the inside of the host?
Endoparasitoid
A parasitoid that allows the host to fully develop before its consumed is what?
Koinobiont
How do endoparasitoids respire and what is the term called?
Cutaneous. Aquatic like environment. Thin cuticle with proliferation or trachea underneath cuticle
