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Biology > Chapter 26 > Flashcards

Chapter 26 Flashcards

(54 cards)

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0
Q

Hollow ball of cells that fold in on oneself

A

Blastula

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1
Q

Tissues that are unique to animals

A

Nervous and muscle

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2
Q

Early development in animals

A

Zygote -> blastula -> blastopore -> deuterostome or protostome

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3
Q

Mouth forms form blastopore

A

Protostome

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4
Q

Anus forms from blastopore

A

Deuterostome

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5
Q

What does the endoderm become

A

Digestive track

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6
Q

What does the ectoderm become?

A

Sensory organs, nerves, and skin

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7
Q

What does the mesoderm become?

A

Muscles, circulatory, and excretory systems

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8
Q

Only animal without symmetry

A

Sponges

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9
Q

Animal example of radial symmetry

A

Sea anemone

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10
Q

Anterior

A

Front

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11
Q

Posterior

A

Back

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12
Q

Dorsal

A

Top

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13
Q

Ventral

A

Bottom

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14
Q

Concentration of sense organs and nerve cells at the front of the body

A

Cephalization

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15
Q

A fluid filled space that lies between the digestive tract and the body wall

A

Body cavity

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16
Q

What does the body cavity protect?

A

Organs

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17
Q

Sponge phylum

A

Porifera

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18
Q

Meaning of the word Porifera

A

Pore bearers (gas exchange)

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19
Q

Sessile (definition)

A

Stationary

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20
Q

Sponge symmetry

A

Asymmetrical

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21
Q

Used to circulate water along with flagella (specialized cell) (sponges)

22
Q

Opening at the top of the sponge

23
Q

Spike shaped structure made of calcium carbonate (sponges)

24
Forms spicule (sponges)
Archaeocytes
25
Use of archaeocytes (sponges)
Intracellularly digest food
26
Respiration, circulation, and excretion in sponges
Diffusion
27
Response in sponges
Toxins
28
Gender of sponges
Hermaphrodites
29
Groups of archaeocytes surrounded by a layer of spicules (asexual reproduction)
Gemmules
30
Why are cnidarians called "true animals"?
They have tissues and symmetry
31
Specialized cells that move around within the cells (Porifera)
Archaeocytes
32
Soft body carnivore with stinging cells on tentacles
Cnidarian
33
Stinging filled cells on tentacles
Cnidocytes
34
Poison filled stinging structure with a tightly coiled dart
Nematocysts
35
Symmetry of cnidarians
Radial symmetry (central mouth surrounded by tentacles)
36
Life cycle stages of cnidarians
Polyp -> Medusa
37
Important structure found on cnidarians
Gastrovascular cavity
38
3 types of tissue in the gastrovascular cavity
1. Gastroderm 2. Epidermis 3. Mesoglea
39
Outer layer (cnidarians)
Epidermis
40
Inner lining (cnidarians)
Gastroderm
41
Middle layer (cnidarians)
Mesoderm
42
2 feeding structures in cnidarians
Tentacles and gastrovascular cavity
43
Respiration, Circulation, and Excretion in Cnidarians
Diffusion
44
Digestive chamber with one opening
Gastrovascular cavity
45
Loosely organized network of cells that are going to detect stimuli around them (cnidarians)
Nerve net
46
Groups of sensory cells that are used to detect direction of gravity
Statocysts
47
Eyespots used to detect light (Cnidarian)
Ocelli
48
Layer of circular muscles and a layer of longitudinal muscles along with the gastrovascular cavity allows for jet propulsion
Hydrostatic skeleton
49
Asexual reproduction in Cnidarians
Budding- polyps
50
Sexual reproduction process of Cnidarians
Sperm released into water -> fertilized egg develops into larva -> larva develops into a polyp -> polyps bud to form medusas which release gametes
51
Jellyfish class
Scyphozoa
52
Portuguese man of war class
Hydrozoa
53
Sea anemone and coral class
Anthozoa

Biology (9 decks)

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