Chapter 15 Flashcards
Are animals unicellular?
no
No invertebrate has
a backbone
Phylum Porifera includes the
brown tube sponge
is nematocyst part of a sponge?
no
The digestive chamber of a jellyfish is called its ________
gastrovascular cavity
The corals that build coral reefs are _______ corals
hard corals
What kind of symmetry do flatworms have?
bilateral
The phylum which includes flatworms is _____
Platyhelminthes
A collection of nervous tissue, called a “simple brain” in some organisms, is a _______
ganglion
Which structure(s) does the planarian use to remove wastes from its body?
flame cells and excretory pores
Why does a tapeworm need hooks and suckers on its head?
to hold onto its host’s digestive tract
What characteristics distinguishes phylum Annelida from the other worm phyla?
segmented body
In a closed circulatory system, blood flows along what route? (Hint: start with veins)
veins–>heart–>arteries–>capillaries–>veins
The structure in the earthworm which collect wastes are the __________
excretory tubules
The characteristic that gives the sponge phylum its name
pores
protein component of some sponge skeletons
spongin
a type of skeleton similar to a water balloon
hydrostatic
the outer tissue layer in a jellyfish
ectoderm
a stinging cell of a hydra or jellyfish
nematocyst
an animal in the same phylum as the jellyfish
coral
a nerve cell
neuron
a collection of nerve cells wrapped in a protective covering
nerve
Be able to label the following structures of a sponge:
- pore cell
- collar cell
- flagella
- spicule
use diagram on page 269 to study
Be able to label the following digestive system structures of earthworm:
- pharynx
- crop
- gizzard
- intestine
use diagram on page 279 to study
