PRACTICAL 2 Flashcards
1
Q
Spicules
A
Body support in sponges (porifera)
2
Q
Mesoglea
A
Body support in jellyfish (cnidaria)
3
Q
Nematocyst
A
Defensive stinging cells
4
Q
Incomplete Digestive System
A
Digestive cavity with one opening
5
Q
Collar Cell (Choanocyte)
A
Specialized flagellated cells; filter feeding (Sponges)
6
Q
Spongocoel
A
Internal cavity of sponges
7
Q
5 Traits Common to all Animals???
A
- Multicellular
- Heterotrophic
- Eukaryotic
- Aerobic Respiration
- Embryonic Development
8
Q
What are the 2 classes of sponges covered in class? How do the body support differ for each?
A
- Class Calcareous - spicules
2. Class Demospongiae - mesohyl
9
Q
What are the 3 classes of jellyfish covered in class?
A
- Class Anthozoa
- Class Scyhozoa
- Class Hydrozoa
10
Q
Class Anthozoa tends to be what generation?
A
Polyp Dominant
11
Q
Class Scyhozoa tends to be what generation?
A
Medusa Dominant
12
Q
Class hydrozoa tends to be what generation?
A
Both Polyp and Medusa Dominant; colonial polyps
13
Q
What are the 3 types of symmetry an animal might exhibit?
A
- Asymmetrical
- Radial
- Bilateral
14
Q
What phyla exhibit asymmetry?
A
- Porifera
15
Q
What phyla exhibit radial symmetry?
A
- Cnidaria
2. Echinodermata
16
Q
What phyla exhibit bilateral symmetry?
A
- Platyhelminthes
- Nematoda
- Mollusca
- Annelida
- Arthropoda
- Chordata
17
Q
What are the 3 types of level of organization?
A
- Cellular
- Tissue
- Organ System
18
Q
What phyla exhibit cellular level of organization?
A
- Porifera
19
Q
What phyla exhibit tissue level of organization?
A
- Cnidaria
20
Q
What phyla exhibit organ system level of organization?
A
- Platyhelminthes
- Nematoda
- Mollusca
- Annelida
- Arthropoda
- Echinodermata
- Chordata
21
Q
How does the level of organization differ between a sponge and jelly fish?
A
Sponge - cellular
Jellyfish - tissue
22
Q
Amoebocytes
A
ameboid cells responsible for transport and repair of nutrients
23
Q
Spongocoel
A
internal cavity of sponge
24
Q
Mesohyl
A
a type of body support for sponge; connective material
25
Endoderm
lining of gut in embryo of cnidarian
26
Gastrodermis
specialized tissue; "stomach skin"
27
Mesoglea
body support for jellyfish
28
Cnidoblasts
specialized secretion cell for cnidarians
29
How do sponges reproduce?
sequential hermaphroditism - alternate between being male and female
30
How do cnidarians reproduce?
Sexual or asexually (budding)
31
What phase of a jellyfish is pelagic?
Medusa
32
What phase of a jellyfish is sessile?
Polyp
33
The medusa phase of a jellyfish is what?
pelagic
34
The polyp phase of a jellyfish is what?
sessile
35
Define incomplete digestive system
Having only one opening for both ingestion and egestion
36
What type of symmetry do sponges possess?
Asymmetrical
37
What level of organization do jellyfish exhibit?
Tissue
38
What are spicules and to what class are they seen?
Body support for sponges; Class Calcareous
39
What is a nematocyst?
Defensive stinging cells (jellyfish)
40
What is a function of sponge amoebocyte cells?
Resposible for transport of nutrients and repair
41
Triploblastic
(3) total germ layers - epidermis, endodermis, mesoderm
42
Cephalization
Sensory organs in centralized head region
43
Hermaphrodite
both male and female reproductive system
44
Complete Digestive System
having (2) openings for ingestion and egestion - anus and mouth
45
Closed Circulatory System
blood closed within vessels at all times
46
Protonephridia
tubes that college nitrogenous wastes
47
Auricles
organs of tactile reception and chemoreception
48
Setae
bristles (made of chitin)
49
Parapodia
Fleshy appendages (movement); contain lots of blood vessels (respiration & gas exchange)
50
Pen
Reduced Mantle
51
Scolex
anterior end of body; has rostellum with hooks and suckers
52
What phylum is flatworms?
Platyhelminthes
53
What phylum is mollusks?
Mollusca
54
What phylum are segmented worms?
Annelida
55
What are the 3 classes for flatworms?
