Lab Exam 4

Question 1

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Answer 1

Sea Squirt / Tunicates

Question 2

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Answer 2

Sea Squirts / Tunicates

Question 3

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Answer 3

Lancelots / Amphioxus

Question 4

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Answer 4

Lancelots / Amphioxus

Question 5

label parts and define the organism

Answer 5

Lancelots / Amphioxus

Question 6

label parts and define organism

Answer 6

Lancelots / Amphioxus

Question 7

label parts and define the organism

Answer 7

Lancelots / Amphioxus

Question 8

label

Answer 8

hagfish

Question 9

label

Answer 9

hagfish

Question 10

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Answer 10

Lamprey

Question 11

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Answer 11

Lamprey

Question 12

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Answer 12

shark

Question 13

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Answer 13

skates

Question 14

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Answer 14

stingray / ray

Question 15

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Answer 15

sawfish

Question 16

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Answer 16

ratfish
- deep sea
- eats mollusks

Question 17

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Answer 17

Bass - freshwater

Question 18

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Answer 18

Trout - freshwater

Question 19

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Answer 19

Perch - freshwater

Question 20

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Answer 20

flounder - saltwarer

Question 21

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Answer 21

sailfish - saltwater

Question 22

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Answer 22

seahorse - saltwater

Question 23

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Answer 23

Lungfish

Question 24

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Answer 24

frog

Question 25

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Answer 25

toad

Question 26

label

Answer 26

salamanders

Question 27

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Answer 27

Caecilians

Question 28

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Answer 28

turtle

Question 29

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Answer 29

tortoise

Question 30

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Answer 30

lizard

Question 31

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Answer 31

alligator

Question 32

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Answer 32

crocodile

Question 33

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Answer 33

snake

Question 34

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Answer 34

platypus

Question 35

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Answer 35

echidna

Question 36

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Answer 36

kangaroo

Question 37

label

Answer 37

koala

Question 38

label

Answer 38

lemurs

Question 39

label

Answer 39

bat

Question 40

label

Answer 40

manatees

Question 41

label

Answer 41

whales

Question 42

what are the adaptations that gave rise to flight in brids

Answer 42

Question 43

what is a marsupial

Answer 43

animals with a pouch for developing young such as kangaroos or koalas

Question 44

define viviparous

Answer 44

giving birth to living young that has developed within the body

Question 45

what is ectotherm

Answer 45

an animal that relies on body heat from external sources (ex: fish, amphibians, and invertebrates )

Question 46

what is an endotherm

Answer 46

an animal that generates it’s own body heat

Question 47

define anadromous

Answer 47

born in fresh water, matures in saltwater, returns to fresh water to spawn (ex: lamprey)

Question 48

what is a monotreme

Answer 48

a mammal that lays eggs (ex: platypus and echidna)

Question 49

order Anura contains:

Answer 49

tailless toads & frogs

Question 50

order Apoda contains:

Answer 50

limbless amphibians

Question 51

order Urodela contains:

Answer 51

tailed salamanders & newts

Question 52

what are the 5 defining characteristics of phylum chordata

Answer 52

1. notochord skeletal rod
2. dorsal hallow tubular nerve cord
3. endostyle or thyroid gland
4. post anal tail
5. pharyngeal gill slits

Question 53

difference between axial and appendicular skeleton

Answer 53

axial = central bones including the skull, vertebral column, and ribs

appendicular = the bones of the limbs and their attachments to the axial skeleton

Question 54

define flexion

Answer 54

movement that decreases the angle between 2 body parts

(opposite extension)

typically sagittal plane

Question 55

define extension

Answer 55

movement that increases the angle between 2 body parts

(opposite flexion)

typically sagittal plane

Question 56

define adduction

Answer 56

movement that brings a body part closer to the midline of the body

(or the midline of a limb)

(opposite abduction)

typically frontal plane

Question 57

define abduction

Answer 57

movement that brings a body part away from the midline of the body

(or the midline of a limb)

(opposite adduction)

typically frontal plane

Question 58

function of thyroid and parathyroid gland in amphibians

Answer 58

overall, the thyroid & parathyroid work together to regulate metabolism, control metamorphosis, and maintain calcium homeostasis

Question 59

what are the 3 layers of a frogs skin? and what 3 glands are found in the skin

Answer 59

• epidermis
• dermis
  - stratum spongiosum
  - stratum compactum

the mucous gland, granular gland (poison), and the mixed gland

Question 60

how do amphibians breathe

Answer 60

• pulmonary respiration / using lungs (land)
• cutaneous respiration / using skin (water)
• buccal pumping - using lungs through buccal cavity
  (increased oxygen demand)

Question 61

how many chambers of the heart do frogs posses

Answer 61

• 2 atria
• 1 ventricle

3 chambers total

Question 62

5 steps of a scientific method

Answer 62

1 - observation
2 - question
3 - predictions
4 - hypothesis
5 - hypothesis testing (experiment)

Question 63

define null hypothesis vs. alternate hypothesis

Answer 63

null - statement of no affect or difference

alternate - stating there is an affect or difference

Question 64

purpose of control group

Answer 64

provide a baseline for measurement in experiments and works as validation for any findings of the experiment

Question 65

innate vs. learned behavior

Answer 65

INNATE - instinctive, unlearned, genetically programmed, natural response to certain stimuli in the environment

LEARNED - learned through experience, processes, and active cognitive thinking