Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Ch 15-Cnidaria

Biolab- Cnidarians

QuestionAnswer
Cnidarians are always.. aquatic, mostly marine, organism with distinct radial symmetry.
Cnidarians are .... so they have an ectoderm and endoderm with layer between the two called... diploblastic, mesoglea (the jelly in the jelllyfish)
Represent the first phylum with ... true nerve tissues, the nerve net extends through the body.
Cnidarians also have primitive muscle cells called... epitheliomuscluar cells, which are capable of contraction.
They get their name because they have special stinging cells called... cniodcytes. They also have nematocyst which is a small harpoon like structure and is discharged from the animal.
There are two distinct body forms of cnidarian- Polyp Isessile sedentary) and medusae( are movlie free swiming forms.
Three classes of cnidarians: hydrozoa, Scyphozoa, and Anthoza
Cnidarians are always.. aquatic, mostly marine, organism with distinct radial symmetry.
Cnidarians are .... so they have an ectoderm and endoderm with layer between the two called... diploblastic, mesoglea (the jelly in the jelllyfish)
Represent the first phylum with ... true nerve tissues, the nerve net extends through the body.
Cnidarians also have primitive muscle cells called... epitheliomuscluar cells, which are capable of contraction.
They get their name because they have special stinging cells called... cniodcytes. They also have nematocyst which is a small harpoon like structure and is discharged from the animal.
There are two distinct body forms of cnidarian- Polyp Isessile sedentary) and medusae( are movlie free swiming forms.
Three classes of cnidarians: Hydrozoa, Scyphozoa, and Anthoza
Cnidarians are always.. aquatic, mostly marine, organism with distinct radial symmetry.
Cnidarians are .... so they have an ectoderm and endoderm with layer between the two called... diploblastic, mesoglea (the jelly in the jelllyfish)
Represent the first phylum with ... true nerve tissues, the nerve net extends through the body.
Cnidarians also have primitive muscle cells called... epitheliomuscluar cells, which are capable of contraction.
They get their name because they have special stinging cells called... cniodcytes. They also have nematocyst which is a small harpoon like structure and is discharged from the animal.
There are two distinct body forms of cnidarian- Polyp Isessile sedentary) and medusae( are movlie free swiming forms.
Three classes of cnidarians: hydrozoa, Scyphozoa, and Anthoza
Hydroids have a dominant polyp stage
Hydra reproduces both sexual and asexually- asexual reproduction consist of budding and sexual reproduction involves gonads.
Colonial polyps come in two types: hydrotheca (feeding polyps which specialize in prey capture), gonotheca (reproductive polyps containing gonangia)
Jellyfish class also know as... is where the medusa is the dominant form in the life cycle. Scyphozoa.
Anthozoas are represented by the sea anemones and corals where the medusa stage is entirely. absent.
Many coral secrete hard _______ ____ around the polyps. The size and shape of these colonies are species-specific. calcareous skeletons
Many coral secrete hard _______ ____ around the polyps. The size and shape of these colonies are species-specific. calcareous skeletons
Portuguese man-o-war is a ______ ______, looks like a medusa, each man-o-war is a colony composed of .... colonial hydrozoan; many highly specialized polyps.
In Hydrozoa th etissue layers are apparent, the outer ------, overlying a thin layer of -----. The ----- lines the ------ cavity. ectoderm, mesoglea; endoderm, gastrovascular.
The tentacles are lined with -------, specialized stinging cells. Close examination of these cells hsould reaveal... cnidocytes- small harmpoon like nematocysts within.
In Hydrozoan once the medusae is freed from the polyp it has an umbrella like body called a _____. _____ hang from its free margin, and small orientation-sensitive organs called __________ can be seen near the base o these. Suspended from the center of th Velum (umbrella body); Tentacles (duh); statocysts (GPS); and the maubrium (mouth like opening)
Each medusa has four semicircular ______. gonads.
Created by: kccroy
Popular Biology sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards