Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Biology 2 > Invertebrates 22.1 > Flashcards

Invertebrates 22.1 Flashcards

1
Q

All animals are

A

Multicellular / heterotrophic

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

Multicellular / heterotrophic means they must acquire nutrients from

A

An external source

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

A pattern of similarity that is observed in objects

A

Symmetry

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

Three types of symmetry in animal kingdom

A

Asymmetry
Radialsymmetry
Bilateral

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

No particular body shape (ex sponge)

A

Asymmetry

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

To identical halves (ex jellyfish)

A

Radialsymmetry

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

Definite right and left halves (ex humans)

A

Bilateral Symmetry

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

First embryonic opening becomes the mouth

A

Protostomes

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

Second embryonic opening becomes the mouth (ex butt forms first)

A

Deuterostomes

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

Simplest animal

A

Sponges

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

Lack true tissues

A

Sponge

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

Sac like bodies are perforated by many pores

A

Sponges

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

Beating of flagella produces water currents that flow through pores and through the central cavity and out

A

Osculum

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

Used to eat/pull water in

A

Osculum

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

Sessile filter feeder

A

Sponges

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

Eat microorganisms/they don’t move because food comes to them

A

Sessile filter feeder

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

Tubular animals that most often reside in shallow waters

A

Cnidarians

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

Cnidarians have _______ and _____ body forms

A

Polyp and Medusa

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

Mouth is directed upward

A

Polyp

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

Mouth is directed downward

A

Medusa

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

Specialized stinging cells

A

Cnidocytes

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

Fluid filled capsule (ex jellyfish has this)

A

Nematocyst

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

Two layered body sac

A

Cnidarians

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

Cnidarians bodies are composed of _____

A

Mesoglea (jellylike substance)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Sea Anemones are sessile ______ that live attached to a substrate
Polyp
26
Have upward turned oral discs containing a mouth surrounded by tentacles containing _______
Nematocysts
27
Hydra mouths are also known as ______
Polyp
28
Hydra’s are _______ Cnidarians
Freshwater
29
Like sea anemones encased in calcium carbonate
Corals
30
Live in colonies and build coral reefs
Corals
31
Small tubular poly body about 1 quarter inch in length
Hydra
32
A Hydra’s central cavity is
Gastrovascular Cavity
33
Hydra’s tentacles can respond to
Stimuli
34
Hydra’s can reproduce
Sexually and Asexually
35
Hydra’s have a nerve ____
Net
36
True jellyfishes have their mouths down which is _______
Medusa
37
For jellyfishes, Medusa is ______ stage and polyp remains _____
Primary; small
38
Jellyfishes feed on invertebrates and are food for
Marine animals
39
Jellyfish pull through ______ to eat
Mesoglea
40
Molluscs have _____ part body plan
3
41
The part you eat of a mollusk
Visceral Mass
42
Some molluscs might have a shell which is called the
Mantle
43
May secrete shell and/or contribute to development of gills or lungs
Mantle
44
Muscle adapted for locomotion attachment or food capture
Foot
45
Clams, oysters, mussels, and scallops are called
Bivalves
46
Bivalves have two hinged shells that are closed by powerful
Muscles
47
Bivalves have little cephalization which means they have
Little brains/nerve tissue (stupid)
48
Bivalves have open
Circulatory system
49
Open circulatory system means
All liquids move together
50
Gastropods have _____ solid cell
1
51
Slugs, snails, whelks, conchs, limpets, nudibranchs are all
Gastropods
52
Gastropods have a elongated/flattened
Foot
53
Gastropods mostly have 1 piece _____
Coiled shell
54
Cephalopods means
Brains/head and feet
55
Cephalopods ex
Squid and octopi
56
Cephalopods have tentacles and arms that capture prey by
Adhesive secretions or suckers
57
Cephalopods have _____ which is used to tear prey apart
Beaks
58
Octopuses show capacity for
Learning
59
Annelids have segmented partitions (septa) that divide the well developed fluid filled _____ which acts as a hydrostatic skeleton
Coelom
60
Helps in movement (ex hair/bristles)
Setae
61
Annelids ex
earthworms and leeches
62
Flatworms ex
Planarians (mid), flukes (dangerous feet), tapeworms
63
Behind the head region of flatworms
Scolex
64
Sharp teeth for flatworm
Scolex
65
Long series of proglottids are found in
Scolex
66
If you lose weight
You have a tapeworm 🥺🥺
67
Tapeworms have ______ region with modifications for attachment to intestinal wall of hosts
Anterior
68
Scolex’s like the
Head
69
Proglottids are basically
Body segments
70
Proglottids contain a full set of both male and female
Sex organs
71
What is the only phylum that is alone?
Rotifers
72
Name for crown for Celia representing a rotating wheel
Rotifers
73
Roundworms are
Nasty 😍😍😍
74
Nonsegmented generally colorless worms
Roundworms
75
Trichinella Ascaris Wuchereria Filarial worms
Roundworms
76
Has four groups in its phylum
Arthropods
77
Arthropods have rigid, jointed _____ composed of chitin
Exoskeleton
78
Must molt as they grow
Arthropods
79
Arthropods are segmented but some segments are fused into
Regions
80
Arthropods have
Head, thorax, abdomen
81
Arthropods go into
Metamorphosis
82
Crustaceans ex
Shrimp, lobsters, crayfish, and crabs
83
Crustaceans
10 legs
84
Insects
6 legs
85
Centipedes/millipedes
Lots of kegs
86
Chelicerates
8 legs
87
Chelicerates
Spider
88
Invertebrate deuterostomes
Only echinoderms
89
Sea stars, sea urchins, sea cucumbers, and sand dollars
Echinoderms
90
Take in water and spit out to move
Echinoderms
91
_______ system for locomotion, feeding, gas exchange, and sensory reception
Water vascular
92
Forced echolocation
Sensory reception

Biology 2 (28 decks)

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