Misc.

Question 1

Which life stage of the pork tapeworm specifically presents a dangerous health hazard to humans?

Answer 1

Cysts

Question 2

Platyhelminthes and cnidaria have the same number of germ layers in early development

Answer 2

False

Question 3

How do turbellaria feed?

Answer 3

Extend pharynx, excrete digestive enzymes, suck up remains

Question 4

Which grade of organization are the first animals found in?

Answer 4

Cellular grade

Question 5

How do single-celled eukaryotes resperate?

Answer 5

Passive diffusion: Passive gas transfer across cell membrane

Question 6

Do insects carry oxygen in their blood?

Answer 6

No

Question 7

Do Asteroidea have brains?

Answer 7

No. But has central nervous system

Question 8

Which class of enchinodermata is a top predator?

Answer 8

Asteroidea (sea stars)

Question 9

How do holothurians feed?

Answer 9

Sea cucumbers are suspension/deposit feeders

Question 10

Which class of enchinodermata can cause a barren of not controlled?

Answer 10

Echinodis (sea urchins)

Question 11

What are the 5 key characteristics of chordates?

Answer 11

Dorsal nerve cord, notocord, endostyle/thyroid gland, pharyhneal pouches, postanal tail

Question 12

What structure do all vertebrates have for excretion?

Answer 12

Kidneys

Question 13

How many chambers do vertebrate hearts have?

Answer 13

Three

Question 14

What do all vertebrate red blood cells contain?

Answer 14

Hemoglobin

Question 15

Which direction does water flow over fish gills relative to blood flow?

Answer 15

Water flow is opposite to blood flow

Question 16

In order to osmoregulate, freshwater fish must . . .

Answer 16

Pump out excess water via kidneys, have salt-absorbing cells that move salt ions from water into blood

Question 17

In order to osmoregulate, marine fish must . . .

Answer 17

Have salt-secreting cells in gills, salt ions not absorb from waste, kidneys do not absorb salts

Question 18

In freshwater fish . . .

Answer 18

Water is hypotonic (less salty) than fish blood

Question 19

In marine fish . . .

Answer 19

Blood is hypotonic (less salty) than seawater

Question 20

T. brucei gambiense causes

Answer 20

African Sleeping sickness

Question 21

T. cruzi causes

Answer 21

Chaga’s Disease

Question 22

The insect vector for African sleeping sickness are

Answer 22

Tsetse flies

Question 23

The insect vector for Chaga’s disease is

Answer 23

Kissing bug

Question 24

African sleeping sickness is passed through

Answer 24

Bug bites

Question 25

Chaga's disease is passed through

Answer 25

Bug feces

Question 26

Where do T. bruci gambiense replicate in humans?

Answer 26

Blood

Question 27

Where does T. cruzi replicate in humans?

Answer 27

Cells/Tissue

Question 28

What are the three distinguishing characteristics of Phylum Ciliphora

Answer 28

Cilia, nuclear dualism, conjugation

Question 29

What kind of feeding do porifera preform?

Answer 29

Saprozoic

Question 30

Do porifera have true tissue?

Answer 30

No

Question 31

Are sponges monecious or dioecious?

Answer 31

Monecious

Question 32

Do sponges have a ciliated larvae stage?

Answer 32

Yes, parenchymula

Question 33

Do cnidaria have true tissue?

Answer 33

Yes!

Question 34

How many tissue layers do cnidaria have?

Answer 34

2

Question 35

How many tissue layers do poifera have?

Answer 35

2

Question 36

Do cnidiaria have mesoderm?

Answer 36

No! They are dipbloplasts!

Question 37

Why phylum as a diffuse nerve net?

Answer 37

Cnidaria

Question 38

What kind of gastrovascular cavity do cnidaria have?

Answer 38

Blind/incomplete gut

Question 39

Do all cnidaria have cnidocytes?

Answer 39

Yes

Question 40

Do all cnidaria have a medusa form?

Answer 40

No

Question 41

What are the two forces that contribute to cnidocytes firing?

Answer 41

Tension and osmotic pressure

Question 42

What kind of epidermis do most free-living platyhelminths have?

Answer 42

Cilited cellular

Question 43

What is a major difference between Trematodes and Cestodes?

Answer 43

Trematodes have a gut, cestodes do not have a gut

Question 44

What phylum are eucoelomates?

Answer 44

Annelids

Question 45

Metamerism

Answer 45

The independent movement and function of body segments

Question 46

Which phylums do metamerism occur?

Answer 46

Annelids and arthropods

Question 47

Do earthworms have direct or indirect development?

Answer 47

Direct development

Question 48

The flame cell is part of which phylum and system?

Answer 48

Plathyhelmths excretory system

Question 49

Do freshwater flatworms have direct or indirect development?

Answer 49

Direct development

Question 50

Which organisms have ciliated trochophore larvae?

Answer 50

Maine annelids, bivalves, marine gastopods