Midterm

Question 1

What are two ways that flatworms and roundworms differ in body structure?

Answer 1

They are different in shape and have different digestive systems.

Question 2

What are the 3 main types of worms?

Answer 2

Flatworms, roundworms, segmented worms

Question 3

Why are some kinds of tapeworms dangerous to dogs?

Answer 3

Some tapeworms attack dog’s digestive systems.

Question 4

What supports the body of most sponges?

Answer 4

A network of spikes.

Question 5

What is budding?

Answer 5

Budding is how sponges reproduce asexually.

Question 6

Do sponges have separate sexes?

Answer 6

Yes.

Question 7

What are Cnidarians?

Answer 7

Water dwelling invertebrates.

Question 8

What are the two types of Cnidarians?

Answer 8

Polyps and Medusas.

Question 9

Examples of Chelicerata

Answer 9

Ticks, mites, spiders, and scorpions.

Question 10

Examples of Crustacea

Answer 10

Barnacles, Crabs, Crayfish, lobsters, and shrimp.

Question 11

Examples of Hexapoda

Answer 11

Insects.

Question 12

Examples of Myriapoda

Answer 12

Centipedes and Millipedes

Question 13

Arachnida

Answer 13

Class includes spiders, ticks, mites, and scorpions.

Question 14

What are Chelicerata?

Answer 14

A sub phylum of arthropod that have pincer like mouthparts.

Question 15

Chilopoda

Answer 15

Class Which includes centipedes.

Question 16

Decapoda

Answer 16

Order which includes crabs, crayfish, shrimp and lobsters. All are ten footed.

Question 17

Diplopoda

Answer 17

Class which includes millipedes

Question 18

Merostomata

Answer 18

Class which includes Horeshoe crabs

Question 19

Appendages

Answer 19

An external body part that protrudes from an organisms body.

Question 20

Exoskeleton

Answer 20

The strong but flexible covering of an arthropod.

Question 21

Gills

Answer 21

Crustaceans, aquatic insects, and aquatic insect larvae breath with this organ.

Question 22

Spiracles

Answer 22

Opening to the trachea which open and close using valves, allows air to enter the trachea.

Question 23

Cuticle hairs

Answer 23

Short bristles which provide the input for an arthropods sense of touch.

Question 24

Ecdysis

Answer 24

The periodic shedding of the exoskeleton.

Question 25

External fertilization

Answer 25

A type of fertilization in which a male's sperm fertilizes a female's egg outside of the female's body. Aquatic arthropods use this type of fertilization.

Question 26

Internal fertilization

Answer 26

A type of fertilization in which a male's sperm fertilizes a female's egg inside of the female's body. terrestrial arthropods use this type of fertilization.

Question 27

Larva

Answer 27

The wingless, worm like stage of an arthropod during complete metamorphosis.

Question 28

Nymph

Answer 28

An immature form of an insect.

Question 29

What type of symmetry do arthropods have?

Answer 29

Bilateral symmetry.

Question 30

What does the word "arthropod" mean?

Answer 30

Jointed foot.

Question 31

What does the word "myriapod'' mean?

Answer 31

many feet.

Question 32

What type of circulatory system do arthropods have?

Answer 32

Arthropods have open circulatory systems.

Question 33

Ninety percent of all insects undergo this type of metamorphosis.

Answer 33

Complete metamorphosis.

Question 34

Arachnids must ingest what type of food?

Answer 34

Arachnids must ingest liquid food.

Question 35

Mites and ticks have how many body segments?

Answer 35

Mites and ticks have two body segments.

Question 35

How many pairs of antennae do crustaceans have?

Answer 35

Crustaceans have two pairs of antennae.

Question 36

How many pairs of antennae do insects have?

Answer 36

Insects have one pair of antennae.

Question 37

Entomology

Answer 37

The study of insects.

Question 38

What are the three main body segments of arthropods?

Answer 38

The thorax, abdomen, and head.

Question 39

What are tube feet used for?

Answer 39

To move and eat.

Question 40

Are echinoderms invertebrates that live on the ocean bottom?

Answer 40

Yes.

Question 41

Is the water vascular system connected to the tube feet of echinoderms?

Answer 41

Yes.

Question 42

What is a bivalve?

Answer 42

A mollusk with two shells.

Question 43

Where are the wings of an insect attached?

Answer 43

The thorax.

Question 44

What system are tube feet a part of?

Answer 44

The water vascular system.

Question 45

What type of symmetry do echinoderms have?

Answer 45

Radial symmetry.

Question 46

Are the cells of most organisms organized into higher levels of structure?

Answer 46

Yes.

Question 47

What do corals spend their adult lives as?

Answer 47

Polyps.

Question 48

A network of what support the body of most sponges?

Answer 48

Spikes.

Question 49

Adaptation

Answer 49

A characteristic that helps organisms perform basic functions in their environment.

Question 50

How many openings are there in the digestive tract of roundworms?

Answer 50

Two.