invertabrate Flashcards
1
Q
an animal that does not have a back bone
A
invertabrate
2
Q
an animal that has a back bone
A
vertabrate
3
Q
an organism that eats other organisms or organic matter
A
consumer
4
Q
a mass of nerve cells
A
ganglion
5
Q
the digestive tract
A
gut
6
Q
a body cavity that contains the internal organs
A
coelom
7
Q
two sides of the body mirror each other
A
bilateral symmetry
8
Q
the body is organized around the center
A
radial symmetry
9
Q
can’t draw a straight to divide its body
A
asymmetry
10
Q
simplest invertebrate
A
sponges
11
Q
hydrozoans, jellyfish, sea anemones, and corals
A
cnidarians
12
Q
simplest worm
A
flat worm
13
Q
round bodied worm
A
roundworms
14
Q
snails slugs clams oysters squids and octopi
A
mollusk
15
Q
a circulatory system in which the circulatory fluid is not contained entirely within vessels
A
open circulatory system
