Animal Diversity 1

Question 1

Heterotrophic means

Answer 1

Consume other organisms

Question 2

3 main characteristics of animal cells

Answer 2

Eukaryotic cells

Multicellularity

No cell wall

Question 3

Derived trait of animal cells

Answer 3

Extra cellular matrix

Question 4

What is Extracellular matrix

Answer 4

Protein around cells

Structural support

Question 5

2 types of tissues unique to animals

Answer 5

Muscle tissue

Nerve tissue

Question 6

How does reproduction occur

Answer 6

Sexually

Diploid dominant

Fertilization then mitosis

Question 7

Homeobox (HOX) genes

Answer 7

Regulate development of body structures

Question 8

What does the process of cleavage mean

Answer 8

Rapid mitotic division without cell growth

Question 9

Bastulation

Answer 9

Migration of cells to form a BASTULA

Question 10

SEQ animal development

Answer 10

Cleavage - > blastulation -> (makes bastula) -> gastrulation -> (makes gastula)

Question 11

What is gastrulation

Answer 11

Inward folding of blastula

Question 12

gastrula is a…

Answer 12

Germ cell layer

Question 13

The 3 germ cell layers

Answer 13

Ectoderm

Endoderm

Mesoderm

Question 14

ECTODERM

Answer 14

outer germ layer

Question 15

Ectoderm forms

Answer 15

Skin and nervous tissue

Question 16

Endoderm

Answer 16

Inner layer

Question 17

Endoderm forms

Answer 17

lining of the gut

Question 18

Archenteron

Answer 18

Gut cavity

Question 19

Types of symmetry

Answer 19

Radial

Bilateral

Question 20

Radial symmetry

Answer 20

Symmetry around a central axis

Question 21

Bilateral symmetry

Answer 21

Only one plane of symmetry along the longitudinal axis

Question 22

Cephilization

Answer 22

Development of head

Question 23

Dorsal/ventral

Answer 23

Up/down

Question 24

Anterior/posterior

Answer 24

Front/back

Question 25

Diploplast

Answer 25

2 germ layers (ectoderm & endoderm)

Question 26

Triploblast

Answer 26

3 germ layers (ectoderm, mesoderm, endoderm)

Question 27

mesoderm forms

Answer 27

muscles circulatory system organs

Question 28

Coelom

Answer 28

Fluid filled cavity between the body wall and digestive tube

Question 29

True coelum

Answer 29

Body cavity fully lined with mesoderm

Question 30

Pseudocoelum

Answer 30

Body cavity partially lined with mesoderm

Question 31

Acoelom

Answer 31

No body cavity

Question 32

Protostomes cleavage pattern

Answer 32

Spiral cleavage Determinant

Question 33

Blastophore of protostone

Answer 33

Mouth develops

Question 34

Coelum in protostones

Answer 34

Forms masses from mesoderm

Question 35

Protostone development is…

Answer 35

Ancestral

Question 36

Deuterostone development is…

Answer 36

Derived

Question 37

Deuterostone cleavage pattern

Answer 37

Radial, intermediate

Question 38

Deuterostone blastophore

Answer 38

Anus forms first (then the mouth)

Question 39

Deuterostone coelum

Answer 39

Forms from archenteron

Question 40

Where does animal evolution start

Answer 40

Cambrian Explosion

Question 41

Significance of Cambrian Explosion

Answer 41

1st evidence of hard body parts Rapid increase of biodiversity