100% Solved correct detailed Answers
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Asynchronous flight muscles --- correct answer ---Contract multiple
times per nervous stimulation and allow insect wings to beat up to
1000 times per second
Key innovation --- correct answer ---Development in using resources
to provide the greatest amount of payout
Phylum: Echinodermata --- correct answer ---All echinoderms are
marine animals
Have a calcium containing endoskeleton, containing either plates or
tiny, scattered bony elements
Use a water vascular system for movement
Catch collagen --- correct answer ---Unique connective tissue of
echinoderms, changes rapidly from solid to liquid state in response to
stimulation from the nervous system
,Phylum: Chordata --- correct answer ---Derived Traits from
Chordates:
Notochord, Dorsal Hallow nerve cord
Pharyngeal slits/clefts
Muscular post-anal tail
Notochord --- correct answer ---Semi rigid rod of cells enclosed by a
fibrous sheath
Functions as a skeletal element
Pharyngeal slits --- correct answer ---Openings in the pharyngeal
cavity to the outside of the animal, lead to the structure of gills,
middle ear, tonsils
Muscular Post Anal Tail --- correct answer ---Provides movement, has
been seen in all chordates at some life stage
Cephalochordates (Lancelets) --- correct answer ---Are small, thin
filter feeders of sandy bottom in coastal waters
Lack gills, but have enclosed circulatory system
, Tunicates (Urochordata) --- correct answer ---Closely related to other
chordates than Lancelets
Tunicate draws in water through an incurrent siphon, filtering food
particles
Craniates --- correct answer ---Chordates that have a head
Neural crest, give rise to a variety of structures, including some of the
bones
Gnathostomes --- correct answer ---Gnathostomes are chordates with
jaws
Chondrichthyans --- correct answer ---Skeleton composed of primarily
of cartilage
Largest and most diverse group of chondrichtyans includes sharks,
rays, and skates
Spiral valve --- correct answer ---In the intestine that slows the
passage of food and increases the surface area for absorption
Claspers --- correct answer ---Modifications of the pelvic fins used in
copulation