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Bio 121 lab > lab8 > Flashcards

lab8 Flashcards

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Biology 101 flashcards
1
Q
  1. Starfish phylum is _______
  2. Our model organism is ______
  3. it’s subphylum is ____
  4. It’s symmetry is ____
  5. Reproduction is _____
  6. It’s habitat is _______
  7. food/energy is obtained by
  8. sessile or motile
  9. Some adaptations are ________
  10. Some friends are _________
  11. Body plan is
  12. digestive system is
A
  1. Echinodermata
  2. Pisaster
  3. Eumetazoa
  4. Pentaradial
  5. Seperate sexes, gonads under digestive glands, release gametes into water where fertization happens
  6. cold water, northwest pacific ocean
  7. feeds on muscles, snails and barnacles, tube feet force open shell, cardiac stomach everted out of body & engulfs prey
  8. water vascular system coordinates movement of tube feet
  9. When threatened the tube feet can be withdrawn and the groove closed and protected by rows of spines visible on either side of the groove
  10. Brittle star, sea lily, sea urchin, sea cucumber
  11. triploblastic coelomate
  12. tubular digestion

not segmented

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2
Q

Echinoderm skeleton

A

endoskeleton of calareous plates and spines within their skin

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3
Q
  1. Fish phylum is _______
  2. Our model organism is ______
  3. it’s subphylum is ____
  4. It’s symmetry is ____
  5. Reproduction is _____
  6. It’s habitat is _______
  7. food/energy is obtained by
  8. sessile or motile
  9. Some adaptations are ________
  10. Some friends are _________
  11. Body plan is
  12. Digestive system is
A
  1. Chordata
  2. Perca
  3. Eumetazoa
  4. bilateral
  5. Seperate sexes
  6. Freshwater streams and lakes in saskatchewan
  7. eating smaller fish, worms, ….
  8. motile by axial locomotion
  9. Covered with bony scales for protections, mucus protects skin, makes swimming easier
  10. snake, bird, mammal
  11. triploblastic coelomate
  12. tubular digestive tract

Have segmentation

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4
Q

invertebrate chordates

A

lack backbone or vertebral column

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5
Q

All chordates at some point in their life have

A

a notochord
a hollow dorsal nerve cord
pharyngeal gill slits
post anal tail

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6
Q

perch nostrils

A

water goes in through anterior nostirs to olfactory sac, chemical changes in water are sense and the water goes out through the posterior nostrils

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7
Q

swim bladder

A

to keep fish neutrally buoyant in water

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8
Q
  1. _____ collects deoxygenated blood form the body tissues
  2. the blood moves into the ______
  3. and is pumped into the _______
  4. From here it is pumped anteriorly into an expanded artery the _______
  5. Which narrows to form the ______
  6. That takes deoxygenated blood to the ______
  7. the ______ takes oxygenated blood from the gills to the rest of the body
A
  1. Sinus venosus
  2. atrium
  3. ventricle
  4. bulbus arteriosus
  5. ventral aorta
  6. gills
  7. dorsal aorta
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9
Q

another name for undulatory locomotion

A

axial locomotion

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10
Q

Using limbs in locomotion also means

A

appendicular locomotion

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11
Q

gas exchange of amphibians is through

A

moist skin of thier oral cavities and their external body surface (also lungs)

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12
Q

Mucous glands in amphibians are _______

and they _______

A

present in the dermis and help keep skin moist

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13
Q

epidermis of reptile skin has

A

thin layer of living cells wiht a thick layer of dead cells (stratum corneum)
- overlapping scales also developed from the epidermous

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14
Q

amniotic shelled egg

A

contain all necessary water food and protection

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15
Q

extraembryonic membranes

A

functions of delivering oxygen and food to the embryo and taking away carbon dioxide and waste, also protection for an egg

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16
Q

Fish heart

A

two chambers one atrium, one ventricle, blood goes through heart once

17
Q

Amphibian and reptile heart

A

3 chambers (2 atria, one ventricle)

18
Q

mammal and bird heart

A

4 chambers, two cycles (pulmonary(lung) and systemic(body))

19
Q

Pulmonary circuit

In mammalian heart deoxygenated blood arrives at _____ via the _______ and the ________ the deoxygenated blood then passes from the _______ to the _______ which is then pumped to the __________ and to the _______ (backflow prevented by ______)

A 
right atrium
anterior/superior vena cava
posterior/inferior vena cava
right atrium
right ventricle
pulmonary artery
lungs
pulmonary valve
20
Q

Systemic circuit

Oxygenated blood returns from the lungs via the ________ and enters the _______ the oxygenated blood then enters the ________ (past the _______) The left ventricle pumps the blood into the _____ (past the _______)

A 
pulmonary veins
left atrium
left ventricle
mitral valve
aorta
aortic valve

Bio 121 lab (8 decks)

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