Biology Lab Final

Front 1

Porifera

Back 1

INVERTEBRATE
1)No definite symmetry.
2)Body multicellular, few tissues, no organs.
3)Cells and tissues surround a water filled space but there is no true body cavity.
4)All are sessile, (live attached to something as an adult).
5)Reproduce sexually or asexually, sexual reproduction can be either gonochoristic or hermaphroditic.
6)Has no nervous system.
7)Has a distinct larval stage which is planktonic.
8)Lives in aquatic environments, mostly marine.
9)All are filter feeders.
10)Often have a skeleton of spicules.

Front 2

Cnidaria

Back 2

INVERTEBRATE
1)Radially Symmetrical.
2)Body multicellular, few tissues, some organelles.
3)Body contains an internal cavity and a mouth.
4)Two different forms exist, medusa and polyp
5)Reproduction is asexual or sexual.
6)Has a simple net like nervous system.
7)Has a distinct larval stage which is planktonic.
8)Lives in aquatic environments, mostly marine.
9)Mostly carnivorous otherwise filter feeders.
10)May have a minimal skeleton of chiton or calcium carbonate.

Front 3

Platyhelminthes

Back 3

INVERTEBRATE
1)Bilaterally symmetrical.
2)Body having 3 layers of tissues with organs and organelles.
3)Body contains no internal cavity.
4)Possesses a blind gut (i.e. it has a mouth but no anus)
5)Has Protonephridial excretory organs instead of an anus.
6)Has normally a nervous system of longitudinal fibres rather than a net.
7)Generally dorsoventrally flattened.
8)Reproduction mostly sexual as hermaphrodites.
9)Mostly they feed on animals and other smaller life forms.
10)Some species occur in all major habitats, including many as parasites of other animals.

Front 4

Annelida

Back 4

INVERTEBRATE
1)Bilaterally symmetrical and vermiform.
2)Body has more than two cell layers, tissues and organs.
3)Body cavity is a true coelom, often divided by internal septa.
4)Body possesses a through gut with mouth and anus.
5)Body possesses 3 separate sections, a prosomium, a trunk and a pygidium.
6)Has a nervous system with an anterior nerve ring, ganglia and a ventral nerve chord.
7)Has a true closed circulatory system.
8)Has no true respiratory organs.
9)Reproduction normally sexual and gonochoristic or hermaphoditic.
10)Feed a wide range of material.
11)Live in most environments.

Front 5

Mollusca

Back 5

INVERTEBRATE
1)Bilaterally symmetrical.
2)Body has more than two cell layers, tissues and organs.
3)Body without cavity.
4)Body possesses a through gut with mouth and anus.
5)Body monomeric and highly variable in form, may possess a dorsal or lateral shells of protein and calcareous spicules.
6)Has a nervous system with a circum-oesophagal ring, ganglia and paired nerve chords.
7)Has an open circulatory system with a heart and an aorta.
8)Has gaseous exchange organs called ctenidial gills.
9)Has a pair of kidneys.
10)Reproduction normally sexual and gonochoristic.
11)Feed a wide range of material.
12)Live in most environments.

Front 6

Nematoda

Back 6

INVERTEBRATE
1)Bilaterally symmetrical, and vermiform.
2)Body has more than two cell layers, tissues and organs.
3)Body cavity is a pseudocoel, body fluid under high pressure.
4)Body possesses a through gut with a subterminal anus.
5)Body covered in a complex cuticle.
6)Has a nervous system with pharyngeal nerve ring.
7)Has no circulatory system (no blood system)
8)Reproduction normally sexual and gonochoristic.
9)Feed on just about everything.
10)Live just about everywhere, many species are endoparasites.

Front 7

Arthropoda

Back 7

INVERTEBRATE
1)Bilaterally symmetrical (in most cases).
2)Body has more than two cell layers, tissues and organs.
3)Body cavity a true coelom.
4)Most possesses a through straight gut with an anus (in most cases).
5)Body possesses 3 to 400+ pairs of jointed legs.
6)Body possesses an external skeleton (in most cases).
7)Body is divided in 2 or 3 sections.
8)Nervous system includes a brain and ganglia.
9)Possesses a respiratory system in the form of tracheae and spiracles (in most cases).
10)Possesses a open or lacunnar circulatory system with a simple heart, one or more arteries, and no veins, (in most cases).
11)Reproduction normally sexual and gonochoristic, but can be parthenogenetic.
12)Feed on everything.
13)Live everywhere.

Front 8

Enhinodermata

Back 8

INVERTEBRATE
1)Possess 5-rayed symmetry, mostly radial, sometimes bilateral.
2)Body has more than two cell layers, tissues and organs.
3)Body cavity a true coelom.
4)Most possesses a through gut with an anus.
5)Body shape highly variable, but with no head.
6)Nervous system includes a circum-oesophageal ring.
7)Has a poorly defined open circulatory system.
8)Possesses a water vascular system, which hydraulically operates the tube feet or feeding tentacles.
9)Without excretory organs.
10)Normally possesses a subepidermal system of calcareous plates
11)Reproduction normally sexual and gonochoristic.
12)Feeds on fine particles in the water, detritus or other animals.
13)All live marine environments.

Front 9

Chondrichthyes

Back 9

VERTEBRATE
1) Jaws, paired appendages, deep visceral arches next to the pharynx, an inner ear containing 3 semicircular canals, a paired nasal cavity. Well developed electroreceptors.
2) Cartilaginous endoskeleton. Skin covered by placoid scales and mucous glands; Teeth are modified placoid scales.
3) No lungs or swim bladder - bouyancy is maintained mainly by large reserves of liver oil.
4) Caudal fin is heterocercal. (a tail with an upper lobe)
5) Seperate sexes, internal fertilization and direct development.

Front 10

Actinopterygii

Back 10

VERTEBRATE
1) Ray-finned fish
2) swim lung present
3) fins controlled by muscles in body wall
4) paired external nostrils

Front 11

Amphibians

Back 11

VERTEBRATE
1) Are cold-blooded
2) often found near ponds, swamps, and other areas where freshwater is available
3) Begin their life cycle under the water breathing through gills, when they reach adulthood they move to land
4) are generally carnivorous
5) the only vertebrates that undergo complete metamorphosis

Front 12

Reptiles

Back 12

VERTEBRATE
1) Cold blooded
2) Most have backbone or spinal columns except snakes
3) Lay eggs to give birth
4) Most of the reptiles are tetrapods (four legged animals)

Front 13

Reptiles - Birds

Back 13

VERTEBRATE
1) The nervous system of birds, including brain structure and sensory development
2) The method of reproduction in birds and the structure of the female reproductive tract
3) Bird metabolism and the structure and function of the digestive, excretory, and respiratory system

Front 14

Proboscidea

Back 14

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Front 15

Sirenia

Back 15

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Front 16

Lagomorpha

Back 16

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Front 17

Carnivora

Back 17

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Front 18

Cetratiodactyla

Back 18

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Front 19

Carnivora

Back 19

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Front 20

Cetartiodactyla

Back 20

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Front 21

Cetaceans

Back 21

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Front 22

Marsupialia

Back 22

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Front 23

Rodentia

Back 23

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Front 24

Primates

Back 24

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Front 25

Perissodactyla

Back 25

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Front 26

Chiroptera

Back 26

1) They can fly, their limbs are highly modified for flight
2)