Test 2 Flashcards

(100 cards)

1
Q

Community succession

A

periodic change in the assemblage of species in a Community

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2
Q

who makes up the pioneer community

A

generalist

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3
Q

true of false generalist change the environment

A

true

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4
Q

who makes up the intermediate community

A
  • few generalist

- more specialist

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5
Q

true or false specialists in an intermediate community don’t change the environment

A

false

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6
Q

who makes up the climax Community

A

specialist

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7
Q

true or false specialists in an climax community don’t change the environment

A

true

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8
Q

what is it called when an environment gets destroyed and goes back to intermediate Community

A

secondary succession

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9
Q

what has lead due to the abandoning of Kingdom Protista

A

supergroups

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10
Q

what supergroup has a groove along 1 side

A

supergroup Excavata

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11
Q

ex of supergroup Excavata

A

Euglena

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12
Q

what supergroup is flagellated, photosynthetic, similar chloroplasts

A

supergroup Archaeplastida

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13
Q

synapomorphy of supergroup archaeplastida

A

similar chloroplast

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14
Q

ex of supergroup archaeplastida

A

Volvox

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15
Q

what supergroup has amebae, fungi, slime molds, animals

A

supergroup Unikonta

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16
Q

synapomorphy of supergroup Unikonta

A

genetic evidence

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17
Q

synapomorphy of supergroup SAR

A

dna evidence

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18
Q

hypotheses of generation of multicellularity

A

STUDY

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19
Q

asymmetry

A

no plane of symmetry

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20
Q

what kind of symmetry is not designed to move

A

asymmetry

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21
Q

what symmetry has body parts arranged around a central axis and is designed to move all directions poorly

A

radial

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22
Q

bilateral symmetry

A

line divides into equal left and right sides

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23
Q

what kind of symmetry is designed to move forward well

A

bilateral symmetry

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24
Q

Divides dorsal and ventral

A

frontal plane

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25
transverse plane
divides into anterior (forward) and posterior (butt)
26
Divides into left and right
sagittal plane
27
medial
closer to the midsagital
28
farther away from midsagital
lateral
29
distal
farther from where arm attaches
30
closer to where arm attaches
proximal
31
endoderm
gastrodermis, mesoglea (non-living)
32
ectoderm
epidermis
33
what layers are in diploblastic
endoderm and ectoderm
34
what layers are in triploblastic
endoderm ectoderm mesoderm
35
no space between gut and body wall
Acoelomate
36
pseudocoelomate
space between gut and body wall not derived from mesoderm
37
space between gut and body wall is mesodermally derived
coelomat
38
advantages of a coelom
- surface area internal organs - room for stored energy - room for consumed items - hydrostatic skeleton - room for evolutionary "tinkering" - increase in overall body size
39
paraphyletic group
not all extant forms but includes common ancestor
40
Plesiomorphy
ancestral characteristics
41
syplesiomorphy
shared ancestoral characteristic
42
apomorphy
derived characteristics (new)
43
synapomorphy
shared derived characteristic
44
what animals are in phylum Porifera
sponges
45
is phylum Porifera protostome or Deuterostome?
protostome
46
is phylum Porifera diploblastic or triploblastic?
diploblastic
47
what kind of digestive tract does phylum Porifera have
- no digestive tract | - filter/suspension feeding
48
true or false: if surface area of filter increases so does filter rate
true
49
what is special about phylum Porifera no respiratory structures
all cells have access to water
50
does phylum Porifera have excretory structures
no
51
what is phylum Porifera endoskeleton made of
spongin and spicules
52
what kind of symmetry does phylum Porifera have
asymmetry
53
what level of body organization does phylum Porifera have
cellular
54
does phylum Porifera have a nervous system
no
55
does phylum Porifera have a circulatory system
no
56
what are the 3 sponge types
- ascon - sycon - leucon
57
what kind of animals are in phylum cnidaria
jellies, hydras, and sea anenamies
58
is phylum cnidaria protostome or Deuterostome?
protostome
59
is phylum cnidaria diploblastic or triploblastic?
diploblastic
60
what kind of digestive tract does phylum cnidaria have
- incomplete digestive tract - filter/suspension feeding - mouth --> pharynx ----> gastrovascular cavity - lack a series of specialized organs
61
phylum cnidaria respiratory structures
no specialized respiratory structures
62
does phylum cnidaria have excretory structures
no
63
true or false phylum cnidaria does not have a hydrostatic skeleton
false
64
what kind of symmetry does phylum cnidaria have
radial symmetry
65
what level of body organization does phylum cnidaria have
tissue
66
true or false phylum cnidaria does have a nerve network
true
67
does phylum cnidaria have a circulatory system
no
68
phylum cnidaria uses cnidocytes for
feeding and protection
69
nematocyst
stinger
70
cnidocil
trigger
71
barbs
retain prey
72
how does phylum cnidaria reproduce
- asexual: budding and fragmentation | - sexual
73
phylum cnidaria 2 body types
medusa and polyp
74
synapomorphy in class hydrozoa
endodermally derived gonads
75
what animals are in class anthozoa
anemones and corals
76
synapomorphy in class anthozoa
endodermally derived gonads
77
what animals are in class Scyphozoa
jellies
78
is phylum Platyhelminthes protostome or Deuterostome?
protostomes
79
is phylum Platyhelminthes diploblastic or triploblastic?
triploblastic: acoelomate
80
what kind of digestive tract does phylum Platyhelminthes have
incomplete * | - except Cestoda
81
phylum Platyhelminthes respiratory structures
no specialized respiratory structures
82
what does phylum platyhelminthes use as a flushing mechanism
flame cells
83
true or false phylum platyhelminthes does have a hydrostatic skeleton
true
84
what kind of symmetry does phylum Platyhelminthes have
bilateral
85
collection of sensory neurons at anterior ends
cephalization
86
true or false phylum plathelminthes does not have a nerve network and ganglia
false
87
does phylum plathelminthes have a circulatory system
no
88
what phylum is dorsoventrally flattened
phylum plathelminthes
89
is phylum plathelminthes monoecious or dioecious
monoecious
90
what animals make up class Turbellaria
flatworms
91
where do flatworms live
freshwater marine terrestrial
92
what are the 3 muscle layers in flatworms
circular muscle longitudinal muscles dorsoventral muscles
93
what do flatworms use for senses
ocelli auricles Generalized mechanoreception
94
how do flat worms reproduce
fragmentation or sexual reproduction
95
what animals make up class Trematoda
flukes
96
true or false flukes are not parasitic
false
97
function of glycocalyx
- diffusion | - protection
98
what animals make up class Cestoda
tapeworms
99
where do tapeworms live
in small intestines of mammals
100
left off in green notebook
.