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Bio 121 lab > lab7 > Flashcards

lab7 Flashcards

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Biology 101 flashcards
1
Q
  1. Segmented worm 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. type of digestive system
A
  1. Annelida
  2. Lumbricus
  3. Eumetazoa
  4. bilateral
  5. Hermaphroditic
  6. moist terestrial environments (burrows)
  7. seperate mouth and anus
  8. motile bycontraction of muscles in its body wall
  9. Protective cuticle covering body
  10. Sandworm and leech
  11. triploblastic coelomate
  12. tubular
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2
Q

coelom

A

fluid filled body cavity surrounded entirely by a mesoderm ( a cavity in the mesoderm)
- contains the internal organs

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3
Q

pathway of food in lumbricus

A

pharynx takes in good from the mouth
Food passes through esophogus
Food is stored temporarily in thin walled crop
Passes to muscular gizzard (where it is ground up)
Long intestine (digestion and absorption of nutrients occurs)
eliminated through the anus

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4
Q

hearts of annelids pump blood to

A

ventral blood vessel, which takes it posteriorly to all segments

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5
Q

seminal vesicles

A

store the sperm

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6
Q

ventral nerve cord

A

gives rise to small nerves in each segment

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7
Q
  1. Apple snail 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
A
  1. Mollusca
  2. Pomacea
  3. Eumetazoa
  4. Bilaterral symmetry
  5. Seperate sexes
  6. Freshwater
  7. Omnivorous (feed on algae, terrestrail plants, detritus and decaying animals)
  8. motile by muscular contractions which pass down the length of the foot and it glides on film of mucus
  9. have both gills and lungs in case water dries up
  10. Clam, Octopus, Squid
  11. triploblastic coelomate
  12. Tubular
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8
Q

Molusk body commonly consists of

A
  1. the foot
  2. the visceral mass
  3. the mantle
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9
Q

Visceral mass contains ______

A

the internal organs

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10
Q

mantle

A

fold of tissue which secretes the shell

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11
Q

mollusk shells made of

A

calcium carbonate

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12
Q

Arthropods are animals with _______
They have an ______ which is called a ______
Are made of a tough carbohydrate called ______

A

jointed appendages
External skeleton, exoskeleton
Chitin

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13
Q

In order to grow arthropods must

A

periodically shed their exoskeleton and secrete a new one through molting

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14
Q
  1. Crayfish 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. Type of digestive system
A
  1. Arthropoda
  2. Cambarus
  3. Eumetazoa
  4. bilateral
  6. freshwater
  7. predaters and detrivores
  8. motile by jointed appendages
  9. Excapes from predation by quickly doing a tail flip(bending abdomen rapidly under the thorax which propels the crayfish backwards)
  10. Any insect
  11. triploblastic coelomate
  12. tubular gut
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15
Q

antennae on crayfish are ______

A

sensory appendages

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16
Q

Cheliped for

A

defense, subduing prey and sexual display

17
Q

maxillae and maxillipeds are for

A

breaking up food particles and guiding them into the mouth

18
Q

Mandibles are for

A

cutting and grinding food

19
Q

Anterior walking legs of crayfish for

A

walking and searching for food (have pincers on them)

20
Q

pleopods

A

create a current of water that passes over the gills aiding in respiration

21
Q

gonopods

A

on male crayfish and are used to transfer sperm to female crayfish

22
Q

female crayfish release eggs and stored sperm form

A

seminal receptacles

23
Q

uropods and telson make up

A

the tail fin

Bio 121 lab (8 decks)

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