exam 2 Flashcards
what class is not considered an invertebrate?
myxini
hexactinellida symmetry
asymmetrical
trematoda symmetry
bilateral
nemertea symmetry
bilateral
cubozoa symmetry
radial
myriapoda symmetry
bilateral
tardigrada symmetry
bilateral
“flower animals” class
anthozoa
members of phylum mollusca:
polyplacophora, bivalia, cephalopoda, gastropoda,
ribbon worm taxon
nemertea
giant squid taxon
cephalopoda
chiton taxon
polyplacophora
sea star taxon
asteroida
glass sponge taxon
hexactinellida
crayfish taxon
crustacea
platyhelmenthes characteristics
- triploblastic
- no circulatory system
- bilaterally symmetric
- some cephalization
- have a gastrovascular cavity
(T/F) an organism that is diploblastic does not contain mesoderm
true
a trait that you would expect to observe in phylum cnidaria only
mesoglea
not members of echinodermata
crustacea
leeches taxon
annelida oligochaeta
“water bears”
tardigrada
first organisms to exhibit a closed CS
earthworm
(T/F) ecdysozoa is a phylum of animals
false (superphylum)
Which of following phyla produce veliger la special type of trochophore) larva?
mollusca
gastropoda…
- means stomach foot
- contains organisms known as snails and slugs
- undergo torsion during normal development
- often use a radula as part of their feeding strategy
what kind of CS do crustacea have?
closed
what kind of CS do asteroida have?
water vascular
what kind of CS do oligochaeta have?
closed
what kind of CS do bivalia have?
closed
what kind of CS do cephalapoda have?
closed
what phyla are members of Superphylum Ecdysozoa?
nematoda and arthropoda
(T/F) fragmentation is a type of asexual reproduction
true
animals within subphylum ____ are called head chordates because the ____ extends to the head
cephalochordata; notochord
which subphylum do jawless fishes, sharks, ray-finned fishes, and lobe-finned fishes belong to?
vertebrata
clade agnatha includes hagfishes and lampreys, both of which are referred to as…
jawless fishes
cartilaginous fishes…
often rely on a large, lipid filled liver to aid with buoyancy
what are members of actinopterygii?
bowfin, bass, sturgeon, piranha
(T/F) tunicates are considered invertebrate chordates, have a poorly developed brain, and are primarily sessile marine filter feeders
true
what animal does not belong to superphylum deuterostomia?
octopus
what vertebrate class is this regarding: covered in cycloid or ctenoid scales
actinopterygii
what vertebrate class is this regarding: covered in cosmoid scales
sarcopterygii
what vertebrate class is this regarding: covered in permeable, moist skin
amphibia
what vertebrate class is this regarding: covered in dry, keratinized skin
reptilia
what vertebrate class is this regarding: covered in feathers
aves
what vertebrate class is this regarding: covered in hair
mammalia
lungfishes and coelacanths belong to class ______
sarcopterygii
what taxa is not a tetrapod?
actinopterygii
simple, cuboidal epithelial cells would most likely be found in…
kidney tubules
(T/F) homeostasis requires multiple positive feedback loops that involve hormones to keep the body within a stable set point regardless of environmental change
false
smooth muscle…
is not striated, found in the heart, multi-nucleated, or under voluntary control
bone and blood are both types of _____ tissue
connective
what do tendons connect?
muscle to bone
what do ligaments connect?
bone to bone
what kind of support is hyaline cartilage? what is an example of this?
ridged support; rings of the trachea
what kind of support is elastic cartilage? what is an example of this?
stretchy support; outer ear
what kind of support is fibrocartilage? what is an example of this?
cushing support; vertebral disks
which tissue type covers the body, lines body cavities, and form glands?
epithelial
what are the four major tissue types?
- epithelial
- connective
- muscular
- nervous
(T/F) an example of a dorsal body cavity in the human body would be the vertebral canal
true
_____ metabolic rate is estimated by measuring ____ in ectothermic organisms, which is also highly dependent on temperature
standard; O2 consumption
what describes the belly surface of an organism?
ventral
what class of vertebrates does the bowfin belong to?
actinopterygii
one temporal fenestrae
synapsid
no temporal fenestrae
anapsid
two temporal fenestrae
diapsid
body temp is dependent on environmental temp
ectothermy
body temp is independent of environmental temp
endothermy
which phyla is the most ancestral group?
porifera
what trait would not be true for organisms in the class aves that is for mammals?
mammary glands
what traits would be true for aves?
3-chambered heart, hollow bones, air sacs and lungs, external development of young
(T/F) all mammals give birth to live young
false
animal that does not belong to reptilia
salamanders
_____ organisms lay eggs, which includes reptiles that produce eggs with _____ shells
oviparous; leathery
what vertebrates are endothermic?
aves and mammalia
(T/F) the shell of an amniocentesis represents one of the four extraembryonic membranes of these animals
true
what animal would have a 3-chambered heart, ventilate its lungs using positive pressure breathing, and often employ cutaneous respiration to meet oxygen demand?
frog
