verified answers
1. A group of engineers consults with a insect physiologist and
examines the structure of dragonfly wing morphology to improve the
function of their company's drone. This approach is an exercise in
________.
a. biomimicry engineering
b. biodiversity leveraging
c. nature-engineering
d. evolutionary design Ans✓✓✓ a. biomimicry engineering
1. Chitin makes up the primary structure of the exoskeleton and is
classified as a _________.
a. lipid
b. modified polysaccharide
c. structural protein
d. rigid nucleic acid
e. calciferous membrane Ans✓✓✓ b. modified polysaccharide
1. Do insects have ears? (mark all Ans✓✓✓)
a. No, insects can't hear but have heightened other senses that
compensate for this loss
b. Some insects have bilateral hearing organs on either side of the
head, much like mammals
,c. Some insects have hearing structures called tympanum, that have
evolved independently and are located in various parts of the thorax
and abdomen.
d. Some insects have sensory setae (sensilla) on their antennae that
allow them to sense sound. Ans✓✓✓ c. Some insects have hearing
structures called tympanum, that have evolved independently and are
located in various parts of the thorax and abdomen.
d. Some insects have sensory setae (sensilla) on their antennae that
allow them to sense sound.
1. From what structures did the insect head evolve?
a. From sensory organs originally positions on long stalks
b. From a fusion of a sessile, highly sensitive organism with a separate
mobile organism without the ability to see or hear.
c. From the first few segments of the ancestral arthropod body.
d. From exoskeleton (chitin) that migrated from the outside of the
anterior region of arthropod ancestors to the interior. Ans✓✓✓ c.
From the first few segments of the ancestral arthropod body.
1. How are arthropod eyes different than other animal eyes? (mark all
Ans✓✓✓)
a. They evolved earlier than other animal eyes.
b. They are compound: made up of many individual lenses.
c. They are sensitive to many different wavelengths of light.
, d. They utilize the opsin molecules to transduce light into a nervous
impulse. Ans✓✓✓ b. They are compound: made up of many individual
lenses.
1. In which of the following locations are you most likely to find resilin?
a. The insect eye.
b. The leg joint of a flea.
c. Between layers of chitin in a beetle wing.
d. Spread along the surface of mouthparts.
e. The insect brain. Ans✓✓✓ b. The leg joint of a flea.
1. Insect wings are made up primarily of non-living material.
a. True
b. False Ans✓✓✓ b. False
1. Insect wings can be found _______________.
a. as paired appendages on the prothorax
b. on the mesothorax and the metathorax, but never on the prothorax
c. on the first two abdominal segments
d. on all three thoracic segments depending on the order of insects
Ans✓✓✓ b. on the mesothorax and the metathorax, but never on the
prothorax