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BIOL212

Majors animal: Lab practical two questions

QuestionAnswer
What type of respiratory system does a horseshoe crab have? Book gills with operculum
What is the function of the telson in a horseshoe crab? Digging and a lever if upside down
What is the function of the simple eye and gill operculum in a horseshoe crab? Light sensitivity and outlines; covers book gills, covers genital pores
The respiratory pigment used for oxygen transport in horseshoe crabs is called _______. Hemocyanins
What is the function of the anus in a horseshoe crab? Egestion of undigested food
In order to grow, horseshoe crabs have to do what? Molt (ecdysis)
What phylum do horseshoe crabs belong to? Arthropoda
Which subphylum do horseshoe crabs belong to? a) Trilobita b) Chelicerata c) Crustacea d) Uniramia e) Hexapoda B) Chelicerata
Which class do horseshoe crabs belong to? a) Maxillopoda b) Malacostraca c) Symphyla d) Merostomata e) Monoplacophora D) Merostomata
What type of circulatory system do earthworms have? Closed circulatory system
What is the physiology of the crop in an earthworm? Temporary food storage
What is the physiology of the seminal vesicles in an earthworm? Store maturing sperm
What is the physiology of the gizzard in an earthworm? Grinds soil, separates usable and unusable material
What is the function of the pharynx in an earthworm? Pumps in soil
What is the physiology of the dorsal blood vessel in an earthworm? Returns blood to aortic arches
Are earthworms dioecious or monoecious? Monoecious
What evolutionary advancement do earthworms have that no other phyla up to this point have had? Segmentation
What phylum do earthworms belong to? Annelida
What class do earthworms belong to? a) Scaphopoda b) Cephalopoda c) Hirudinea d) Polychaeta e) Oligochaeta E) Oligochaeta
What phylum do stone crabs, barnacles, copepods, ostracods, fairy shrimp, and water fleas belong to? Arthropoda
What is the physiology of the ink sac in a squid? Secretes black fluid when alarmed for escape
What is the physiology of the radula in a squid? Used to ram small food pieces into esophagus
What phylum do squid belong to? Mollusca
What class do squid belong to? a) Diplopoda b) Cephalopoda c) Polyplacophora d) Gastropoda e) Pauropoda B) Cephalopoda
What is the pen in a squid made of? What vestigial structure does it represent for them? Chitin; shell
The arms of males are longer and thicker than those of females, and in the mature male the left fourth arm becomes slightly modified for the transfer of spermatophores to the female. This transition is called_________. Copulation
What type of circulatory system does the squid have? What type do most Molluscs have? Closed system; open system
List three evolutionarily advanced features of the squid not seen up to this phylum. Complex eyes, centralized brain, chromatophores
Squid and octopi can change colors quickly. How? Chromatophores
What evolutionary advantage does changing colors quickly give squid and octopi? Camouflage
What is the function of the antennule in a crayfish? Chemosensory, tactile, equilibrium reception
What subclass do crayfish belong to? a) Amphibia b) Copepoda c) Cirripedia d) Decapoda e) Isopoda f) Ostracoda D) Decapoda
Crayfish have two-branched appendages which is more specifically called _________. This is a good example of _________ homology. Biramous; serial homology
Four pairs of walking legs of the crayfish have no exopod, therefore they are called _________. (single branched?) Swimmerets
The part of the appendage attached to the body is called the _______. The medial branch is the ________ and the lateral branch is the exopod. Protopod; endopod
To which class does the crayfish belong? a) Maxillopoda b) Malacostraca c) Merostomata d) Mammalia e) Arachnida f) Insecta B) Malocostraca
The heart of a crayfish is located dorsally or ventrally? Dorsally
When you eat a crayfish do you eat the head, thorax, or abdomen? Abdomen
What is the name of the muscle you eat in crustaceans such as crayfish or lobsters? Abdominal flexor
What phylum do trilobites belong to? Arthropoda
What subphylum do trilobites belong to? Trilobita
Where in the biosphere would I start looking to find a living trilobite? You can't, they are extinct
What is the physiology of the gastric mill in crayfish? Where is it located? Grind food particles; anterior part of stomach
What organ system is the antennal gland (green gland) a part of in crayfish? Excretory system
What is a setae in a earthworm? Hairlike/bristlelike structure
What is the physiology of a setae in an earthworm? Anchoring/control during movement
