Chapters 32-35,43

Question 1

What type of cleavage do protostomes exhibit

Answer 1

Spiral cleavage

Question 2

Characteristics of animals

Answer 2

multicellularity
eukaryotic cells
specialized tissues
sexual reproduction
A Blastula Stage of Development
Motility
Heterotrophy
Advanced Nervous systems

Question 3

What type of cells in sponges that drive water through body cavity

Answer 3

Choanocytes

Question 4

Where tapeworms live in vertebrates

Answer 4

the intestine

Question 5

What causes Schistosomiasis

Answer 5

Parasitic worms- Fertilized eggs must break through the wall of the blood vessels in intestine or the urinary
bladder to get out

Question 6

Name for repeating segments in tapeworms

Answer 6

Proglottids

Question 7

What cause trichinosis

Answer 7

Hookworms-caused by eating raw or undercooked pork and wild game infected with the larvae of a parasitic worm

Question 8

What group the ‘wheel animals’ belong to

Answer 8

Corona

Question 9

What animals in phylum porifera lack

Answer 9

lack tissues and a definite symmetry

Question 10

Examples of mollusks

Answer 10

clams, octupuses,slugs,snails,

Question 11

What removes nitrogenous waste in mollusks

Answer 11

nephridia

Question 12

What bristles of chitin in annelids are

Answer 12

chaetae

Question 13

How reproduction in earthworms works

Answer 13

Earthworms are simultaneous hermaphrodites, meaning worms have both male and female reproductive organs. During sexual intercourse among earthworms, both sets of sex organs are used by both worms. If all goes well, the eggs of both of the mates become fertilized.

Question 14

Name for the combination of head and thorax in some arthropods

Answer 14

cephalothorax or prosoma

Question 15

Individual visual units in compound eyes

Answer 15

ommatidia

Question 16

How air passage into trachea is controlled in arthropods

Answer 16

tracheae branches into tracheoles in direct contact with cells, is connected to the exterior by spiracles

Question 17

What ecdysis is

Answer 17

molting of the exoskeleton

Question 18

The name for the hard plate that covers the gills of fish

Answer 18

operculum (gill cover)

Question 19

Define Ectothermic

Answer 19

Obtain heat from external sources

Regulate body temperature by moving in and out of sunlight

Question 20

Define poikilothermic

Answer 20

an organism whose internal temperature varies considerably

Question 21

Define endothermic

Answer 21

Maintain a relatively constant body temperature independent of the environmental temperature

Question 22

Characteristics of vertebrates

Answer 22

nerve cord, notochord, pharyngeal slits, postanal tail

Question 23

What amphibians evolved from

Answer 23

lobe-finned fish

Question 24

Why amphibians can’t completely live on dry land

Answer 24

reproduction still in water to prevent egg from drying

Question 25

The most successful terrestrial vertebrates

Answer 25

Aves

Question 26

The earliest human whose name means ‘handy man’

Answer 26

homo habilis

Question 27

Who replaced the Neanderthals

Answer 27

Cro-magnons

Question 28

Hominid with the longest fossil record

Answer 28

S. tchadensis

Question 29

What makes up loose connective tissue

Answer 29

adipose cells

Question 30

Four tissue types in vertebrates

Answer 30

muscular connective epithelial nervous

Question 31

Name for living bone cells

Answer 31

osteocyte

Question 32

What the ‘germ layers’ are

Answer 32

endoderm mesoderm ectoderm

Question 33

How to name epithelial tissue

Answer 33

classified based on the number of cell layers and cell shape (1st name of tissue indicates number of cell layers, 2nd name of tissue describes shape of cells)

Question 34

Which muscle tissues are striated

Answer 34

skeletal and cardiac