Exam 2

Question 1

ecdysis

Answer 1

the process of molting

Question 2

holometabolous (butterfly)

Answer 2

complete metamorphosis

Question 3

heimetabolosous

Answer 3

incomplete metamorphosis
ex. grasshoppers

Question 4

what structure did wings evolve from?

Answer 4

gills

Question 5

what do bugs use for circulatory system?

Answer 5

tracheal tubes. gives a high metabolic rate

Question 6

explain tagmata

Answer 6

the segmentation of arthropods into head, thorax, and abdomen. each has own function

Question 7

what kind of circulatory system do annelids have?

Answer 7

closed

Question 8

what is the CLITellum on worms?

Answer 8

the band-aid looking part that stores the eggs

Question 9

function of parapodia in annelids?

Answer 9

basically lil legs for movement

Question 10

describe crop and gizzard in worms

Answer 10

crop stores food, gizzard uses rocks it eats to grind up food

Question 11

metanephridium function (2 functions)

Answer 11

for excretion and osmoregulation

Question 12

what are the tapeworms?

Answer 12

Cestoda

Question 13

what are the non parasitic worms?

Answer 13

Turbellaria

Question 14

monogenea are parasites in

Answer 14

gills of fish

Question 15

trematoda are what type of flukes

Answer 15

endoparasitic

Question 16

what is the excretory system of playzoa and what cells does it use?

Answer 16

protonephridia
uses flame cells to help propel fluids

Question 17

metacercaria vs cercaria
(parasite life cycle)

Answer 17

metacercaria is where larva state where parasites encrust self to get digested
cercaria is later where parasite moves from intermediate host to definite

Question 18

what is the attachment of parasites called?

Answer 18

haptor

Question 19

what is proglottid (POOOOOP)

Answer 19

tapeworm egg released in host’s poopy

Question 20

name for head of tapeworm LEXEE

Answer 20

scoLEX

Question 21

rheoreceptors detect

Answer 21

water current

Question 22

strobilation in jellyfish (reproduction)

Answer 22

asexual reproduction where things just fall off the jellyfish

Question 23

ephyra in terms of strobilation of jellyfish

Answer 23

the things that fall off and turn into another jellyfish

Question 24

gland cells are found where and what do they do

Answer 24

gastrodermis. they help begin extracellular digestion

Question 25

what does the mesoglea do?

Answer 25

serve as skeleton

Question 26

organ for balance and orientation

Answer 26

statocyst

Question 27

what is a sac like body plan? (food/waste)

Answer 27

only one opening for food and for waste

Question 28

difference between hydranth and gorangium in a polyp colony

Answer 28

hydranths is the eater
gorangium is the reproducer

Question 29

what is the cell containing nematocytes?

Answer 29

cnidocytes