What is peristalsis? Involuntary contraction of intestinal muscles
What is the advantage of having both circular and longitudinal muscles? Better locomotion
What class do centipedes belong to and what led you to your answer? a) Pauropoda b) Maxillopoda c) Arachnida d) Chilopoda e) Diplopoda f) Insecta D) Chilopoda; one pair of legs per segment
What class do millipedes belong to and what led you to your answer? a) Pauropoda b) Maxillopoda c) Arachnida d) Chilopoda e) Diplopoda f) Insecta E) Diplopoda; two pairs of legs per segment
Are garden centipedes dangerous? Yes, they have dangerous venom claws behind their heads
What class do garden centipedes belong to? a) Chilopoda b) Diplopoda c) Symphyla d) Pauropoda e) Insecta C) Smyphyla
What is the physiology of the tympanum on a grasshopper? What is the unique excretory system of grasshoppers called? Receives sound waves; Malpighian tubules
What is the physiology of the ovipositor in a grasshopper? Penetrates soil to make room for egg deposition
What phylum does the grasshopper belong to? Arthropoda
What class does the grasshopper belong to? Insecta
What is the physiology of the hinge ligament in bivalves? Open/close shell
What is the physiology of the anterior and posterior adductor muscle in bivalves? Close shell and holds valves tightly together
What is the physiology of the foot protractor muscle in bivalves? Foot movement
The oldest and thickest part of the bivalve shell is closest to the _________. Umbo
What are bivalve shells made of? Calcium carbonate
Which structure/organ synthesizes the clam shell? Mantle
What type of feeder is the clam? Filter feeder
Why do some marine clams have siphons? Incurrent/excurrent of water over gills to aid in respiration
What type of circulatory system does the clam have? Open circulatory system
What class does the clam belong to? Bivalvia
In the hive of the honeybee, there are three castes called _______, ________, and ________. Queen; workers; drones
Which honeybee cast is the male? Are they haploid or diploid? Drones; haploid
What is the physiology of the shell of gastropods? Protection, structure
What is the physiology of the mantle of gastropods? Secretes shell
What is the physiology of the gastropods' seminal receptacle (spermatheca)? Is this considered the male or female part of the animal? Receive sperm; female
The spiral turn of the shell of gastropods is either right or left. If it is a right-handed spiral it is called ______. If it is a left-handed spiral it is called ______. Dextral; sinistral
What phylum do sea lilies belong to? Echinodermata
What class do sea lilies belong to? Crinoidea
What is the function of the water vascular system (hydrostatic endoskeleton) in sea stars? Structure/locomotion
What is the function of the madreporite plate in sea stars? Pressure regulator and simple filter
What is the physiology of the pedicellariae in sea stars? Kills small organisms on body surfaces
What type of nervous system do sea star have? Simple
Is the sea star anus on the oral or aboral surface? Aboral
What organ can the sea cucumber regurgitate, then readily regenerate, when agitated? Stomach
When a queen honeybee produces haploid cast members, this is an example of _________. Parthenogenesis
What is unique about the queen honeybee's stinger? Unlimited stinging potential
What honeybee cast member will not be allowed to go through the winter with the hive? Drones
The two dances that honeybees do to determine direction and distance to forage for nectar and pollen are called the __________ and __________ dances. Waggle; round
In order for a queen honeybee to be produced, the larvae must be fed a special substance called ________. Royal jelly
The queen honeybees store semen in an organ called the _________. Spermatheca
If the queen does not get bred, the fate of the hive is death because the hive will become all _________ cast members. Drone
What anatomy allows the grasshopper to respire even though its head is underwater? Spiracles
The three larval forms in Phylum Mollusca are _______, ________, and ________. Trophophore; veliger; spat
What phylum do tooth/tusk shells belong to? Mollusca
What class do tooth/tusk shells belong to? a) Monoplacophora b) Scaphopoda c) Bivalvia d) Aplacophora e) Branchiopoda B) Scaphopoda
What phylum do Monoplacephorans belong to? Mollusca
What class do Monoplacephorans belong to? a) Gastropoda b) Bivalvia c) Merostomata d) Monoplacophora e) Cephalopoda D) Monoplacophora
What phylum do nautili belong to? Mollusca
What class do nautili belong to? Cephalopoda
What phylum do feather stars belong to? Echinodermata
What class do feather stars belong to? Crinozoa
Created by: scandalouscanine