Exam 2 Flashcards
No Insects (71 cards)
1
Q
Phylum Porifera
A
Sponges
2
Q
Phylum Porifera Traits
A
-primative: no mouth, tissues, organs
-filter feeder
-sessile as adults
-calcareous: calcium carbonate “skeleton”
or -siliceous: made of silica
or -spicules: criss cross “skeleton”
or -spongin: soft and spongy
3
Q
calcareous
A
made of calcium carbonate
4
Q
siliceous
A
made of silica
5
Q
spicules
A
found in sponges for structural support
6
Q
spongin
A
found in sponges soft and squishy
7
Q
sessile
A
stationary as adults
8
Q
erect sponge
A
grows upright
9
Q
encrusting
A
grows flat on stationary surfaces
10
Q
random body shape
A
no symmetry
11
Q
Asymmetrical
A
not symmetrical
12
Q
Bilateral
A
can be split evenly in half
13
Q
radial symmetry
A
can be spilt like a pie or pizza
14
Q
Phylum Cnidaria
A
Jellies
15
Q
Phylum Cnidaria Traits
A
- radial symmetry
- ring of feeding tentacles with nematocysts
- medusa body shape: tentacles face down
16
Q
nematocysts
A
stingers at the end of tentacles
17
Q
Phylum Cnidaria Three Major Classes
A
- Class Scyphozoa (true jellies)
- Class Anthozoa (polyp body shape)
- Class Hydrozoa (others)
18
Q
Class Scyphozoa
A
True Jellies
- medusa body
- oral surface facing downward
19
Q
Class Anthozoa
A
Polyp Body Type
- anemones
- oral surface facing upwards
20
Q
Class Hydrozoa
A
Various Body Types
- solitary or colonial
- By the Wind Sailor
- Portugese Man O’ War
21
Q
By the Wind Sailor
A
Class Hydrozoa
-floats has a sail and trails tentacles in water
22
Q
Portuguese Man O’ War
A
Class Hydrozoa
-floats with air sac has longer tentacles that trail in water
23
Q
Phylum Platyhelminthes
A
Flat Worms
24
Q
Phylum Platyhelminthes Traits
A
- bilateral symmetry
- ventral cilia (hair-like structures)
- anterior: side of vital organs
- posterior: opposite of anterior
- free-living or parasitic
25
ventral cilia
hair-like structures on the dorsal surface of platyhelminths (flat worms)
26
Parasitic Platyhelminthes (Flat Worms)
Tapeworm and Fluke
| -covered in a cuticle that protects them from digestion
27
Phylum Nematoda
Round Worms
28
Phylum Nematoda Traits
Round Worms
- bilateral symmetry
- spindle shaped bodies (one round end one pointy end)
- round cross-section
- free-living or parasitic
29
Phylum Annelida Traits
- bilateral
| - segmented
30
Phylum Annelida 3 Classes
- Class Polychaete
- Class Earthworm
- Class Leeches
31
Phylum Annelida: Class Polychaete
Marine Worms
- pair of parapodia (locomotion or respiration) and bristles on each segment
- segmented
32
Phylum Annelida: Class Earthworm
- no parapodia (nubs that stick out)
- bristles reduced
- intersex: both male and female parts
33
Phylum Annelida: Class Leeches
- no parapodia or bristles
| - anterior and posterior suckers
34
Class Polyplacophora Species
Chitons
35
Class Polyplacophora Traits
Chitons
- 8 dorsal valves
- girdle: surrounds outside of dorsal valves
- muscular foot
- radula: feeding "tube"
36
Class Gastropoda
Snails or Slugs
37
Class Gastropoda Traits
- shells or not
- herbivores (exposed gills to catch plankton)
- or carnivores (sea/slugs)
- Abalone: shell with holes
- Periwinkles: small shelled sea snails
- Limpets: cone shaped shell
- Garden and Banana slugs
- Garden Snail
- Sea Hare: sea slug
- Nudibranchs: carnivorous sea slug / (naked gills)
38
Periwinkles
small shelled sea snails
39
Abalone
shell with holes
40
Limpets
cone shaped shell
41
Sea Hare
Sea Slug
42
Nudibranchs
Anemone-looking
| carnivorous sea slug
43
Class Bivalves
- California Muscles
| - Bean Clam
44
Class Cephalopoda
- Opalescent Squid: shiny, head fin (8 arms + 2 tentacles)
- Giant Pacific Octopus: red white orange (8 arms)
- Two-Spotted Octopus: two brown spots (8 arms)
45
Phylum Arthropoda
Jointed Leg
- segmented body and legs
- exoskeleton chitin must be molted
46
Phylum Arthropoda: Subphylum Crustacea
- mostly marine
| - respire with gills
47
4 Major Groups of Crustacea
- Decapods
- Amphipods
- Barnacles
- Isopods
48
Group of Crustacea/ Decapods
Decapods:
Cray Fish: fresh water, (mini lobster) no large claws
Spiny/Rock Lobster: marine no large claws
Crustacea: Shore Crabs/Kelp Crabs/Cancer Crabs
-10 legs
-cephalothorax: head thorax fusion
49
Shore Crabs
Square Boxy Carapace
| flattened thorax that covers most of body
50
Kelp Crabs
Fan-Like Carapace
| flattened thorax that covers most of body
51
Cancer Crabs
Shield-Like Carapace
| flattened thorax that covers most of body
52
Male Crabs
Narrow Abdomen
53
Female Crabs
Wider Abdomen to carry eggs
54
Sand Crabs
- stream-line carapace (bullet shape)
| - burrow into sand
55
Hermit Crabs
-live in empty gastropod shell
56
Isopods
```
Sow Bug (rolly polly)
-Dorsoventrally flattened (can be split into left vs right side)
```
57
Amphipods
Beach Fleas
| -Laterally Flattened (can be split into top and bottom)
58
Barnacles
```
Acorn Barnacles (little volcanoes)
Goose Barnacles (spotted/overlapping spots)
```
59
Phylum Arthropoda: Class Arachnid
- eight legs
- usually eight eyes
- cephalothorax and abdomen
- terrestrial carnivores
60
Black Widow
- no webs
| - red hourglass shape on underside of females only
61
Brown Widow
- look like black widow but not poisonous
| - spiky egg sacs
62
Crab Spider
- live in flower that matches their body color
| - two outstretched front legs
63
Jumping Spider
- active hunters
- cute: two enlarged front facing eyes
- always trail silk in case of jump
64
Green Lynx
- green
- lives in trees
- no webs
65
Cobweb Spider
Daddy Long Legs
66
Orb Weaver
- large circular webs
| - females have stripes
67
Arachnid Anatomy: Pedipalp
- front facing appendages on face of spider
| - used for sensory and mating
68
Arachnid Anatomy: Respiration
Spiracles: breathing holes on side of abdomen
| Or Book Lungs: gill like breathing slits on side of abdomen
69
Arachnid Anatomy: Webs
Spinnerets: produce webs; which can vary in thickness and stickiness
70
Arachnid Anatomy: Legs
Attached to the cephalothorax (head thorax fusion)
71
Arachnid Anatomy: 2 Major Body Parts
Cephalothorax: head thorax fusion
| Abdomen
