Lab Practical One Flashcards
(136 cards)
1
Q
Genus of class Turbellaria
A
Dugesia
2
Q
Genus of class Trematoda
A
Fasciola
Schistosoma
Clonorchis
3
Q
Genus of class Cestoda
A
Taenia
4
Q
Habitat of phylum Platyhelminthes
A
Marine/aquatic
5
Q
How many germ layers does Platyhelminthes
Have
A
Three
6
Q
What are the germ layers of Platyhelminthes
A
Ectoderm, endoderm, and mesoderm
7
Q
Class of phylum Platyhelminthes
A
Class Turbellaria
Class Trematoda
Class Cestoda
8
Q
what does acoelomates mean
A
no body cavity
9
Q
do Platyhelminthes have body cavities
A
no
10
Q
what type of symmetry do Platyhelminthes have
A
bilateral symmetry
11
Q
what does monoecious mean
A
contain both female and male sex organs
12
Q
are Platyhelminthes monoecious
A
yes
13
Q
describe digestive system of platyhelminthe
A
no complete digestive tract, contains gastrovascular cavity
14
Q
what are the muscles in platyhelminthes
A
circular muscle, longitudinal muscle, dorso-ventral muscle
15
Q
when a circular muscle constricts what happens
A
becomes thinner and longer
16
Q
when longitudinal muscle contracts what happens
A
short and thick
17
Q
what type of lifestyles do Platyhelminthes have
A
free living and parasitic
18
Q
which Platyhelminthes are free living
A
class turbellaria (dugesia)
19
Q
which Platyhelminthes are parasitic
A
class trematoda, class cestoda
20
Q
what is a gravid
A
a mature proglottid
21
Q
what do gravids do when they mature
A
they brake off and contaminate areas
22
Q
tape worms have heads called what
A
scolex
23
Q
what are the three basic concepts in microscopy
A
resolving power, magnification, contrast
24
Q
resolving power
A
the capacity of the microscope optics to distinguish or separate two adjacent objects or points from one another
25
magnification
the degree to which an image in enlarged
26
contrast
the ability to see structural detail against the background
27
ocular lenses use what magnification
10x
28
gap junctions
cells joining and sharing cytoplasm
29
what is in extracellular matrix
carbohydrates and proteins
30
what proteins are in extracellular matrix
collagen, fibrin and elastin
31
nucleoplasm
in nucleus
32
cytoplasm
in cell
33
protoplasm
both cyto and nucleoplasm
34
symplasm
multiple cells sharing plasm
35
function of cytoskeletion/ microtubules
maintain cell structure
36
the four basic tissue types
epithelial, connective, muscle and nervous
37
tissue
a group of similar cells performing a similar function
38
function of epithelial cells
cover or line body organs
39
three types of epithelial cells
squamous, cuboidal, columnar
40
squamous epithelial cells are found where
in multiple layers covering the body and as one layer lining blood vessels
41
characteristics of squamous
round in shape with a centrally located nucleus
42
characteristics of cuboidal
cube shaped with centrally located nucleus
43
where cuboidal cell found
lining ducts of the body, often secretory tissue
44
characteristics of columnar
rectangular with a basally located nucleus
45
where columnar found
lining intestines and respiratory passages
46
function of connective tissue
binds, supports, cushions body organs, transports materials
47
4 types of connective tissue
hyaline cartilage, adipose, bone, and blood
48
function of hyaline cartilage
to protect and support organs
49
function of adipose
cushion organs and to store lipid as a potential source of energy
50
function of bone
support and protect the body and to assist in motion
51
function of blood
transport a variety of substances throughout body
52
muscle tissue is composed of
myofibers
53
three types of muscle tissue
skeletal, cardiac, and smooth
54
function of skeletal
animate the skeleton and create heat
55
characteristics of skeletal
elongate and appear striated due to fiber arrangement , multinucleated
56
function of cardiac muscle
to propel blood into the circulatory system
57
characteristics of cardiac
striated, mononucleate, branching and terminate in distinct bands called intercalated discs
58
location of smooth muscle
in the walls of many internal organs, blood vessels,
59
function of smooth
propel food through GI tract and to assist in maintaining blood pressure
60
characteristics of smooth
not striated, tapering at ends
61
function of nervous tissue
receive both internal and external stimuli and to transmit these as impulses to various parts of the body
62
phylum Protista are a weird phylum bc
act like plants, fungus and animals
63
phylum chlorophyta
volvox
64
