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Science > Kingdom Animalia > Flashcards

Kingdom Animalia Flashcards

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Biology 101 flashcards
0
Q

Invertebrates

A

Animals without backbone, accounts for 95 % of animals

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1
Q

What two categories of animals is kingdom animalia divided into

A

Invertebrates and vertebrates

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2
Q

Vertebrates

A

Animals with backbone

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3
Q

Invertebrates can be grouped based on their …

A

Fossils, body symmetry, patterns of embryo development, ribosomal RNA

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4
Q

What’s body symmetry

A

Arrangement of body parts in which parts that lie on opposite sides of an axis are identical

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5
Q

What are the types of symmetry

A

Assymetrical, bilateral, radial

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6
Q

Asymmetrical , example

A

Do not display symmetry , sponges, coral

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7
Q

Radial, ex

A

Parts are arranged in a circle around axis , sea anemone, starfish

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8
Q

Bilateral, ex, what do they have

A

Two similar halves in either side of a central plane, earthworm, exhibit ceohalization, have a dorsal and ventral, have anterior and posterior

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9
Q

Exhibit cephalization

A

Concentration of senses and nerves in the head (ganglia-simple brain)

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10
Q

Dorsal and ventral

A

Back, front

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11
Q

Anterior and posterior

A

Head, tail

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12
Q

Germ layers

A

Tissue layer in embryo

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13
Q

What germ layers do most animals have, except for what animal, what animals have two layers

A

Ectoderm, mesoderm, endoderm , sponges, cnidarians and ctenophores

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14
Q

Cnidarians and ctenophores have no…

A

Middle layer

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15
Q

What develops from germ layers

A

Organs and tissues

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16
Q

Acoelomates, ex

A

Do not have body cavity, interior of the animal is solid, flatworms

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17
Q

Pseudocoelomates, ex

A

Have a false body cavity, roundworms and rotifers

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18
Q

Coelomates, ex

A

Have a true body cavity lined with mesoderm, mollusks, annelids, arthopods, echinoderms, chordates

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19
Q

Cleavage

A

Development of the mouth

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20
Q

Pro means, stoma means, first opening called the…, develops into the …., and second opening develops into…, ex

A

First, mouth, blastopore, mouth, anus, mollusks, arthopods, annelids

21
Q

Deutero means , stoma means, blastopore becomes , second opening becomes, ex

A

Second, mouth, anus, mouth , echinoderms, chordates (humans part of this)

22
Q

Invertebrates in order from simplest to most complex

A

Porifera, Cnidaria and Ctenophora. Platyhelminthes, rotifera, molluska, Annelida, Nematoda, arthopoda, echinoderms , Chordata

23
Q

Common Porifera name

A

Sponges

24
Q

Characteristics of Porifera

A

Aquatic,
5000 species, 150 freshwater
No true tissues or organs
Asymetrical,
Sessile as adults (don’t move), free swimming larvae
Asexual reproduction by budding or sexual reproduction (most are hermaphrodites producing both egg and sperm)

25
Q

Examples of cnidarians

A

Hydra, jellies, sea anemones, corals

26
Q

Example of Ctenophora

A

Comb jellies

27
Q

What two firms can Cnidaria and ctenophores be in

A

Polyp ( attached to surface), medusa( free floating)

28
Q

What are characteristics of Cnidaria and ctenophores

A

Simple nerve nets, no ganglia
Radial symmetry
Gut (digestive tract) with single opening

29
Q

List each phylum discussed and animals in each group

A

Porifera-sponges
Cnidaria- hydra, jellies, sea anemones, corals
Ctenophora- comb jellies
Platyhelminthes - flatworms (Turbellaria-planarians, Trematoda-flukes, Cestoda-tapeworms)
Rotifera -rotifers
Molluska- mollusks (Gastropoda- snails, land slugs, abalones, nudibranchs (sea slugs), bivalvia-mussels, clams, oysters, scallops, cephalopoda- octopi, squid, cuttlefish, nautilus)

30
Q

Invertebrate

A

Animals without backbone, 95% of animals

31
Q

Vertebrate

A

Animal with backbone

32
Q

Radial vs bilateral symmetry

A

Radial- parts are organized in a circle around an axis

Bilateral- two similar halves on either side of central plane

33
Q

Difference in Acoelomate, Pseudocoelomate , and Coelomate

A
  1. Doesn’t have a body cavity
  2. False body cavity
  3. True body cavity (coelom) lined with mesoderm
34
Q

Cross eyed animal group

A

Planarian

35
Q

What class are tapeworms in

A

Cestoda

36
Q

How do planarians get rid of excess water

A

They have flame cells that get rid if excess water

37
Q

Difference between Protosome and Deutrostome

A

Protosome mouth develops before anus, Deutrostomes blastopore develops into anus before mouth

38
Q

Names for light sensitive organs in flatworms

A

Eyespots or orcelli

39
Q

Difference in polyp form of jellyfish and medusa

A

A polyp is attached to a surface and a medusa is free floating

40
Q

Major characteristics of phylum Cnidaria

A
  1. Can be in polyp or medusa form
  2. Have simple nerve nets (no ganglia)
  3. Radial symmetry
  4. Gut with single opening (digestive tract)
41
Q

Two groups of flatworms that are parasitic and cause human disease

A

Trematoda (flukes), Cestoda (tapeworms)

42
Q

Anterior and posterior

A
  1. Toward head,

2. Toward tail

43
Q

What animals have divided foot and developed head

A

Cephalopods (Cephalopoda )

44
Q

What is the grinding organ in rotifers

A

Mastax

45
Q

Lost the four ways invertebrates are grouped

A

Body symmetry, fossils, patterns of embryonic development, types of body cavities

46
Q

Write common names for : Turbellaria, Trematoda , Cestoda

A

Planarians, flukes, tapeworms

47
Q

What are the two shelled mollusks

A

Bivalvia (mussels, clams, oysters, scallops),

48
Q

What class of mollusks has their mouth in their foot

A

Gastropoda (snails, land slugs, abalons, nudibranchs (sea slugs))

49
Q

Know the diagrams

A

:)

Science (18 decks)

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