Animals

Question 1

Identify the traits that are exclusive to only the Eumetazoans

Answer 1

• Body symmetry
• Motility
• Internal digestion and a digestive tract
• Min of 2 germ layers during embryological development

Question 2

Motile adult life phase that typically allows for sexual production of gametes

Answer 2

Medusa

Question 3

Motile larval phase

Answer 3

Planula

Question 4

Sessile adult life phase that typically uses asexual budding as a method for reproduction

Answer 4

Polyp

Question 5

Cells that transport nutrition throughout the body of the sponge

Answer 5

Amoebocytes

Question 6

Cells that secrete either silica or calcium carbonate and form the structural support for the sponge

Answer 6

spicules

Question 7

The anterior hole at the top of the body where water exits the sponge

Answer 7

Osculum

Question 8

Cells that form holes allowing water to flow into the body of the sponge

Answer 8

Porocytes

Question 9

Flagellated cells that propel water through the sponge and capture food particles

Answer 9

Choanocytes

Question 10

The empty center of the sponge where the water flows through before exiting out the hole at the top

Answer 10

Spongocoel

Question 11

Scientific Classification A : Hydrozoa

Common Name A: ____

Answer 11

Hydra

Question 12

Scientific Classification B: Anthozoa

Common Name B :

Answer 12

Sea Anemone

Question 13

Scientific Classification C: Scyphozoa

Common Name C:

Answer 13

Jelly Fish

Question 14

Scientific Classification D: Ctenophora

Common Name D :

Answer 14

Comb Jelly

Question 15

Identify which of the following traits are possessed by members of Phylum Ctenophora

Answer 15

• Diploblasta
• Radial symmetry
• Complete digestive tract with a separate mouth and anus
• Ctenophores use sticky tentacles to capture prey

Question 16

Germ tissue that forms predominantly muscle tissue and connective tissue and includes:
the muscle, bones, cartilage, connective tissue, adipose tissue, circulatory vessels and blood the lymphatic system, the dermis the genitourinary tract the serous membranes and the notocord.

Answer 16

Mesoderm germ tissue

Question 17

Germ tissue that forms the external linings:
skin, hair , nails, lens of the eyes, sebaceous glands, the cornea, tooth enamel and the epithelium of the mouth and nose

Answer 17

Ectoderm germ tissue

Question 18

Germ tissue that forms internal lining and some internal organs :
stomach , colon, liver, pancreas , bladder, the epithelial parts of the trachea, lings , pharynx, thyroid and parathyroid

Answer 18

Endoderm germ tissue

Question 19

A type of anatomical tissue composed of myosin and actin proteins

Answer 19

Muscle tissue

Question 20

Structural tissue accompanied by an extracellular matrix

Answer 20

Connective tissue

Question 21

Tightly knit cells held together with tight junctions that form barriers

Answer 21

Epithelial tissue

Question 22

Tissue that generates and conducts electrical impulses

Answer 22

Nervous tissue

Question 23

Although they have a lophophore, they lack the trochophore life phase, and are therefore considered an outgroup to the Lophotrochzoans

Answer 23

Arrow worms

Question 24

Although they live in multi-cellular colonies these organisms are still classified as single celled protists and are considered the outgroup to the entire Kingdom Animalia

Answer 24

Choanoflagellates

Question 25

Although they have an exoskeleton, it is not nearly as well developed as the rest of the Arthropods; They have legs but lack jointed appendages

Answer 25

Tardigrades

Question 26

Although they have a skull and teeth they do not have vertebral column so they are considered the outgroup to the vertebrate animals

Answer 26

Hagfish

Question 27

Fish soft bodied invertebrate animals appear including comb jellies and sponges

Answer 27

Early Ediacaran Period

Question 28

Ice ages and the origin of the genus Homo

Answer 28

Pleistocene epoch

Question 29

The age of fishes; First terrestrial tetrapods evolve

Answer 29

Devonian period

Question 30

The age of reptiles ; Mammals evolve

Answer 30

Mesozoic era

Question 31

An explosive adaptive radiation give rise to all major early animal phyla

Answer 31

Cambrian period

Question 32

Following the KT Extinction, mammals and birds rise to dominance

Answer 32

Cenozoic era

Question 33

Invertebrate animals begin their colonization of land

Answer 33

Ordovician period

Question 34

The age of Amphibians; Reptiles evolve

Answer 34

Carboniferous period

Question 35

All unifying traits seen in all Eumetazoans

Answer 35

- Animals are Eukaryotes - Animals have HOX genes - motile capable of sexual repro (also asexual) - have internal digestion

Question 36

radial symmetry

Answer 36

diploblast

Question 37

radial cleavage

Answer 37

triploblast deuterostome

Question 38

combined mouth and anus attached to a gastrovascular cavity

Answer 38

diploblast

Question 39

blastopore becomes the mouth during gastrulation

Answer 39

triploblast protostome

Question 40

2 layers of germ tissue

Answer 40

Diploblast

Question 41

Anus forms from the blastopore during gastrulation

Answer 41

Triploblast Deuterostome

Question 42

Colonial mutlicellularity

Answer 42

parazoan

Question 43

All true ceolomates

Answer 43

triploblast deuterostome

Question 44

spiral cleavage

Answer 44

triploblast protostome

Question 45

no digestive tract or tissues

Answer 45

Parazoan