Final Lab Practical Flashcards
What is attached to the trachea on a crayfish?
spiracles
Where is the location of the crayfish’s uropods?
Posterior Abdomen
What is the function of antennal glands?
Excretion
What is the sharp defensive structure on the cephalothorax of the crayfish?
rostrum
What is the shape of the Crayfish’s compound lenses?
Circular
What are the featherlike structures located under the cephalothorax of the crayfish?
maxilliped
Where do we get Amoebocyte lysate?
From the horseshoe crab
T/F The crayfish carapace covers the cephalothorax
True
Where do we find the crayfish’s brain?
Below and between the eyes
What are the functions of the spiracles on the grasshopper?
respiration
What is the shape of a grasshoppers compound lenses?
circular
What do you find between a grasshoppers crop and stomach?
gastric ceca
How many palps are on the labrum of a grasshopper?
2
Where do you find a female grasshopper’s terminal segment?
ovipositor
How many legs are found on the 5 segments of the millipede?
20
What is the oldest terrestrial arthropod?
Scorpions
What is the functions of the maxillipeds on a centipede?
poison bite
Which of the following is the primary component of chitin?
sugar
T/F Scorpions locate their prey by feeling vibrations in the sand
True
What are the intermediate hosts of the hosts of the ‘blood fluke’?
Snails
What worm is known to infest the human eye?
Loa Loa Worm
What causes the disease elephantiatis?
Filarial worm
What human structures are targeted by Schistosoma fluke?
intestinal veins
How are the ways sponges produce asexually?
Budding, gemmules
What is the genus name of a heartworm?
Dirofilaria
What is the name for an immature jellyfish after the polyp stage?
ephyra
How do you get trichinosis?
from uncooked pork
What is found on the exterior of nemotodes?
a cuticle
What is found between a hydra’s epidermis and gastrodermis?
Mesoglea
Sponges produce spongin fibers with the aid of which of the following cells?
amebocytes
Through which structures do Planaria eat and excrete?
Pharynx
What is an animal that has male and female reproductive organs?
Hemaphroditic
What is the most common parasitic worm of humans in the US?
Pinworms
How do you become infested with liver flukes?
From eating uncooked fish
Where is the location of a clam’s hinge?
Dorsal
What segment are the female gonapores found on an earthworm?
14
What worms have parapoda?
Clam worms
What structure is found on an earthworms 22nd segment?
cliteum
What segment on an earthworm would you find the prostomium?
1
Where is an earthworms nerve cord?
Ventral
What does a earthworm use nephrida for?
excretion
What holds the valve of a clam together?
adductor muscles
How do leeches lay their eggs?
cocoon
How does a clam move food from it’s gills to it’s mouth?
cilia
What structure passes through a clam’s heart?
Intestines
What structure do you find on a snails radulla?
tongue
How would you describe a lancet’s nerve cord?
Dorsal and Hollow
What is used by the sea squirt to filter the water for food?
pharengeal basket
What is the ‘rounded body’ on the top of tube feet?
ampulla
Why are lancets myomeres?
muscles
How does a sea squirt get food to its stomach?
esophagus
What is the function of the pedicellaria?
cleaning
What are the functions of ossicles?
shell construction
What organ is everted during starfish feeding?
stomach
What fish have a ‘buccal funnel’?
Lamprey eel
What are the oldest echinoderms?
Crinoids
What fins are found on lancets?
caudal
What structure connects the starfish water vascular system to the outside ocean enviroment?
madreporite
What do urochord larvae eat?
They dont
How many ossicles are located in a frog’s ear?
1
What is a specialized structure on the male frog for the process of amplexus?
Enlarged thumb
What connects a frog’s tympanum with it’s mouth?
Eustacian tube
Where do you find a frog’s lateral fold?
skin
How would you describe a frog’s optical lenses?
convex
How many toes total are on a frog?
18
What structure is attached to the trachea on a frog?
glottis
Where do you find the nictating membrane on a frog?
under the eye
Where is the location of the frog’s optic lobe?
