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Bio Gr 11 - Diversity > Invertebrates > Flashcards

Invertebrates Flashcards

1
Q

What phylum includes sponges?

A

Porifera

Includes sponges.

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2
Q

What type of symmetry do Porifera exhibit?

A

Asymmetrical.

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3
Q

Do Porifera have true tissues and organs?

A

No, they lack true tissue and organs.

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4
Q

How does water enter the spongocoel in Porifera?

A

Water enters through donut-shaped cells called porocytes.

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5
Q

What cells line the spongocoel and ingest food in Porifera?

A

Flagellated cells called choanocytes.

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6
Q

What is the function of the osculum in Porifera?

A

Water leaves the cavity through the osculum.

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7
Q

In what type of environments are Porifera found?

A

All are aquatic, mostly in marine water, with some in freshwater.

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8
Q

What phylum includes hydrozoans, scyphozoans, cubozoans, and anthozoans?

A

Cnidaria

Includes hydrozoans (I.e hydras), scyphozoans (I.e jellyfish), cubozoans (I.e box jellyfish), and anthozoans (I.e coral).

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9
Q

What type of symmetry do Cnidaria exhibit?

A

Radially symmetrical.

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10
Q

What type of tissues do Cnidaria possess?

A

Diploblastic and have true tissues.

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11
Q

What are the three layers of Cnidaria?

A

Epidermis, jelly-like mesoglea, and gastrodermis.

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12
Q

What specialized cells do Cnidaria have for defense?

A

Cnidocytes possess stinging structures called cnidea.

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13
Q

What type of cavity do Cnidaria possess?

A

A gastrovascular cavity.

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14
Q

What are the two body forms of Cnidaria?

A

Sessile polyps and floating medusae.

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15
Q

In what type of environments are Cnidaria found?

A

All are aquatic, with few in freshwater and most in marine environments.

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16
Q

What phylum includes flatworms?

A

Platyhelminthes

Includes both free-living and parasitic flatworms.

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17
Q

What type of symmetry do Platyhelminthes exhibit?

A

Bilaterally symmetrical.

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18
Q

What type of tissues do Platyhelminthes possess?

A

Triploblastic and possess true tissues.

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19
Q

Do Platyhelminthes have a coelom?

A

No, they lack a coelom.

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20
Q

What development pattern do Platyhelminthes follow?

A

Protostome development pattern.

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21
Q

What is a characteristic shape of Platyhelminthes?

A

Dorsoventrally flattened.

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22
Q

What type of cavity do most Platyhelminthes possess?

A

Most possess a gastrovascular cavity.

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23
Q

Where can Platyhelminthes be found?

A

In different environments: freshwater, marine, terrestrial, as parasites.

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24
Q

What phylum includes snails, clams, and squid?

A

Mollusca

Includes gastropods (I.e snails), bivalves (I.e clams), and cephalopods (I.e squid).

25
What type of symmetry do Mollusca exhibit?
Bilaterally symmetrical.
26
What type of tissues do Mollusca possess?
Triploblastic and have true tissues.
27
Do Mollusca have a coelom?
Yes, they possess a coelom.
28
What development pattern do Mollusca follow?
Protostome development pattern.
29
What are the three main parts of a Mollusca's body?
A muscular foot, a visceral mass, and a mantle.
30
What type of circulatory system do gastropods and bivalves have?
An open circulatory system.
31
What type of circulatory system do cephalopods have?
A closed circulatory system.
32
What phylum includes earthworms, Christmas tree worms, and leeches?
Annelida ## Footnote Includes oligochaetes (I.e Earthworms), polychaetes (I.e Christmas tree worms), and hirudineans (I.e Leeches).
33
What type of symmetry do Annelida exhibit?
Bilaterally symmetrical.
34
What type of tissues do Annelida possess?
Triploblastic and have true tissues.
35
Do Annelida have a coelom?
Yes, they possess a coelom.
36
What development pattern do Annelida follow?
Protostome development pattern.
37
What is a characteristic feature of Annelida?
Segmented body.
38
What type of circulatory system do Annelida have?
Closed circulatory system.
39
In what type of environments are Annelida found?
In different environments: freshwater, marine, terrestrial, as parasites.
40
What phylum includes spiders, centipedes, insects, and shrimp?
Arthropoda ## Footnote Includes cheliceriformes (I.e Spiders), myriapods (I.e Centipedes), hexapods (I.e Insects), and crustaceans (I.e Shrimp).
41
What type of symmetry do Arthropoda exhibit?
Bilaterally symmetrical.
42
What type of tissues do Arthropoda possess?
Triploblastic and possess true tissues.
43
Do Arthropoda have a coelom?
Yes, they possess a coelom.
44
What development pattern do Arthropoda follow?
Protostome development pattern.
45
What is a characteristic feature of Arthropoda?
Segmented body.
46
What do Arthropoda have that is specialized for different functions?
Jointed appendages.
47
What is the composition of the exoskeleton in Arthropoda?
Made of protein and the carbohydrate chitin.
48
What type of circulatory system do Arthropoda have?
Open circulatory system.
49
In what type of environments are Arthropoda found?
In different environments: freshwater, marine, terrestrial, as parasites.
50
What phylum includes sea stars, sea urchins, and sea cucumbers?
Echinodermata ## Footnote Includes sea stars, sea urchins, and sea cucumbers.
51
What type of symmetry do adult Echinodermata exhibit?
Radially symmetrical.
52
What type of symmetry do larval Echinodermata exhibit?
Bilaterally symmetrical.
53
What type of tissues do Echinodermata possess?
Triploblastic and have true tissue.
54
Do Echinodermata have a coelom?
Yes, they possess a coelom.
55
What development pattern do Echinodermata follow?
Deuterostome development pattern.
56
What is the composition of the endoskeleton in Echinodermata?
Made of calcium carbonate known as ossicles.
57
What system do Echinodermata possess for locomotion and feeding?
A water vascular system.
58
In what type of environments are Echinodermata found?
All aquatic and only in marine environments.

Bio Gr 11 - Diversity (6 decks)

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