characteristics of volvox
plant like, photosynthetic, colonial, flagellated by 2, spherical, unicellular, autotrophic
65
mobility of volvox
2 flagella
66
phylum retortamonada
class diplomonadea, giardia
67
giardia characteristics
parasite
resting stage (cyst)/ feeding stage (trophozoite)
flagellated
unicellular
68
mobility of giardia
flagella
69
phylum axostylata
class parabasalea, trichomonas
70
characteristics of trichomonas
modified cytoskeleton, parasite, unicellular
71
phylum euglenozoa
```
class euglenoidea, euglena
class trypanosomatidea, trypanosoma
```
72
characteristics of euglena
```
free living and parasitic
mixotrophic
contain chloroplasts
flagellated
unicellular
some membrane and proteins constitutes a pellicle
```
73
mobility of euglena
flagella
74
characteristics of trypanosoma
blood parasite, biting fly transmits
75
phylum apicomplexa
class coccidea, plasmodium
76
plasmodium characteristics
malaria, blood parasite, trophozoite in slides
| life cycle split between human and mosquito
77
phylum ciliophora
paramecium, Stentor, vorticella, didinium
78
characteristics of paramecium, Stentor, vorticella and didinium
unicellular and cilia
| some of the most complex cells among eukaryotes
79
amoeba and difflugia
move by pseudopodia
80
phylum sarcodina
amoeba and difflugia
81
phylum porifera are
sponges
82
habitat of porifera
marine and aquatic
83
type of digestion for porifera
filter feeders
84
movement of porifera
sessile, fixed position
85
do porifera have true tissues
no
86
do porifera have organs or organ systems
no
87
porifera: unicellular or multi
multi
88
choanocytes
feeding cells which contain flagella that produce current by beating
89
ameobocytes
food redistribution
90
sclerocytes
produce skeleton that give sponge structure
91
pinacocytes
covering cell
92
spicules
help give sponge its shape
93
metazoans
multicellular animals
94
sponges reproductive system
monoecious, reproduce sexually and asexually
95
calcareous spicules
contain calcium carbonate
96
siliceous spicules
contain silicone dioxide
97
sponging fibers
contain proteinacious
98
phylum porifera has how many classes
three
99
class calcarea
scypha, leucosolenia
100
class hexactinellida
euplectella
101
class demospongiae
spongia
102
scypha has what body
syconoid
103
leucosolenia contains what spicules
sponging and calcareous
104
euplectella has what spicules
siliceous
105
spongia has what body form
leuconoid
106
three types of sponge bodies
asconoid, syconoid and leuconoid
107
habitat of phylulm cnidaria
primarily marine but some aquatic
108
symmetry of cnidaria
radially symmetrical
109
cnidarian are first animals to display a
a tissue level of organization
110
diploblastic
derived from two tissue layers
111
dimorphic
two stages
112
what are the two stages of cnidaria
medusae and polyp
113
what stage is motile for cnidaria
medusae
114
what stage is sessile for cnidaria
polyp
115
what is the digestion system like for cnidaria
one gut, one opening, no complete digestion system, has gastrovascular cavity
116
what are the basic cell types in cnidaria
epitheliomuscular cell and gastrodermal cell
117
what sits between epitheliomuscular and gastrodermal cell
mesoglea
118
the germ layer for cnidarian consists of
ectoderm and endoderm
119
ectoderm
rise to epidermis cell
120
endoderm
rise to gastro cell
121
when is ectoderm and endoderm formed in cnidaria
created in early stages of development
122
cnidocytes
contain nematocysts
123
nematocysts are used for
prey capture and defense
124
how many classes of cnidaria
three
125
class hydrozoa
hydra, obelia, gonionemus, physalia
126
class scyphozoa
aurelia
127
class anthozoa
metridium, meandrina, gorgonian, tubipora
128
classification
the ordering of organisms into groups based on their relationships
129
phylogeny
evolutionary history of a group of organisms
130
homology
any character or structure that is similar in two or more organisms due to common ancestry
131
analogy
any character that is similar because two organisms evolved under similar environmental pressures
132
taxonomy
the study of the basis, principles, procedures, and rules of classifications
133
cladistics
phylogenetics
| places organisms into groups based on their recency of common descent
134
synapomorphies
shared derived character
135
symplesiomorphies
shared ancestral conditions
136
cladograms
phylogenetic trees
| a graphical demonstration of the phylogenetic relatedness of organisms depicted at various taxonomic levels
