Animal kingdom Flashcards
Ventral suckers are also called?
Acetabulum
Antiennary glands are present in ___ for ___
Aquatic arthropods-Prawns, crabs; Excretion
Fassorial animals (Tubiculous) are?
Nereis, Balanoglossus, Sacoglossus
Buccal diverticulum in ___ gets converted into?
Hemichordates, Stomochord (endodermal in origin)
Monotreme mammal is
Ornithorhyncus- 1 cloacal mammal
Closed circulation is present in
Annelida- except leech, Chordata- except Urochordata, Cephalopods of molluscans
Sycon and Luecosolonia have ____ symmetry
Radial symmetry
Scientific name of hook worm 🐛
Ancyclostoma
The only unisexual flat worm is?
Schistoma hematobium- Liver fluke
Pecten is present in? Function:
Bird’s eye.
-Comb like structure
-Accomodates eye+ Nutrition
-Acute, Telescopic vision
-Controls pressure of liquids in eye
Is articular membrane ( also called _____ ) a characteristic feature of arthropods?
Arthrodial membrane, Yes
Trachea, gills, bookgills and booklungs are present in?
-Insects
-Crabs, Prawns
-Limulus
-Scorpion, Spider
Mention 3 larval names of mollusca. Which of them is the only parasitic larva?
Trocophore
Veliger
Glochidium (Parasitic)
Antedon is
Sea lily
Tube feet in echinoderms help in?
Locomotion, Food collection
Spongocoel is also called
Paragastric cavity
Physalia is
Portugese man of war
Jelly fish is called
Aurelia
Pila (___), Aplysia (___) belong to:
Apple snail, Sea hare. Gastropods (Mollusca)
Dugesia have high ____ power
Regenerative
Muscular pharynx is a feature of which phylum?
Aschelminthes
Clitellum also called ____ helps in ___ in earthworm 🪱
Singullum, Fertilization
Symmetry of Asterias
Pentaradial
CF of echinoderms
Water vascular system
___ are the orgs possessing chordate features throughout their life?
Cephalochordata
Vanadium pigment (green colour) is present in
Urochordata
Tunicata shows ___ metamorphosis
Retrogative
Fishes with Lungs and lobe fins are
Dipnoi fishes, connecting link b/w Fishes and Amphibians
Mammals have ___ ribs
Bicephalic
Neopalina Galatheca is
Connecting link b/w Annelida and Mollusca
Protonephridia and solonocytes (flame cells) are present in
Cephalo chordata and Platyhelminthes
CF of Annelida
Nephridia
Marine, free living phylums are
Ctenophora, Echinodermata and Hemichordata
Bisexuals are also called
Hemaphrodite or Monoecious
All bisexuals show cross fertilisation except
Taenia solium
Ectoparasite on fishes belong to class
Cyclostomata
___ shows Anadromous migration (—)
Peteromyzon=Lamprey; Marine to Freshwater for breeding
Nocturnal periodicity is seen in
Wuchereria Branchofti
Peripatus is the connecting link b/w
Annelida and Arthropoda
Ampulla of lorenzini are present in
Chondricthyes
They are electro receptors
Process of detachment of gravid proglatid is?
Apolysis
Nemathelminthes show sexual dimorphism. Justify
male: thinner, shorter, curved posterior tale, have cloaca n pineal setae
Hydroskeleton is found in
Aschelminthes, Annelida
Larva of peteromyzon
Ammocoetus
Amniotes are?
Reptiles, Birds, Mammals
Limbless amphibian, Having cycloid scales and cloaca is
Ichthyopis, blind worm
3 chambers of amphibian heart is
2A + 1V
Mammals have ___ cervical vertebrae
7
Leathery layer on beaks of birds is called
Racothepha
Aptenodytes is ___ aves
Aquatic (Penguin)
Elephants don’t have ____ penis
Extra abdominal penis (Scrotal sacs)
Corpus collosum is present in
Placental mammals (Joins L and R brain hemispheres)
Silverfish belongs to phylum
Arthropoda
Ventral heart is present in
Chordates
Name 2 round worms with direct dev
Wuchereria, Trichella Spiralis
Gambusia belonging to class ____, helps in:
Osteichthyes, Eats larva of mosquitoes (Larvivorous fish)
Bufo has ___ glands on the skin
Poisonous
Birds have __ teeth
No teeth
Jaws modified into Horny beak.
___are orgs with richest blood
Aves
Olfactory organ in the roof of upper jaw of reptiles is
Jacobsons organ
Turtle’s scientific name is
Chelone (in water)
Tortoise (land) is called Testudo
Connectling link b/w reptiles and birds is
Archaeopteryx
Radula is present in Pelecypoda. True/False
False.
