Phyla

Question 1

The study of anatomical forms and structures with emphasis on characteristics useful ib distinguishung the species

Answer 1

Morphoanatomy

Question 2

Divides an organism into moreor image halves

Answer 2

Bilateral Symmetry

Question 3

The organism can be divided into similar halves by passing a plane at any angle along a central axis

Answer 3

Radial Symmetry

Question 4

Not identical on both sides of a central line

Answer 4

Asymmetry

Question 5

Anatomical terms of direction

Answer 5

Cranial(top) Caudal(bottom) Dorsal(back) Ventral(front)

Anterior(front) Posterior(back)

Question 6

Major animal groups

Answer 6

Phylum Porifera, Phylum Cnidaria, Worm Phyla (Platyhelninthes, nematoda, annelida) Phylum Mollusca, Phylum Echinodermata, Phylum Anthropoda, Phylum Chordata

Question 7

Phylum Porifera is made up of 3 main parts, what are these?

Answer 7

Ostia(In), osculum(out), and spongocoel(central cavity)

Question 8

Phylum Porifera has what type of symmetry?

Answer 8

Asymmetrical

Question 9

A large central cavity of sponges

Answer 9

Spongocoel

Question 10

Tiny pores in sponges

Answer 10

ostia

Question 11

Exit of a sponge

Answer 11

Osculum

Question 12

Each of the small needlelike or sharp-pointed structure of calcute or silica that make uo the skeleton of a sponce

Answer 12

Spicules

Question 13

Different sizes of a spicule

Answer 13

Megascleres and microscleres

Question 14

Different shapes of spicule

Answer 14

Demospongiae, Sclerospongiae, Calcera, Hexactinellida

Question 15

Most diverse type of spicule shape. Made of spongin (a protein) or silica (a mineral) or both

Answer 15

Demospongiae

Question 16

Soft body covered in skeleton made of calcium carbonate, either aragonite or calcite

Answer 16

Sclerospongiae

Question 17

Calcareous sponges, characterized by spicules made out of calcium carbonate

Answer 17

Calcarea

Question 18

Glass sponges, spicules are made of silica

Answer 18

Hexactinellida

Question 19

Two life stages of Cnidaria

Answer 19

Polyp form and Medusa form

Question 20

Symmetry of Cnidaria

Answer 20

Radial Symmetry

Question 21

an opening where food and waste exits (in cnidaria)

Answer 21

Mouth

Question 22

Three layers of a Cnidarias body

Answer 22

Ectoderm, Endoderm, and Mesoglea

Question 23

A slender flexible limb or appendage in an animal, especially around the mouth of an invertebrate used for grasping, moving about, or bearing sense organs

Answer 23

Tentacle

Question 24

The space in a Cnidarians body which the food is being digested

Answer 24

Gastrovascular cavity

Question 25

Ectoderm is called the __________ which covers their body

Answer 25

Epidermis

Question 26

Mesoderm is called the _________ which is nonliving, contains water and fluids

Answer 26

Mesoglea

Question 27

This is where the polyp attaches its body to a substrate

Answer 27

Basal disc

Question 28

The specialized cells in cnidarians also known as stinging cells

Answer 28

Cnidocytes

Question 29

Cnidarians are split into 4 classes

Answer 29

Cubozoa, Scyphozoa, Anthozoa, and Hydrozoa

Question 30

Worm Phylas types

Answer 30

Platyhelminthes (Flatworms) , Nematoda (Roundworms), Annelid (Segmented worms)

Question 31

A worm whose body is flattened, has definitive head and tail region.

