Animal Diversity

Question 1

What types of animals would be considered sessile?

Answer 1

Sponges

Question 2

Animals who move very little are?

Answer 2

Sedentary

Question 3

If an animal has an endoskeleton, they are considered?

Answer 3

Vertabrates

Question 4

If animals have an exoskeleton, they are considered?

Answer 4

Invertebrates

Question 5

What kind of skeleton do worms and Echinoderms have?

Answer 5

Fluid filled cavities called hydrostatic skeleton

Question 6

What are the only animals that are purely cellular?

Answer 6

Sponges

Question 7

What are the 3 habitats that animals live in?

Answer 7

Fresh water, marine, land

Question 8

Most animals with radial symmetry are either ________________ or _____________.

Answer 8

Sessile or sedentary

Question 9

When animals can be divided into equal halves are considered?

Answer 9

Bilateral symmetry

Question 10

Animals with bilateral symmetry normally are ____________ and __________________.

Answer 10

Mobile and show cephalization

Question 11

What are the 3 germ layers?

Answer 11

Outer ectoderm
Middle mesoderm
Inner endoderm

Question 12

What is encompassed in the outer ectoderm?

Answer 12

Body coverings and nervous system

Question 13

What does the middle mesoderm encompass?

Answer 13

Skeleton and muscle (and everything else)

Question 14

What does the inner endoderm encompass?

Answer 14

Digestive organs and intestine

Question 15

What type of body cavity do acolamates have?

Answer 15

No body cavity

Question 16

What type of body cavity do psuedocolomates have?

Answer 16

False body cavity

Question 17

What type of body cavity do colemates have?

Answer 17

True body cavities

Question 18

When blood flows through vessels that are seperated, what type of circulation system is it considered?

Answer 18

Closed circulation

Question 19

When blood is just floating around, spilled out then absorbed, it is considered what type of circulation system?

Answer 19

Open circulation system

Question 20

When a zygote undergoes rapid cell developments what is that called?

Answer 20

Cleavage

Question 21

What is a hollow balls of cells called?

Answer 21

A blastula

Question 22

When a blastula invaginates, it forms what?

Answer 22

A gastrula

Question 23

The two layers of a gastrula are what?

And what do they differentiate too?

Answer 23

Ectoderm->must be skin or nerve cells

Endoderm-> can not be skin or nerve cells

Question 24

What is it called when animal bodies are divided into parts?

Answer 24

Segmentation

Question 25

What makes up phylum Porifera?

Answer 25

The sponges

Question 26

Sponges can live in?

Answer 26

Marine and freshwater

Question 27

What type of relationships do sponges have?

Answer 27

Parasitic and commensalist relationships

Question 28

What are Ostia?

Answer 28

Tiny pores

Question 29

What are osculum?

Answer 29

Large openings

Question 30

What are the 3 types of cells in sponges?

Answer 30

Choanocytes Amebocytes Spicules

Question 31

What are choanocytes?

Answer 31

Aka collar cells Lines canals and chambers Collar composed of micro villi

Question 32

What are amebocytes?

Answer 32

Move w/psyuedopods Clean pores Differentiate into more specific cells

Question 33

What are spicules?

Answer 33

Structural support for cells

Question 34

What is a chalk sponge secrete?

Answer 34

Calcium carbonate

Question 35

What does a commercial sponge not have?

Answer 35

No spicules-spongin only

Question 36

What makes up phylum chidaria?

Answer 36

Jellyfish like creatures

Question 37

What forms does class Hydrozoa take?

Answer 37

Medusa and polyp forms

Question 38

What forms do class scynadoa take?

Answer 38

Only medusa form

Question 39

What are the two layers of tissues in phylum chindaria?

Answer 39

Epidermis and gastrocnemius

Question 40

What seperates the two tissue layers in phylum chidaria?

Answer 40

Me dogleg

Question 41

If a animal is freeswimming, what type of form does it have?

Answer 41

Medusa form

Question 42

If a animal is sessile or attached (in regards to phylum chidaria) what form does it take?

Answer 42

Polyp form

Question 43

What do cnidocytes contain?

Answer 43

Contain specialized organelles called nematocysts for sting prey

Question 44

How do animals in class Hydrozoa reproduce?

Answer 44

Can reproduce sexually -> hermaphrodidic Can be asexual-> via budding

Question 45

A colonial hydrozoan with a has filled bloat is a _______________.

Answer 45

Portuguese man of war

Question 46

What are the three types of tentacles in a Portuguese man of war and what do they do?

Answer 46

Gastrozoid->feeding Dactylozoid->capture Gonadozoid->reproduction

Question 47

Class schyphozoa is made up of?

Answer 47

Jellyfish

Question 48

Box jellies are on what class?

Answer 48

Class cubozoans

Question 49

Box jellies are all strong swimming _________ forms.

Answer 49

Medusa

Question 50

Which box jelly is the deadliest?

Answer 50

Australian sea wasp

Question 51

'Flower animals' are in what class?

Answer 51

Class anthozoan

Question 52

What organisms have symbiotic relationships with organisms of class anthozoan?

Answer 52

Dinoflagellets Hermit crabs Certain fish

Question 53

Where does a fringing reef form?

Answer 53

On new islands being formed

Question 54

Where does a barrier reef form?

Answer 54

When an island has sunk and reef is on outside

Question 55

Where does an atoli form?

Answer 55

Form when an oceanic island sinks below sea level but reef continues to grow

Question 56

How do animals store their food?

Answer 56

As glycogen

Question 57

Which germ layers will turn into muscle, skeleton, or support tissue?

Answer 57

Mesoderm

Question 58

Which of the following planes bisects a human evenly?

Answer 58

Sagittal

Question 59

Sponges are unique among animals because they _________________.

Answer 59

Have no tissues

Question 60

A jellyfish dactylozooid is used for what?

Answer 60

Grabbing

Question 61

What is the plane that cuts a worm into dorsal and ventral halves?

Answer 61

Frontal