Pelecepoda (Unio, Pincta) are only exceptions in Mollusca for not having radula
Digestive glands first appear in which phylum?
Annelida
Larva of nereis is called
Trocophore
External fertilisation in ___ produces direct dev
Earthworm (Because fertilisation takes place in clitellum)
Botridial Tissue participate in excretion of?
Leech
Which class is an exception to bilaterally symmetry in mollusca?
Gastropoda- Asymmetry
Undergoes Tortion
Digestive gland in Molluscans is
Hepatopancreas
Choncolin protein is present in
Caco3 shell of molluscs
The molluscan that has shell under mantle layer is
Sepia- Cuttle fish
Respiration in Echinus, Cucumaria and Star fish is
Peristomial gills
Respiratory trees
Dermal bronchi, Tube feet
Coelocanth/Latimaria is a
Living fossil, Connecting link b/w Fish and Amphibian
Scoliodon is called dog fish because
Power of smell
____ are also called sea arrows because of the presence of ____
Loligo (squid), Siphons (air filled sacs
Chetopleaura is called
Chitton
Largest molluscan class is____
Gastropoda
Organs of Bojanus and Keebers gland are present in ___ for?
Molluscans, Excretion.
Also called Protonephridia kidney, pericardial glands
Role of pedicellaria
Cleaning
Dermal ossicles are similar to ___ in chordates
Endoskeleton of chordates are also derived from mesoderm
Degenerated remains of Notochord is present as ___ in ___
Nuclei of Pulposi, Intervetrebal disk
Boring sponge is
Cliona
Gemmule formation occurs in ____ sponges, in ____ conditions
Freshwater, Unfavourable
Opening of gemmule is called
Micropyle
Nematocyst/Sting cells are CF of?
Cnidaria
Crocodiles have ___ chambered heart
4
Pleurodont teeth is found in
All reptiles except crocodile
Is python a poisonous snake?
No
Angry/Frightened Echinoderms vomit internal organs in a process called as?
Evisceration
Starfish break their arms for defence. Its called
Autotomy
Metanephric kidneys are present in
Reptiles, Birds and Mammals
Herdmania, Ascidia is called
Sea squits, Sea potatoes. Urochordata
Scientific name of lancelet
Amphioxus/ Branchiostoma. Cephalochordata
Shape of Camel’s RBC
Oval
Marsupials have ___
Marsupian pouch (female)
Trunchus arteriosis (also called ___________) is present in
Conus arteriosis, Amphibians
Columba is
Pigeon
Mammary glands are modified ____ glands
Sweat
Mid ear in mammals have
Malleus, Incus, Stapes
Balanoptera is
Blue whale
Duck billed Platypus is called
ornithorhyncus, Prototherian mammal
Didelphis uterus is seen in
marsupials
Biconvex, Uninucleate and oval RBC are found in
Fishes, amphibians, Reptiles, Aves and camel
Flying fox is
Pteropus- Bat
Teleostomi refers to
Osteichythyes
Elasmobronchi have ___ scales
Placoid scales (Modified teeth.. central dentine, spine enamel)
Corpulatory organ in Chondrichthyes
Claster
Scoliodon posesses Spiral/Scrotal valve in small intestine. T/F
True
Brood pouch is present in ___ males
Hippocampus- Sea horse, (head looks like a horse)
Polyphodont teeth are found in
Fishes, amphibians, reptiles
Examples of aquarium fishes
Betta (fighting fish), Pterophyllum (Angel fish)
8 ciliated comb plates are present in
Ctenophora
Peteromyzon has ___ gill slits and Myxine has ____ gill slits
-7
-1 external, 6-15 internal
Vestigial eyes are present in ___ org of cyclostomata
Myxine (too dark to see)
Periplaneta is
Cockroach
Excretory wastes of Osteichthyes
Trimethyl amino oxide (TMO),and ammonia
Chondricthyes can live in fresh water. T/F
False. They are exclusively Marine
Armoured fishes are
Placodermi (Extinct, Climatius)
Slime eels have ___ dev
Direct (Oviparous, ect fertilization), Myxine
Monorhina are
Agnatha
Jawless vertebrates have Notochord ___ life
Throughout
Colourless blood is present in
Cephalochordata, Insects, Hemichordates, Echinoderms
Myogenic heart is present in
Chordates and Cephalopods of molluscs
Respiration of Molluscans happen through
Feather like gills and Mantle layer
Dicondylic skulls are present in
Mammals, Amphibians
Lateral line of Osteichthyes have ____ which help in ____
Rheoreceptors, detects electric field and vibrations, Water movement
All bisexuals are Protandry except
Sponges- Protogyni
Flying fish is
Exocoetus fish
___ produces electric current
Torpido
Labeo and catla are