Answer 31

Phylum Platyhelminthes

Question 32

A worm with long, smooth, and unsegmented bodies

Answer 32

Phylum Nematoda

Question 33

Its body is segmented internally and externally

Answer 33

Phylum Annelida

Question 34

Snails. shellfish, ousters, clans, octopus, squids, and cuttlefish are examples of

Answer 34

Phylum Mollusca

Question 35

Characteristics of mollusks

Answer 35

Body is soft, unsegmented and has strong muscular foot (in snails and shellfish) Shell can be external (in snails and shellfish) or internal (in octopus)

Question 36

sea stars, sea cucumber, sea urchins, brittle stars, and sea lilies are examples of

Answer 36

Phylum Echinodermata

Question 37

Its body is covered with a spiny surface, with an internal skeleton inside their body

Answer 37

Phylum Echinodermata

Question 38

Classes of Phylum Echinodermata

Answer 38

Echinoidea (Sea urchins), Holothuroidea (Sea cucumbers), Crinoidea (Sea lilies), Asteroidea (Sea stars)

Question 39

Insects, crustaceans, spiders, scorpions, millipedes, centipedes are examples of

Answer 39

Phylum Arthropoda

Question 40

The largest of the phyla of the kingdom animalia

Answer 40

Phylum Arthropoda

Question 41

Classes of Phylum Arthropoda

Answer 41

Chelicerata, Myriapoda, Crustacea, Hexapoda

Question 42

Arthropods without jaws

Answer 42

Chelicerata

Question 43

Multi-segmented arthropods

Answer 43

Myriapoda

Question 44

An arthopod with a segmented body, covered with carapace

Answer 44

Crustacea

Question 45

a subclass of arthropods that are divided into two subclasses

Answer 45

Hexapoda

Question 46

Two subclasses of hexapoda

Answer 46

Apterygota (wingless insects) and Pterygota (winged insects)

Question 47

An arthropod has 3 main parts:

Answer 47

Head, Thorax, and Abdomen

Question 48

A part of arthropod with eyes, antennae, and mouthparts

Answer 48

Head

Question 49

A part of arthropods with legs and wings

Answer 49

Thorax

Question 50

what are the characteristics of a phylum chordata

Answer 50

single hollow nerve cord. notocord, pharyngeal slits, post anal tail ,segmentation

Question 51

it differentiates into brain and spinal cord in vertebrates

Answer 51

nerve cord

Question 52

flexible rod on the dorsal side of gut, present at one stage in all chordates

Answer 52

notocord

Question 53

connect pharynx with outside gills in sharks,

Answer 53

pharyngeal slits

Question 54

extends beyond anus; present altleast in embryo; regresses into tailbone in humas

Answer 54

postanal tail

Question 55

reflected in arragement of muscles and in vertebral column

Answer 55

segmentation

Question 56

most species within this phylum have backbones

Answer 56

Phylum Chordata

Question 57

what are the seven main classes of the phylum chordata

Answer 57

Chondrichthyes, Osteichthyes, Amphibia, Reptilia, Aves, and Mammalia

Question 58

this group of animals include sharks and rays

Answer 58

class chondrichthyes (kan-drik-thees)

Question 59

this group of animals include the usual marine and freshwater fish

Answer 59

class osteichthyes (oste-ich-thees)

Question 60

these group of animals includes salamanders, newts, frogs, toads, and caecilians

Answer 60

class amphibia

Question 61

what are the characteristics of amphibians

Answer 61

moist, scaless skin and the fact that they are cold blooded

Question 62

this group of animals include alligators crocodiles lizards iguanas chameleons turtles tortoises snakes cobras and vipers

Answer 62

reptiles

Question 63

what are the characteristics of a reptile

Answer 63

-cold blooded -ability to regulate their inner body temperature to environment. -scaly skins with surface cells filled with keratin -absence of hair or fur

Question 64

this group of animals include flying and nonflying birds

Answer 64

aves

Question 65

what are the characteristics of birds

Answer 65

feathers that cover their body, wings, lightweight skeleton, endothermic lungs with air sacs, beak

Question 66

what does endothermic mean

Answer 66

warm blooded

Question 67

what are the characteristics of mammals

Answer 67

contain mammary glands, hair, jaw and ear bones, 4 chambered heart and diaphragm, complex brain functions