BIOL 1031 Lab Practical #2

Question 1

What class is Portuguese man o’ war in?

Answer 1

C. Hydrazoa

Question 2

In P. Cnidaria, what is the difference between feeding and reproductive polyps?

Answer 2

Feeding polyps have tentacles and reproductive polyps have no tentacles

Question 3

What class are leeches in? Suckers?

Answer 3

C. Hirudinea

2 suckers

Question 4

What class are flukes in? Suckers?

Answer 4

C. Trematoda

1 sucker

Question 5

What class are planarians in? What is special about them?

Answer 5

C. Turbellaria

They have eye spots called ocellum

Question 6

What class are earthworms in?

Answer 6

C. Oligochaeta

Question 7

What class are chitons in?

Answer 7

C. Polyplacophora

Question 8

What phylum are roundworms in? What is special about them?

Answer 8

P. Nematoda

The only group of “worms” with 2 separate sexes

Question 9

This specimen has a hooked tail, indicating male. The female is larger without a tail. What phylum is this organism in?

Answer 9

P. Nematoda

Species Ascaris

Question 10

What is distinct about SP. Crustacea?

Answer 10

2 pairs of antennae and biramous appendages

Question 11

What is distinct about SP. Hexapoda?

Answer 11

2 pairs of wings

Question 12

What class are sea stars in?

Answer 12

C. Asteroidea

Question 13

What class are brittle stars in?

Answer 13

C. Ophiuroidea

Question 14

What class are sea cucumbers in?

Answer 14

C. Holothuroidea

Question 15

What class are urchins and sea dollars in?

Answer 15

C. Echinoidea

Question 16

4 characteristics of P. Chordata

Answer 16

1. ) Notochord
2. ) Pharyngeal gill slits
3. ) Dorsal tubular nerve cord
4. ) Postanal tail

Question 17

Which side of the heart has more muscle?

Answer 17

The left side

Question 18

Flatworms are in what phylum?

Answer 18

P. Platyhelminthes

Question 19

Class of snail?

Answer 19

C. Gastropoda

Question 20

What is an anole?

Answer 20

Reptile

Question 21

Phylum of jellyfish?

Answer 21

P. Cnidaria

Question 22

What is a shark?

Answer 22

Chondrichthyes

Question 23

Where does water exit in a sponge?

Answer 23

Osculum

Question 24

WhatbodytypeischaracteristicofPhylumPlatyhelminthes?

Answer 24

Acoelomate

Question 25

What body type is characteristic of the Phylum Nematoda?

Answer 25

Pseudocoelmate

Question 26

What subphylum are lancelets in?

Answer 26

SP. Cephalochordata

Question 27

What phylum are vinegar eels?

Answer 27

P. Nematoda

Question 28

What phylum is a sea mouse in?

Answer 28

P. Annelida

Question 29

Outermost layer of an earthworm?

Answer 29

Cuticle

Question 30

Earthworm body classification?

Answer 30

Coelomate

Question 31

Characteristic of lymphocytes

Answer 31

Mostly nucleus/DNA in order to make antibodies

Question 32

Characteristic of neutrophils

Answer 32

Lobe-shaped nucleus

Question 33

What does the pancreas look like?

Answer 33

Chewed up bubble gum

Question 34

Cross section layers of mammalian testis

Answer 34

1. ) Seminiferous tubules 2. ) Spermatogonia 3. ) Spermatocytes 4. ) Spermatids 5. ) Sperm