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SCI 102 - Biology > Animals > Flashcards

Animals Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Animals are __________, and they ingest living or dead organic matter

A

heterotrophic

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1
Q

Most animals are ________, at least during some life stages

A

Motile

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2
Q

Do most animals reproduce sexually or asexually?

A

Sexually

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3
Q

Offspring pass through a series of _________ that establish a determined body plan (shape)

A

developmental stages

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4
Q

A collection of similar cells with a common embryonic origin

A

Tissue

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5
Q

External and Internal coverings

A

epitheliail

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6
Q

Blood, cartilage & bones, various functions such as transport or structural support

A

Connective

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7
Q

Contracts - locomotion + movements within the body

A

muscle

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8
Q

neutrons for rapid communication and control

A

nervous

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9
Q

Most animals undergo a layering of early tissues during _______

A

embryonic development

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10
Q

germ layer 1

A

diploblastic ectoderm and endoderm

dee

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11
Q

germ layer 2

A

triploblastic ectoderm, mesoderm, and endoderm

teme

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12
Q

in triploblasts, there is a mesoderm-derived, epithelial-lined cavity between

A

the digestive system and the body wall

ds and bw

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13
Q

in triploblasts, the mesoderm-derived, epithelial-lined cavity is usually filled with

A

fluid

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14
Q

in triploblasts, the mesoderm-derived, epithelial-lined cavity houses _________ and contains the __________

A

organs, circulatory system

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15
Q

Acoelomates have no _______ and their mesoderm region is completely filled with _________

A

colem, tissue

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16
Q

pseudocolemates are a body cavity derived partly from both ______ and _______

A

mesoderm and endoderm

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17
Q

Eucoelomates are defined as

A

a true coelom

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18
Q

animals may be __________, __________, or _________

A

asymmetrical, radial, or bilateral

arb

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19
Q

Bilaterally symmetrical, triploblastic eucoelomates can be divided into two groups based on differences in their early embryonic development

A

protostomes and deuterostomes

PD

20
Q

Animal evolution began in the ocean over ________ years ago

A

600 million

21
Q

there are more than ________ species of animals but there may be as many as _________

A

1.4, 6.8

22
Q

______% of animal species are _________

A

95, invertabrates

23
Q

informal group of animals without backbones

A

invertebrates

24
Q

________ appear to represent an early stage of multicellularity in the animal clade

A

sponges

25
Q

colonial, flagellated, protists

A

porifera

26
Q

are porifera symmetric or asymmetric?

A

asymmetric

27
Q

porifera have ___________ for particular functions, and ___________

A

specialized cells, no tissues

28
Q

Porifera are _______ and most are ________

A

aquatic, marine

am

29
Q

___________ is the largest phylum in the animal words in terms of numbers and species

A

Arthropoda

30
Q

what are protostomic eucolomates with a hemocoel

A

arthropoda

31
Q

arthropoda account for _______% of known species

A

85

32
Q

arthropoda have functional _________ and ___________

A

body segmentation, jointed appendages

33
Q

fused ________ may form a head, thorax, abdomen, or a cephalothorax, and abdomen, or a head and trunk

A

segments

34
Q

Trilobitomorpha

A

Trilobites and extinct

35
Q

Horseshoe crabs, arachnids, scorpions, and daddy longlegs

A

Chelicerata

36
Q

Crabs, lobsters, crayfish, isopods, barnacles, and some
zooplankton

A

Crustacea

37
Q

millipedes, centipedes, and relatives

A

Myriapoda

38
Q

Insects and relatives

A

Hexapoda

39
Q

Hexapoda have _______ legs (_____ pairs)

A

6 , 3

40
Q

The _______’s body segments are fused into

  1. head with mouth, eyes & antennae
  2. thorax with legs and wings (if present)
  3. abdomen with anus
A

hexapoda

41
Q

Hexpoda do gas exchange via _______ that goes to the outside through _______

A

tracheae, spiracles

42
Q

Dragonflies and Damselfies

A

The Odnata

43
Q

_______ were some of the first winged insects to evolve

A

Odonata

44
Q

there are ________ known species of dragonflies

A

5000+

45
Q

the aquatic larval stage of Odanta can last up to ________

A

two years

46
Q

_________prey on tadpoles, mosquitos, fish other insect larvae, and even each other

A

nypmhs

47
Q

adult Odanta catch insect prey with their ______, efficient hunters catch ______

A

feet, 90-95%

48
Q

a single dragonfly can eat ________ of mosquitos/day

A

30 to hundreds

SCI 102 - Biology (8 decks)

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