anterior to the cerebrum
What is the structure of a frog’s heart?
2 atria and 1 ventricle
What is the sac like structure near cloaca of a frog?
Urinary bladder
What are male frog’s sperm ducts?
Vas efferentia
Where would you find a frog’s adrenal gland?
Ontop of kidney
How would you describe a frog’s large intestine?
Shorter than small
Where is a frog’s gallbladder attached?
To liver
Where is a frog’s pancreas located?
Between stomach and small intestine
What is the body cavity which houses the heart and lungs?
Thoracic
What are the white glandular structures observed on each side of the pig’s trachea?
Thymus glands
What is the location of the pig’s thyroid gland?
on the trachea
What is the function of the thymus glands?
immune system
How would you describe a pig’s pinna?
Anterior and dorsal
To which structure is closest to the pig’s urogenital papilla?
anus
What cut would seperate the pig into anterior and posterior halves?
Frontal
What is found on the pig’s hard palate that is not found on the soft palate?
Ridges
What is the structure observed on the pig deep within the nasopharynx that is responsible for closing the trachea during swallowing?
Epiglottis
How would you describe a pigs esophagus’s location?
dorsal to the trachea
What gland secretes the hormone Thyroxin to control metabolism?
Thyroid gland
What is the section of the pig’s spine located in it’s neck?
Cervical
Where do you find a pig’s urogenital opening?
Posterior to umbillical cord
What gland did you observe on the pig which is part of it’s lymphatic system?
Thymus
What phylum are flatworms in?
Phylum Playtyhelminthes
What class are tapeworms in?
Class cestoda
What is the scolex?
The hook end of a flatworm
what is the inner mother of pearl layer called?
Nacreous
How do hydra’s reproduce?
Asexually by budding
What are these structures?
1-Thymus
2-Thyroid
3-Larynx
What are these structures?
1-Urinary Bladder/Ureters and kidney
2-Spleen
3-Stomach
4-Liver
What are these structures?
1-Stomach
2-Urinary Bladder
3-Lung
What are these structures?
1-Eustacian tube
2-Vomenne teeth
3-Nares
How can you tell where the siphons are on a clam?
Where the gills narrow is the side the siphons are located
The siphons on a clam are always going to be next to the _______________ adductor muscles.
Posterior
What are these structures?
Digestive Glands
(Remember gonads will always be underneath of the digestive glands)
What are these structures?
1-Stomach
2-Urinary Bladder
3-Lung
What are these structures?
1-Calcium Carbonate shell
2-Anus
3-Digestive Gland
4-Gonads
5-Ambulacral Ridge
What are these structures?
1-buccal cavity
2-pharynx
3-heart/aortic arches
4-Seminal Vessicles
5-Seminal recepticles
6-Crop
7-Gizzard
9-Septa
What is the function of the crop?
Storage area before moving to gizzard for digestion
What are these structures?
1-cardinal teeth
2-Anterior Adductor
3-Gill
4-Foot
5 & 6- Siphons
7-Posterior adductor
8-Digestive gland/liver
9-Gonad
What are these structures?
1-Pectoral Fin
2-Pelvic Fun
3-Anal Fin
4-Caudal Fin
5-Dorsal fin
What are these structures?
1-Pharynx
2-Eyespots
3-Gastrovascular cavity
What is the function of the pharynx on plantaria?
For eating
What is this?

A Hydra
What is this?
What are the Structures?
Tape worm
1-Hook
2-Suckers
What are these structures?

spicules
What is this?

Tapeworm
What is the main function of the liver in fish?
Filters toxins
How do fish get rid of nitrogen?
By putting on their scales and allowing it to be washed away
What does the pancreas do?
Creates last of digestive enzymes and bicarbonate ions
What is the purpose of the fat bodies on frogs?
To give energy to produce eggs/sperm
What system is the diaphram part of?
The respiratory system
What does the stomach digest protiens to?
Dipeptides
What are these structures?
1-Chelipod
2-Legs
3-Telson
4-uropod
5-carpace
6-eye
7-rostrum
What are these structures?
1-Tympanum
2-Spiracles
What are the function of spiracles on a grasshopper?
respiration
What is the telson and uropod used for on a crayfish?
Swimming
What is the antennae used for on a crayfish?
Touching and tasting
Frogs are the transitional organism from what?
lobe finned fishes