Phylum Platyhelminutes
1. Class Turbellaria (Planaria)
2. Class Trematoda (Flukes)
3. Class Cestoda (Tapeworms)
56
What are the 3 classes for mollusks?
Phylum Mollusca
1. Class Bivalvia (clams)
2. Class Cephalopoda (squid)
3. Class Gastropoda (snail)
57
What are the 2 classes for segmented worms?
Phylum Annelida
1. Class Polychaeta (bristle worms)
2. Class Clitellata
58
What are the 2 SUBclasses for class clitellata?
Phylum Annelida
1. Subclass Hirudinea (leeches)
2. Subclass Oligchaeta (earthworms)
59
What phylum is a roundworm?
Phylum Nematoda
60
What phylum does the roundworm ascaris belong to?
Nematoda
61
Describe the Ascaris worm body cavity.
Pseduoceolomate and Dioescious
62
How might you differentiante between a male and female Ascaris roundworm?
Male = small, female = larger; posterior end curls to form a hook in males; females have straight posterior
63
In ____ the blastopore develops into the mouth.
protostomes
64
In ___ the blastopore develops into the anus.
deuterostomes
65
4 Characteristics Traits that explain success of Arthropods
1. Jointed Appendages
2. Exoskeleton
3. Antennae
4. Advances in Respiratory Structures
66
What are the 4 subphylum of arthropods?
1. Subphylum Crustacea
2. Subphylum Hexapod
3. Subphylum Chelicerata
4. Subphylum Myriapoda
67
What is the class for subphylum crustacea?
Class Malacostraca
68
What is the class for subphylum hexapoda?
Class Insecta
69
what are the 2 classes for subphylum chelicerata?
1. Class Merostomata
| 2. Class Arachnida
70
What are the 2 classes for subphylum myriapoda?
1. Class Chilopoda
| 2. Class Diplopoda
71
Arthropods exhibit segmentation. List 3 potential body segments?
1. Head
2. Thorax
3. Abdomen
72
List 4 characteristics common to ALL chordates
1. Notocord
2. Dorsal Hollow Nerve Cord
3. Pharyngeal Gill Slit
4. Post Anal Tail
73
List the 7 vertebrate classes?
1. Agnatha
2. Chondrichthyes
3. Osteichthyes
4. Amphibia
5. Reptilia
6. Mammalia
7. Aves
74
What is an example of the vertebrate class agnatha?
jawless fish - lamprey
75
What is an example of the vertebrate class chondrichthyes?
cartilagionous fish - sharks
76
What is an example of the vertebrate class osteichthyes?
bony fish - ray-finned fishes
77
What is an example of the vertebrate class amphibia?
frogs
78
What is an example of the vertebrate class reptilia?
Lizads; turtles
79
What is an example of the vertebrate class mammalia?
humans
80
What is an example of the vertebrate class aves?
birds
81
What are the 3 classes of phylum mollusca?
1. Bivalvia (clams)
2. Gastropoda (snails)
3. Cephalopoda (squid)
82
What does bivalvia mean?
"2-shell"
83
What does gastropoda mean?
"stomach foot"
84
What does cephalopoda mean?
"head foot"
85
What does echinoderm mean?
"spiny skinned"
86
What part of an echinoderm serves as a function for feeding, movement, and defense?
water vascular system
87
Starfish belong to what phylum and class?
Phylum Echinodermata
| Class Asteroidea
88
How would you describe the echinoderm larvae?
bilateral
89
How would you describe the adult echinoderm symmtry?
radial
90
What phylum are protostomes?
1. Mollusca
2. Annelida
3. Arthropods
91
What phylum are deuterostomes?
1. Echinoderms
| 2. Chordates
92
What is the 1 class in the subphylum vertabrata? give an example and unique trait?
1. Class Agnatha, Lamprey, Jawless Fish
93
What is the 2 class in the subphylum vertabrata? give an example and unique trait?
2. Class Chondrichthyes - Sharks - Cartilagenous Fish
94
What is the 3 class in the subphylum vertabrata? give an example and unique trait?
3. Osteichthyes - Ray-finned Fish - Bony Fish
95
What is the 4 class in the subphylum vertabrata? give an example and unique trait?
4. Amphibia - Frogs - Gills during development
96
What is the 5 class in the subphylum vertabrata? give an example and unique trait?
5. Reptilia - Turtles - Amniotic Egg
97
What is the 6 class in the subphylum vertabrata? give an example and unique trait?
6. Aves - Birds - Feathers for Flight
98
What is the 7 class in the subphylum vertabrata? give an example and unique trait?
7. Mammalia - Eutherian (placental mammals) - 4-chambered heart
