Lab Test 2 - Study Guide Flashcards
-Phylum-
Sponges :
Porifera

Grantia - Cross Section
___________ are multicellular
Sponges
Sponges can reprodue both _________ and __________
Sexually and Asexually
The inner most cell layer in a sponge is the:
Collar cell layer
Collar cells in a sponge have _________ which cause the water to circulate
Flagella
The opening in the center of the sponge is the central cavity. The cells that outline the cavity are __________
Collar cells
Slide of _________

Sponge Spicules
Sponge Anatomy
- Pore
- Canal
- Canal
- Central Cavity
- Osculum
- Epidermus (outer most layer)
Sponge Anatomy
- Canal
- Canal
- Spicule
- Spicule
- ???
- Collar Cell (choanocyte)
- Amoebocyte
- Epidermus (outer most layer)
Sponge Anatomy
- Collar Cell (chaoanocyte)
a. Collar - (to collect food)
b. Nucleus
c. Yolk Body
d. Flagellum (circulate water)
___________ are cells that move around in the sponge that are capable of becoming other cells
Ameobocytes
Two body plans of Cnidarians
- Polyp
- Medusa
Polyp is a cylindrical bodied organism with tentacles located around the ________.
Medusa is a _________ with tthe mouth on the __________
- mouth
- jellyfish
- underside
Hydrozoa Anatomy
- Mouth
- Tentacle
- Nematocyst battery
- Epidermis (grey area on model)
- Mesoglea
- Gastrodermis
- Gastrovascular cavity
- Testis
- Ovary
- Bud
- Stalk
- foot
- Glandulomuscular cell
- Cilia
Hydrozoa Anatomy
- Epitheliomuscular cell
- Interstitial cell
- Nutritive cell
- Gland cell
- Sensory cell
- Cilia
Hydrozoa Anatomy
- A. Penetrant (before and after discharge)
- a. Cnidoblast
- b. Cnidocil
- c. Thread tube
- d. Nucleus
- e. Cap
Hydrozoa Anatomy

- B. Streptoline glutinant
- C. Steroline glutinant (stinger)
- D. Volvent
__________ - Home of the Polyp
Coral
Hydrozoa Life Cycle

- Embryonic development
- a. Zygote
- b-d. Cleavage
- Planula (free swimming larva)
- Young polyp
- 4-5. Developing colony
- Colony of Polyps
- a. Feeding polyp
- b. Reproductive polyp
- Young medusa
- Mature medusa
Obelia is a Marine __________. It’s usually attached to _______, shells and other things that do not float around
- Cnidarian
- Rocks

Obelia colony
-Two types of Polyps-
The _________ polyp has tentacles
The _________ polyp does not have tentacles
- Feeding
- Reproductive
The __________ polyps have a gastrovascular cavity. It is continuous through all of the polyps in the colony. The __________ polyps do not feed. They do nto have any __________ to catch food.
- feeding
- reproductive
- tentacles
The reproductive polyp reproduces __________ by budding off small little medusas (jellyfish) These medusa are either male or female and can reproduce __________
- Asexually
- Sexually
The __________ swims around seeking out a suitable habitat that has sufficient food _________ in the water. When the habitat is found the planua will attach to the bottom and grow into the mature ________
- planua
- floating
- colony

Obelia medusa
(blue and pink stain)
The function of the ________ is dispersal from the mature colony and ________ reproduction
- medusa
- sexual
_________ : Free swimming larva
Planula
The Planula is the free swimming larva that will eventually develop into the __________
mature colony

