Exam 2 - T/F

Question 1

All members of Phylum Mollusca have an open circulatory system.

Answer 1

False

Question 2

All members of Phylum Mollusca have shells

Answer 2

False

Question 3

Cephalopods have a closed circulatory system

Answer 3

True

Question 4

For the phylum Onycophora, both the amount of glue overall and per gram goes up for bigger and more agile prey.

Answer 4

False

Question 5

Members of Phylum Mollusca have trochophore larvae that develops from veliger larvae.

Answer 5

False

Question 6

Taxonomy for Phylum Annelida has been largely reorganized in recent years, due to the inclusion of previously believed distantly related worms, such as peanut worms and beard worms, that used to be placed in their own phyla.

Answer 6

True

Question 7

Arthropod tissue stops growing due to triggers from changes in molting stage, while their skeleton continues to grow.

Answer 7

False

Question 8

The thin, non waxy cuticles found in the Velvet worms (Phylum Onychophora) help to prevent against H2O loss.

Answer 8

False

Question 9

Subclass Errantia are sedentary and spend their lives in burrows

Answer 9

False

Question 10

Millipedes and centipedes both have 2 legs per segment.

Answer 10

False

Question 11

Uniramous appendages are when there is 1 unbranched appendage

Answer 11

True

Question 12

In the Order Chilopoda the fang is 1st thoracic appendage

Answer 12

True

Question 13

Pycnogonids have distinct tagmata and a unique proboscis with the mouth at its tip

Answer 13

False

Question 14

All ticks and mites are parasitic.

Answer 14

False

Question 15

All living crustaceans have a nauplius larval stage.

Answer 15

False

Question 16

Subphylum Mandibulata consists of Classes Myriapoda, Crustacea, and Insecta.

Answer 16

True

Question 17

Male sea spiders carry eggs on their ovigerous legs.

Answer 17

True

Question 18

The Malpighian tubules of insects are the only case in the animal kingdom where the excretory system connects directly to the gut.

Answer 18

True

Question 19

The compound eyes of insects are made up of many ommatidium (plural).

Answer 19

True

Question 20

Annelids and Molluscs do NOT have a true coelom

Answer 20

False

Question 21

Do Onychophorans have a true coelom?

Answer 21

True

Question 22

Spoon worms (Echiurans) are all known as inn-keeper worms because they create burrows which other organisms inhabit and live in.

Answer 22

False

Question 23

Worms in the family Spionidae use their grooved palps in feeding

Answer 23

True

Question 24

Cephalopods are the ONLY molluscs with an open circulatory system.

Answer 24

False

Question 25

Bivalves use their radula for filter feeding.

Answer 25

False

Question 26

ALL members of the Phylum Annelida show distinct body segmentation.

Answer 26

True

Question 27

In the Phylum Annelidia the Errant worms are currently in the monophyletic group called the Class Polychaeta.

Answer 27

True

Question 28

All adult members of the Phylum Annelida have at least one pair of chaetae (also called setae).

Answer 28

True

Question 29

Centipedes and millipedes are terrestrial arthropods in the class Chilopoda.

Answer 29

True

Question 30

Phylum Annelida has a trochophore larva stage.

Answer 30

False

Question 31

The phylogeny of the phylum Mollusca is still being debated today.

Answer 31

True

Question 32

The first pair of thoracopods in a Stomatopod (Mantis Shrimp) are designed to either be club-like or spear-like.

Answer 32

True

Question 33

Torsion is present only in gastropods, except within nudibranchs.

Answer 33

False