Assignment 5 Obj 7 and 8 Unit 2

Assignment 5 Obj 7 and 8 Unit 2

Use the Textbook and notes to answer the following questions.

Question 1 1 pts

All Ctenophores have comb rows that are actually large cilia used for reproduction.

True

False

Question 2 1 pts

All Ctenophores have comb rows that are actually large cilia used for transportation.

True

False

Question 3 1 pts

The cilia used by Ctenophores are the largest cilia any organisms use.

True

False

Question 4 1 pts

Ctenophores also have nematocysts to sting their prey.

True

False

Question 5 1 pts

Ctenophores use tentacles covered in colloblasts.

True

False

Question 6 1 pts

Colloblasts are glue cells which stick to small prey and enable the tentacles to carry prey to the ctenophores mouth.

True

False

Question 7 1 pts

All Ctenophores are bioluminescent, meaning they are capable of producing light.

True

False

Question 8 1 pts

The luminescence from Ctenophores is caused by beating their combs, this causes the diffraction of light to form a rainbow.

True

False

Question 9 1 pts

Classification for Ctenophores is determined by the number of rows of combs.

True

False

Question 10 1 pts

Ctenophores have two digestive openings but rarely use the anus for defecation.

True

False

Question 11 1 pts

The respiratory system consists of a mouth, pharynx and stomach with a canal system.

True

False

Question 12 1 pts

All Ctenophores have a distinct larval form before adulthood.

True

False

Question 13 1 pts

Most ctenophores are round or spherical in body shape.

True

False

Question 14 1 pts

Ctenophores generally have 4 large tentacles

True

False

Question 15 1 pts

Ctenophores generally have 8 rows of comb plates

True

False

Question 16 1 pts

All ctenophores are hermaphrodites and most only reproduced asexually.

True

False

Question 17 1 pts

An example of the class Tentaculata is

Beroepunctatus

Lotalota

Salmotrutta

Hormimorphoplumosa.

Question 18 1 pts

An example of the class Nuda is

Lotalota

Hormimorphaplumosa

Salmotrutta

Beroepunctatus

Question 19 1 pts

There are about 1,000 species of Ctenophores that have been discovered

True

False

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Question 20 1 pts

Ctenophores are NOT often called which of the following:

sea walnuts

Venus's girdles

gooseberries

comb jellies

Sea cucumbers

Question 21 1 pts

Tentaculata has this level of taxonomy for Ctenophores

Order

Phylum

Class

Genus

Question 22 1 pts

Ctenophora is classified at this level of taxonomy.

Genus

Phylum

Order

Class