Porifera short answer

Question 1

Phyla that has both polyp and medusa phases?

Answer 1

cnidarian

Question 2

term that describes an organism that remains in a fixed, attached position to a rock or the ocean floor?

Answer 2

sessile

Question 3

structure that best describes the stinging cells on cnidarians?

Answer 3

spicules

Question 4

Which method do sponges utilize to obtain food?

Answer 4

filter floating organisms

Question 5

term that describes an organism possessing both male and female gametes?

Answer 5

hemaphrodite

Question 6

which organisms are hermaphroditic?

Answer 6

sponge, earthworm, hydra

Question 7

Which organelle do jellyfish, hydra, and man-o-war have in common?

Answer 7

tentacles

Question 8

which part of a sea anemone corresponds to the spongocoel of a sponge

Answer 8

gastrovascular cavity

Question 9

which part of a sea anemone corresponds to the spongocoel of a sponge

Answer 9

gastrovascular cavity

Question 10

which cnidarians is a colony of specialized polyps and powerful stings

Answer 10

Portuguese man-of-war

Question 11

which cnidarian is a polyp attached by a basal disk, living in freshwater, and intolerant of pollution?

Answer 11

hydra

Question 12

forms of asexual reproduction?

Answer 12

budding, binary fission, and fragmentation

Question 13

which exhibit an ability to regenerate the entire organism?

Answer 13

sponges, jellyfish, and hydra

Question 14

which organelle in annelids and mollusks corresponds to kidneys in humans?

Answer 14

nephridia

Question 15

what process do annelids obtain oxygen passing through most of their skin?

Answer 15

diffusion

Question 16

which of these phyla has an “open” circulatory system with blood bathing internal organs?

Answer 16

Molluska

Question 17

which phyla has a closed circulatory system with blood pumped through blood vessels?

Answer 17

annelida, cephalopoda

Question 18

What classifies annelids?

Answer 18

number of setae, parapodia

Question 19

Earthworms, Gardenworms

Answer 19

oligocheta

Question 20

Tubeworms, Bristleworms

Answer 20

polychaeta

Question 21

organelle do earthworms use during sexual reproduction to form a cocoon around the eggs

Answer 21

clitellum

Question 22

organisms use radula to scrape algae off rocks

Answer 22

squid, snail, and chinton

Question 23

Annelid with a flat body with anterior and posterior suckers?

Answer 23

leech

Question 24

which of these organisms have gills for respiration

Answer 24

clams

Question 25

which organelle do squid and octopus use for orientation in water and hearing sounds?

Answer 25

statocyst

Question 26

Which organelle to squid and octopus use for rapid changing color for camoflouge?

Answer 26

chromatophores

Question 27

which phylum had organisms with blue blood due to their circulatory system?

Answer 27

mollusca

Question 28

Which specific element creates the color of hemocyanin in blood?

Answer 28

copper

Question 29

Identify the specific organelle for grasping in squid and octopus respectively?

Answer 29

Suction cups, suckers

Question 30

Organelle is a rasping mouth structure with many tiny teeth to scrape algae from rock surfaces?

Answer 30

Radula

Question 31

Which cephalopod has the most complex nervous system with remarkable memory?

Answer 31

octopus

Question 32

which cephalopod has the most dramatic color and pattern changes?

Answer 32

cuttlefish

Question 33

Which cephalopod has the greatest number of tentacles or arms?

Answer 33

chambered nautilus

Question 34

Which has 8 flattened, flexible, overlapping plates allowing it to fit into rock crevices?

Answer 34

chinton

Question 35

Which type of movement do squid and chambered nautilus exhibit?

Answer 35

jet propulsion

Question 36

which of these organisms have a circulatory system with one systemic heart and two brachial hearts

Answer 36

octopus