Definition

Question 1

Mantle

Answer 1

A thin layer of tissue covering body organs of SOME organisms. If shell is present, mantle makes the shell

Question 2

gill

Answer 2

an organ used by SOME organisms to exchange carbon dioxide for oxygen in water

Question 3

RADula

Answer 3

a tongue like structure used by gastropods to file and scrape food material

Question 4

open circulatory system

Answer 4

a circulatory system that moves blood out into the open spaces around the organs (SLOW)

Question 5

closed circulatory system

Answer 5

system in which blood is enclosed into tubes/vessels

Question 6

setae (bristles)

Answer 6

bristle-like structure used by segmented worms to move

Question 7

crop (pre-gizzard)

Answer 7

sac-like structure used by some organisms to store food before it is broken down

Question 8

gizzard (post crop)

Answer 8

muscular structure used by some organisms to grind food.

Question 9

apPENdages

Answer 9

structure that extends off trunk of body (ARM)

Question 10

exoskeleton

Answer 10

hard outer covering used to protection and support

Question 11

spriacles

Answer 11

tiny openings in insects which air and waste gasses are exchanged

Question 12

metamorphosis

Answer 12

process of changing from one body form to another

Question 13

molting

Answer 13

process of an organism shedding its outer covering to grow a new exoskeleton