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Bio 2 > Animals > Flashcards

Animals Flashcards

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Biology 101 flashcards
1
Q

Identify the traits that are exclusive to only the Eumetazoans

A
  • Body symmetry
  • Motility
  • Internal digestion and a digestive tract
  • Min of 2 germ layers during embryological development
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2
Q

Motile adult life phase that typically allows for sexual production of gametes

A

Medusa

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3
Q

Motile larval phase

A

Planula

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4
Q

Sessile adult life phase that typically uses asexual budding as a method for reproduction

A

Polyp

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5
Q

Cells that transport nutrition throughout the body of the sponge

A

Amoebocytes

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6
Q

Cells that secrete either silica or calcium carbonate and form the structural support for the sponge

A

spicules

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7
Q

The anterior hole at the top of the body where water exits the sponge

A

Osculum

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8
Q

Cells that form holes allowing water to flow into the body of the sponge

A

Porocytes

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9
Q

Flagellated cells that propel water through the sponge and capture food particles

A

Choanocytes

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10
Q

The empty center of the sponge where the water flows through before exiting out the hole at the top

A

Spongocoel

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11
Q

Scientific Classification A : Hydrozoa

Common Name A: ____

A

Hydra

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12
Q

Scientific Classification B: Anthozoa

Common Name B :

A

Sea Anemone

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13
Q

Scientific Classification C: Scyphozoa

Common Name C:

A

Jelly Fish

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14
Q

Scientific Classification D: Ctenophora

Common Name D :

A

Comb Jelly

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15
Q

Identify which of the following traits are possessed by members of Phylum Ctenophora

A
  • Diploblasta
  • Radial symmetry
  • Complete digestive tract with a separate mouth and anus
  • Ctenophores use sticky tentacles to capture prey
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16
Q

Germ tissue that forms predominantly muscle tissue and connective tissue and includes:
the muscle, bones, cartilage, connective tissue, adipose tissue, circulatory vessels and blood the lymphatic system, the dermis the genitourinary tract the serous membranes and the notocord.

A

Mesoderm germ tissue

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17
Q

Germ tissue that forms the external linings:
skin, hair , nails, lens of the eyes, sebaceous glands, the cornea, tooth enamel and the epithelium of the mouth and nose

A

Ectoderm germ tissue

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18
Q

Germ tissue that forms internal lining and some internal organs :
stomach , colon, liver, pancreas , bladder, the epithelial parts of the trachea, lings , pharynx, thyroid and parathyroid

A

Endoderm germ tissue

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19
Q

A type of anatomical tissue composed of myosin and actin proteins

A

Muscle tissue

20
Q

Structural tissue accompanied by an extracellular matrix

A

Connective tissue

21
Q

Tightly knit cells held together with tight junctions that form barriers

A

Epithelial tissue

22
Q

Tissue that generates and conducts electrical impulses

A

Nervous tissue

23
Q

Although they have a lophophore, they lack the trochophore life phase, and are therefore considered an outgroup to the Lophotrochzoans

A

Arrow worms

24
Q

Although they live in multi-cellular colonies these organisms are still classified as single celled protists and are considered the outgroup to the entire Kingdom Animalia

A

Choanoflagellates

25
Q

Although they have an exoskeleton, it is not nearly as well developed as the rest of the Arthropods; They have legs but lack jointed appendages

A

Tardigrades

26
Q

Although they have a skull and teeth they do not have vertebral column so they are considered the outgroup to the vertebrate animals

A

Hagfish

27
Q

Fish soft bodied invertebrate animals appear including comb jellies and sponges

A

Early Ediacaran Period

28
Q

Ice ages and the origin of the genus Homo

A

Pleistocene epoch

29
Q

The age of fishes; First terrestrial tetrapods evolve

A

Devonian period

30
Q

The age of reptiles ; Mammals evolve

A

Mesozoic era

31
Q

An explosive adaptive radiation give rise to all major early animal phyla

A

Cambrian period

32
Q

Following the KT Extinction, mammals and birds rise to dominance

A

Cenozoic era

33
Q

Invertebrate animals begin their colonization of land

A

Ordovician period

34
Q

The age of Amphibians; Reptiles evolve

A

Carboniferous period

35
Q

All unifying traits seen in all Eumetazoans

A
  • Animals are Eukaryotes
  • Animals have HOX genes
  • motile
    capable of sexual repro (also asexual)
  • have internal digestion
36
Q

radial symmetry

A

diploblast

37
Q

radial cleavage

A

triploblast deuterostome

38
Q

combined mouth and anus attached to a gastrovascular cavity

A

diploblast

39
Q

blastopore becomes the mouth during gastrulation

A

triploblast protostome

40
Q

2 layers of germ tissue

A

Diploblast

41
Q

Anus forms from the blastopore during gastrulation

A

Triploblast Deuterostome

42
Q

Colonial mutlicellularity

A

parazoan

43
Q

All true ceolomates

A

triploblast deuterostome

44
Q

spiral cleavage

A

triploblast protostome

45
Q

no digestive tract or tissues

A

Parazoan

Bio 2 (11 decks)

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