Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Biology of Animals Lab > Practicum 2 > Flashcards

Practicum 2 Flashcards

1
Q

What is the symmetry of Phylum Mollusca?

A

bilateral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the body organization of Phylum Mollusca?

A

organ systems

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Phylum Mollusca are/have…

A

coelomate, dioecious, protosomes (triploblasts), various degrees of cephalization, Lophotrochozoans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the four main morphological features in Phylum Mollusca?

A

shell, mantle, visceral mass, and foot

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the three classes under Phylum Mollusca?

A

Class Bivalvia, Class Gastropoda, Class Cephalopoda

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are examples of organisms under Class Bivalvia?

A

mussles, clams, scallops, and oysters

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How do organisms under Class Bivalvia eat?

A

filter feeding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How do filter feeders eat?

A

extract food from water column

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Class Bivalvia’s shell is made of..?

A

Calcium Carbonate (CaCO3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What kind of digestive system does Class Bivalvia have?

A

complete digestive system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What secretes digestive fluids in Class Bivalvia?

A

digestive gland

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What does Class Bivalvia use for locomotion?

A

foot

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What kind of circulatory system does Class Bivalvia possess and how is its heart?

A

open circulatory system, three chambered heart

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

open circulatory system

A

blood leaves arteries and fills body cavity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

closed circulatory system

A

blood stays in vessels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Analogous vs Homologous structures in Class Bivalvia

A

analogous structures compared to our eyes (serve similar functions), but not homologous structures because they arose in a different evolutionary lineage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

How does excretory system in Class Bivalvia work?

A

filters nitrogenous waste out of blood, excreted out through the nephridiopore

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What kind of reproductive system does Class Bivalvia have?

A

dioecious

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is glochidium?

A

larval stage form- use fish gills, skin, or fins as host temporarily

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What are examples of organisms under Class Gastropoda “Stomach foots”?

A

snails, slugs, conchs, whelks, and others

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Class Gastropoda undergoes developemental process called________where body plan is twisted (results in asymmetrical body)

A

torsion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is the disadvantage of Class Gastropoda in regards to torsion?

A

fouling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What kind of reproductive system does Class Gastropoda have?

A

some monoecious, some dioecious, but always reproduces sexually

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What kind of circulatory system does Class Gastropoda have?

A

open circulatory system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What kind of digestive system does Class Gastropoda have?
complete digestive system
26
What is the mouth part with rasping teeth for scraping food into the mouth called in Class Gastropoda?
radula
27
What are the eating habits of Class Gastropoda like?
most herbivorous with some exceptions
28
What are some examples of organisms under Class Cephalopoda "head feet"?
squids, nautiloids, cuttlefish, and octopuses
29
What are the eating habits of Class Cephalopoda like?
all carnivorous, possesses radula, and uses chitinous beak as jaws
30
What is the largest invertebrate?
giant squid
31
What kind of digestive system does Class Cephalopoda have?
complete digestive system
32
What is considered a modified foot and/or arms that grasp prey and direct it into mouth in Class Cephalopoda?
tentacles
33
What does Class Cephalopoda use to hold onto prey?
suckers (suction cups)
34
What does Class Cephalopoda use to tear prey apart?
beak
35
What kind of reproductive system does Class Cephalopoda have?
dioecious
36
In Class Cephalopoda, the male passes sperm to female via specialized arm called...
hectocotylus
37
What does Class Cephalopoda use for locomotion?
jet propulsion (ink glands)
38
How does jet propulsion work in Class Cephalopoda
First, the mantle cavity fills with water, then the mantle closes forcing water out of the siphon.
39
What kind of circulatory system does Class Cephalopoda possess?
closed circulatory system
40
Class Cephalopoda uses series of _______ (nerve centers) connected by nerve cords as part of their sensory system.
ganglia
41
What are two separate evolutionary lines that produce the same (analogous) structure independently called?
convergent evolution
42
What is the symmetry of Phylum Annelida?
bilateral
43
What is the body organization of Phylum Annelida?
organ systems, all are cephalized, have segmented bodies
44
What kind of circulatory does Phylum Annelida have?
closed circulatory system
45
What are the small hair-like structure for locomotion in Phylum Annelida called?
setae
46
Repetition of many organs in each segment is called...
metamerism
47
Phylum Annelida are...
coelomates (which creates hydrostatic skeleton), protosomes (triploblasts), Lophotrochozoans
48
What are the two classes under Phylum Annelida called?
Class Polycheata and Class Clitellata
49
What kind of movement does Class Polychaeta partake in?
some motile, others sedentary
50
What is Class Polycaeta "many setae" mainly comprised of?
large group of marine worms
51
What are the paddle-like appendages on each segment from which setae extend (in Class Polychaeta) called?
parapodia
52
What do members of Class Clitellata possess as a reproductive structure that aids in sperm transfer and cocoon formation for eggs?
clitellum
53
Most of Class Clitellata live in what kind of habitats?
terrestrial/freshwater
54
What are the two subclasses under Class Clitellata?
Subclass Oligochaeta and Subclass Hirudinea
55
What is the earthworm's genus under Subclass Oligochaeta "few setae"?
Lumbricus
56
In Class Clitellata, Subclass Ogliochaeta, what is used to move via alternating contractions of longitudinal and circular muscles?
hydrostatic skeleton and peristaltic movements
57
The Genus, Lumbricus, has what kind of reproductive system?
monoecious
58
In the Genus Lumbricus, what filters coelomic fluid from previous anterior segment to remove and excrete nitrogenous waste?
nephridia
59
What are the eating habits of Class Clitellata, Subclass Hirudenia like?
carnivorous or ectoparasitic
60
What penetrates the host's skin in Subclass Hirudenia?
proboscis
61
In Subclass Hirudenia, what do they use for attatchment to hosts?
suckers
62
What is the symmetry of Phylum Arthropoda?
bilateral
63
What kind of body organization does Phylum Arthropoda have?
organ systems
64
What kind of coelom does Phylum Arthropoda have?
coelom, hemolymph- blood in hemocoel
65
What is the exoskeleton of Phylum Arthropoda made of?
chitin
66
What process does Phylum Arthropoda undergo that causes exoskeleton to grow as it sheds and molts?
ecdysis
67
What clade is Phylum Arthropoda considered?
ecdysozoa (protosomes)
68
What is the fusion of body parts called in Phylum Arthropoda and what specifically falls under it?
tagmata- head, thorax, and abdomen
69
What kind of circulatory system does Phylum Arthropoda possess.
open circulatory system
70
What are the 5 important subphyla called under Phylum Arthropoda?
Subphylum Trilobitomorpha, Subphylum Chelicerata, Subphylum Myriapoda, Subphylum Crustacea, and Subphylum Hexapoda
71
What is the most important thing to know about Subphylum trilobitomorpha-trilobites?
they're extinct
72
What are examples of organisms under Subphylum Chelicerata?
horseshoe crabs, sea spiders, scorpions, arachnids
73
What does Subphylum Chelicerate use for grasping and tearing food?
chelicerae
74
What is the fused fused head and thorax called in Subphylum Chelicerate (also called prosoma)?
cephalothorax
75
What is the abdomen called in Subphylum Chelicerate?
opisthosoma
76
What are the names of the two classes under the Subphylum Chelicerate called?
merostomata and arachnida

Biology of Animals Lab (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions