Biology Practicum

Question 1

The three shapes of bacteria

Answer 1

Cocci, spirilla, and Bacilli

Question 2

What shape does Cocci have?

Answer 2

Spherical shape

Question 3

What shape does Spirilla have?

Answer 3

Spiral

Question 4

What shape does Bacilli have?

Answer 4

Rod shaped

Question 5

Has more peptidoglycan

Answer 5

Gram Positive

Question 6

Have less peptidoglycan

Answer 6

Gram Negative

Question 7

Differential stain that distinguishes positive (+) from negative (-) bacteria

Answer 7

Gram stain

Question 8

What color does Gram-positive turn when stained?

Answer 8

Purple

Question 9

What color does Gram-negative turn when stained?

Answer 9

Reddish-pink

Question 10

A specific organism that is known to cause many skin ailments

Answer 10

Staphylococcus Aureus

Question 11

A specific organism that is known to cause scarlet fever, toxic shock syndrome, bacteremia, pneumonia, and more

Answer 11

Streptococcus pyogenes

Question 12

These are Eukaryotic organisms that are generally unicellular

Answer 12

Protists

Question 13

The “cool art”

Answer 13

Freshwater and Marine Diatoms

Question 14

A single-celled organism; lives in water

Answer 14

Euglena

Question 15

Name all 7 Protists

Answer 15

Freshwater/Marine Diatoms, Euglena, Amboeba Proteus, Entamoeba Histolytica, Trypanosoma gambiense, Paramecium, and Stentor

Question 16

A parasitic protist

Answer 16

Entamoeba Histolytica

Question 17

Found in blood of infected individuals; causes African Sleeping Sickness

Answer 17

Trypanosoma gambiense

Question 18

__________: Phylum = __________

Answer 18

Sponges; Porifera

Question 19

Their bodies have many passageways for water to flow through

Answer 19

Sponges

Question 20

A sponge with spicules made of calcium carbonate (calcareous sponge)

Answer 20

Grantia

Question 21

Provide structural support for most sponges

Answer 21

Sponge spicules

Question 22

Aquatic invertebrates with special cells used to catch prey

Answer 22

Cnidaria

Question 23

Reproduces asexually and forms colonies; made of polyps

Answer 23

Obelia: Hydroid (1st gen.)

Question 24

Reproduces sexually and swims freely

Answer 24

Obelia: Medusa (2nd gen.)

Question 25

Sea anemone; uses stinging cells to capture prey

Answer 25

Metridium

Question 26

Fresh water invertebrate that is able to regenerate tissues, not age, and has special nematocysts (stinging cells)

Answer 26

Hydra

Question 27

Flatworms characterized by unsegmented bodies and bilateral symmetry

Answer 27

Platyhelminthes

Question 28

Flatworm that can regenerate and HAS eyespots

Answer 28

Planaria

Question 29

A parasitic tapeworm that can infect humans due to eating raw meat

Answer 29

Taenia Pisiformis

Question 30

Flat fluke (with NO eyespots) that infects the human liver

Answer 30

Clonorchis sinensis

Question 31

A parasitic flatworm and blood fluke that infects human bladder and intestine arteries

Answer 31

Schistosoma mansoni

Question 32

Roundworms, about half of which are parasitic

Answer 32

Nematodes

Question 33

A parasitic nematode AKA “small intestinal roundworm”

Answer 33

Ascaris megalocephala

Question 34

May be male or female

Answer 34

Ascaris megalocephala

Question 35

Are smaller and have the presence of a spicule

Answer 35

Male Ascaris

Question 36

Parasitic roundworm known to cause trichinellosis. Results in diarrhea, abdominal pain, and vomiting

Answer 36

Trichinella spiralis

Question 37

May lead to brain or heart damage

Answer 37

Trichinella spiralis

Question 38

Clams and Mussels

Answer 38

Bivalve

Question 39

Have two shells that hinge and are filter feeders

Answer 39

Bivalve

Question 40

Keep shells closed

Answer 40

Adductor muscles (anterior and posterior)

Question 41

Thin membrane attached to the inside of the shell

Answer 41

Mantle

Question 42

Thin membrane under the mantle that connect to incurrent and excurrent siphons. Respiration occurs upon water entry

Answer 42

Gills

Question 43

Tough muscular structure used in movement

Answer 43

Foot

Question 44

Extend from the visceral mass towards the hinge at the back

Answer 44

Intestines

Question 45

Thin piece of tissue near mouth opening

Answer 45

Labial palps

Question 46

Located near the visceral mass

Answer 46

Mouth

Question 47

Small lump by intestines near the hinge

Answer 47

Heart

Question 48

Consists of stomach, digestive glands, and gonads

Answer 48

Visceral mass

Question 49

Name the 4 Cnidaria

Answer 49

Obelia wm (hydroid), Obelia Medusa, Metridium cs & ls, and Hydra

Question 50

Name the 4 Platyhelminthes

Answer 50

Planaria, Taenia pisiformis, Clonorchis sinensis, and Schistosoma mansoni

Question 51

Name the 2 Nematodes

Answer 51

Ascaris megalocephala and Trichinella spiralis