BIO

Question 1

Monotremes

Answer 1

Monotremes are mammals of the order Monotremata. They are the only group of living mammals that lay eggs, rather than bearing live young. The extant monotreme species are the platypus and the four species of echidnas.

Question 2

Eutherians

Answer 2

Eutheria, a subclass of mammals all of which have a placenta and reach an advanced state of development before birth. The group includes all mammals except monotremes and marsupials.

Question 3

Marsupials

Answer 3

mammals comprising kangaroos, wombats, bandicoots, opossums, and related animals that do not develop a true placenta and that usually have a pouch on the abdomen of the female which covers the teats and serves to carry the young.

Question 4

Reptilia

Answer 4

Reptiles, in common parlance, are a group of tetrapods with an ectothermic (‘cold-blooded’) metabolism and amniotic development. Living reptiles comprise four orders: Testudines (turtles), Crocodilia (crocodilians), Squamata (lizards and snakes), and Rhynchocephalia (the tuatara).

Question 5

Amphibia

Answer 5

a class of subphylum Vertebrata comprising forms (as the frogs, toads, newts, and salamanders) that are intermediate in many respects between fishes and reptiles, are cold-blooded with nucleated red blood cells and a 3-chambered heart, and that have gilled aquatic larvae and air-breathing adults

Question 6

Dipnoi

Answer 6

Lungfish, Freshwater lobe-fins with both gills and lungs.

Question 7

Actinistia

Answer 7

Coleolancaths, an ancient lineage of aquatic lobe-fins still surviving in the Indian Ocean.

Question 8

Actinopterygii

Answer 8

Ray-finned fishes, are aquatic gnathostomes that have bony skeletons and maneuverable fins supported by rays.

Question 9

Chondrichthyes

Answer 9

Sharks, rays, skates, ratfishes, and aquatic gnathostomes, have cartilaginous skeletons, a derived trait formed by the reduction of an ancestral mineralized skeleton.

Question 10

Petromyzontida

Answer 10

Lampreys, jawless aquatic vertebrates with reduced vertebrae, typically feed by attaching to a live fish and ingesting its blood.

Question 11

Myxini

Answer 11

Hagfish, jawless marine vertebrates with reduced vertebrae, have a head that includes a brain and skull, eyes, and other sensory organs.

Question 12

Urochordata

Answer 12

Tunicates, Marine suspension feeders, and larvae display the derived characteristics of chordates.

Question 13

Cephalochordate

Answer 13

Lancelets, basal chordates, and marine suspension feeders exhibit four characteristics of chordates.

Question 14

Gnathostomes

Answer 14

Hinged jaws, four sets of hox genes.

Question 15

Chordates

Answer 15

Notochord, dorsal, hollow nerve cord, pharyngeal slits, post-natal tail.

Question 16

Osteichthyans

Answer 16

Bony skeleton

Question 17

Lobe-fins

Answer 17

muscular fins or limbs

Question 18

Tetrapods

Answer 18

Four limbs, neck, fused pelvic girdle.

Question 19

Anmiotes

Answer 19

Amniotic egg, rib cage ventilation

Question 20

Ctenophore

Answer 20

Comb jelly, eight rows of sticky cilia so prey adheres, are bioluminescent.

Question 21

Porifera

Answer 21

Sponge, adult is sessile, and larvae is free-swimming, spicules that make up skeleton.

Question 22

Cnidaria

Answer 22

Hydra, jellyfish, box jelly, sea anemones, and corals
Sessile polyp and motile medusa
Cnidocytes
light sensitive ocelli

Question 23

Lophotrochozoa

Answer 23

Lophopore- Crown of ciliated tentacles seen in bryozoa and brachiopods
Trophopore- Distinct larval stage seen in mollusk and annelid

Question 24

Platyhelminthes

Answer 24

Flatworms, tripoblastic, acelomated, ocelli

Question 25

Rotifera

Answer 25

Planarians, flukes, tapeworms, fish flukes, corona, mastax and parthogenesis.

Question 26

Mastax

Answer 26

mouth

Question 27

Bryozoa

Answer 27

Colonial animals that looks like plants.

Question 28

Brachiopoda

Answer 28

two shells look like macaroni similar to clam.

Question 29

Mollusca

Answer 29

Snails, clams, octopuses, chitons

Question 30

Veliger

Answer 30

larva

Question 31

Proboscis

Answer 31

Coiled tongue in mouth of butterfly

Question 32

Sarcopterygii

Answer 32

lobed finned fishes

Question 33

Oviparous

Answer 33

lay eggs

Question 34

Ovoviparous

Answer 34

Eggs retained in the female body with no placenta

Question 35

Viviparous

Answer 35

Egg develop within uterus, receiving nourishment via placenta

Question 36

Parthogenesis

Answer 36

Desarollo de un nuevo individuo a partir de un ovulo no fertilizado