Planula
Jellyfish are _________
Medusas
___________ : The one eating the fish
Portuguese Man-of-war
The Portuguese Man-of-war is not a ___________
Jellyfish
Portuguese Man-of-war is a colony of ________ with a large gas filled ________
- polyps
- bladder
The long tentacles of the Portuguese man-of-war hang down from the air _______ have numerous _________ and catch a large number of prey
- bladder
- nematocysts
Polyps emerge from their protective _______ hideouts with their ________ to collect food from water
- coral
- tentacles
-Phylum-
Hydra :
Cnidaria
-Phylum-
Obelia :
Cnidaria
-Phylum-
Medusa
Cnidaria
-Phylum-
Jellyfish
Cnidaria
-Phylum-
Portuguese Man-of-war
Cnidaria
-Phylum-
Coral
Cnidaria
-Phylum-
Flatworms
Platyhelminthes
-Phylum-
Roundworms
Nematoda
-Phylum-
Segmented worms
Annelida
-Type of worm-
Planaria
Flatworm

Planaria
-Phylum-
Planaria :
Platyhelminthes
-Phylum-
Sheep liver fluke
Platyhelminthes
-Phylum-
Blood Fluke
Platyhelminthes
-Phylum-
Tape worm
Platyhelminthes
-Phylum-
Trichinella
Nematoda
-Phylum-
Hookworm
Nematoda
-Phylum-
Pin worm
Nematoda
-Phylum-
Earthworm
Annelida
__________ : has eye spots
Planaria
Planaria is found in __________
Fresh water
The _________ is a small hose in the midsection of the planaria that is used to draw in food
pharynx
What is it

Sheep liver fluke
The planaria is a __________ flat worm
Non-Parasitic
All flukes are _________ on or in animals
Parasites
People contract the _________ while wading in shallow pools of water
Blood fluke
What is it

Blood Fluke
What is it

Tapeworm
The _________ sits in the intestine and absorbs all the nutrients it requires
tapeworm
What is it

trichinella spiralis
trichinella are __________
Roundworms
People get trichinella from undercooked _________ or _________ meat
- pork
- bear
What is it

Hookworm
6.
8.
9.
- ?
11.
16.
- Mouth
- Pharynx
- Esophagus
- ?Esophagus
- Crop
- Nephridium
11.
12.
13.
27.
- Crop
- Gizzard
- Intestine
- Ventral Nerve Cord
13.
- Intestine
Annelida - Earthworm - Organs
__________ : Large swelling on the outside; Shorter side is the head end
Clitellum
Annelida - Earthworm - Organs
__________ : To eat decomposing grass clippings etc.
Mouth
Annelida - Earthworm - Organs
__________ : Large muscular structure to suck in food
pharynx
Annelida - Earthworm - Organs
__________ : Food passes through
Esophagus
Annelida - Earthworm - Organs
__________ : For food storage
Crop
Annelida - Earthworm - Organs
__________ : For grinding the food
gizzard
Annelida - Earthworm - Organs
__________ : Absorb nutrients; full lenght all the way to the anus
Intestine
Annelida - Earthworm - Organs
__________ : Control elimination of waste
Anus
Annelida - Earthworm - Organs
__________ : On backside of digestive system
Dorsal blood vessel
Annelida - Earthworm - Organs
__________ : Circulation; opposite side of digestive system (yellowish/cream color)
Ventral blood vessel
Annelida - Earthworm - Organs
__________ : Connect dorsal to ventral blood vessel; Have 5 of them
Hearts
Annelida - Earthworm - Organs
__________ : Swelling of nerves
Brain-like structure
Annelida - Earthworm - Organs
__________ : Detect stimuli
ventral nerve cord
Annelida - Earthworm - Organs
__________ : Function in regulating fluids
Nephridium
-Phylum-
Grasshopper :
Arthopoda
-Phylum-
Crayfish
Arthopoda
What is it

Lancelet
-Phylum-
Frog :
Lancelet
Lancelet has no __________
backbone
-Phylum-
Pig :
Chordata
-Phylum-
Pig :
Chordata
-Dental Order-
-
Canine
-
Molar
Incisor
Canine
Premolar
Molar
-Dental Order-
Incisor
-
Premolar
-
Incisor
Canine
Premolar
Molar