Freshwater bony fishes, Rohu, Katla
Internally cartilagenous yet bony fish is
Clarias, Magur/Cat fish
10 pairs of Cranial and Spinal nerves are
Fishes, amphibians, snakes (16-32 spinal tho)
Skin cast/ Exoskeleton (Cornified skin) is removed by
Snakes/ Lizards
Epidermal scales in Reptiles are ___ in origin
Ectodermal in origin
R and L arch of circulation is seen in
Reptiles
Hemidactylus is called
Wall lizard
Body of Crocodiles are covered in
Scutes
Reptiles have no sexual dimorphism. T/F
True. Male reptiles have internal hemipenis which comes out only during breeding time
Voice box of birds is
Syrinx
Uropygeal gland in present in
Tail (Uropygea) of birds
Hind limbs of birds are covered by scales, showing ___ character
Reptilian
Feathers of birds are derived from
Stratum corneum
Denatllium belongs to
Mollusca, Elephant Tusk shell
Salpa and Doliolum are examples of
Urochordata
Pavo means
Peacock
Smallest bird is
Humming bird
Lower Jaw of mammals are made of
Dentary Bone
4 Solid optic lobes in mammals are called
Corpora Quadrigemina
Prototherians have ____ cervical vertebrae
9-11
Equus is
Horse
Monkey and dolphins’s scientific name:
Macaca, Delphinus
Poisonous spines in hindlimbs are present in
Ornythorhyncus
Yolk sac placenta is there in
Marsupials
Megalecithal eggs are found in
Fishes, Aves, Reptiles, Prototherians
Connecting link b/w cartilagenous and bony fishes is
Chimora
Seymeria is the missing connecting link b/w
reptiles and Amphibians
Columella auris in mid ear is present in:
Birds, reptiles and amphibians.
Fishes have: Hyomandibularis
Chochlea of int ear is coiled in
mammals
Monodelphus condition is seen in?
Aves- 1 ovary and oviduct (Left)
Flying birds who are unable to fly have flight adaptations. T/F
true- Peacock, hen, etc
Which type of aves have corpulatory organs
Flightless/ ratitae.. ostrich, emu, kiwi, Rhea
Thermoregulators are
Birds and Mammals
Apolar nuerons are found in
Cnidaria, Ctenophora
Bioluminescence is a property of
Ctenophores/ sea walnuts/ sea goosberries
The only bisexual chordate group is
Urochordates
+Myxine
Oikilopleura and Pyrosoma belong to ___
Tunicata
Heart is replaced by Dorsal blood vessels in ___ chordates
Cephalochordates
Tunicates are called so because
Tunisin (Similar to celllulose) in exoskeleton
Craniata are
Euchordates- Higher chordates, ie vertebrates
Skull, brain, vertebral column, head and paired appendages are absent in
Acraniata/Protochordates
Neural archer is present in
Agnatha- Primitive vertebral column with notochord
____ is amphirhina
Gnathostomes
First evolved vertebrates are
Ostracodermi- Cephalpsis
Extinct agnatha
____ parasite attaches to gills of host
Myxine- Cyclostomes
Bones are absent in
Cyclostomes
Connecting link b/w cephalochordates and cyclostomes is
Ammocoetus larva
Pronephric kidneys are present in
Cyclostomes
Hag fish has ____ lips resembling ____
Wrinkled, Old woman
Hag fish==Myxine, cyclostomata
Armoured fishes are
Placodermi- Climatius
Sime glands are present on Pisces. T/F
True
Paired and unpaired fins of pisces are
P- Pectoral and Pelvic
UP- Mid dosal, Caudal and ventral
Absence of Tympanum and ossicle (mid and external ear) but presence of Internal ear is a feature of all
Pisces
Juvenile fishes are also called
Fry or hatchlings
Unicircuit circulation is found in
Pisces
____ in muscular foot of mollusca helps maintain equillibrium
Statocyst/Lithocyst
No specific excretory structures found in
Echinoderms
water vascular system is also called
ambulacral system
worm like orgs are in —- phylum
hemichordates
stomochord origin
endoderm- from buccal diverticulum
larva of hemichordates
Tornaria
Notochord’s location wrt Dorsal tubular nerve chord in chordates
Notochord- is below nerve chord (Ventral)
protonephric kidneys are found in
larval amphibians
—– kidneys have only Malphigian tubules. Ex?
Mesonephric, Amphibians n fishes
Filter feeders are
Hemichordates, Urochordates, cephalochordates
larva of urochordate
Tadpole
dorsal blood vessels act like heart in
cephalochordates and hemichordates
cyclostomes have — chambered heart
2
kidneys in cyclostomes
pronephric
An elaborate network of filamentous —- structures present in the cytoplasm is collectively referred to as the cytoskeleton.
proteinaceous