Shared Flashcard Set

Details

Mr. Wright - 7th Grade Life Science
Life Science 15 Test
19
Science
7th Grade
01/29/2013

Additional Science Flashcards

 


 

Cards

Term

Yes or No

 

Invertebrates do not have skeletons.

Definition
No
Term

Yes or No

 

Collar cells have flagella that are used to propel water through a sponge.

Definition
Yes
Term
An earthworm exchanges oxygen and carbon dioxide...
Definition
through its skin
Term
The tiniest blood vessels are called...
Definition
capillaries
Term
Which part of the earthworm serves as a temporary storage chamber for food?
Definition
crop
Term
Earthworms use their bristles...
Definition
to help anchor their bodies
Term
What characteristic distinguishes phylum Annelida from the other worm phyla?
Definition
segmented body
Term
Why does a tapeworm need hooks and suckers on its head?
Definition
to hold onto its host's digestive tract
Term
The phylum that includes flatworms is...
Definition
Platyhelminthes
Term
A jellyfish's tentacles and nematocysts are used to...
Definition
capture food
Term
Sponges obtain food by...
Definition
filtering it from the water
Term
No invertebrate has...
Definition
a backbone
Term
A collection of nervous tissue, called a "simple brain" in some organisms, is a...
Definition
ganglion
Term
What kind of symmetry do flatworms have?
Definition
bilateral
Term
A digestive chamber of a jellyfish is called its...
Definition
gastrovascular cavity
Term
Animals...
Definition
are not unicellular
Term
Why do you think sponges cannot survive out of water?
Definition
Sponges obtain food and oxygen and eleminate wastes in water.
Term

Be able to label the following parts of a sponge:

spicule

flagella

collar cell

pore cell

Definition
Term

Be able to label the following on a diagram of a jellyfish:

nematocyst

tentacle

gastrovascular cavity

endoderm

ectoderm

Definition
Supporting users have an ad free experience!