Organ Systems in Animals

Question 1

functions of animals (5)

Answer 1

reproduction and development
regulation and maintenance
communication and integration
support and movement
defense

Question 2

Number of organ systems in a:
- insect
- vertebrate

Answer 2

• 7
• 11

Question 3

Scientific term for BODY CAVITY in

Answer 3

coelom

Question 4

2 types of body cavity in vertebrates

Answer 4

dorsal (back)
ventral (belly)

Question 5

VERTEBRATES

dorsal body cavity is enclosed within? (2)

Answer 5

the skull
vertebrae (spinal cord)

Question 6

VERTEBRATES

ventral body cavity is enclosed by? (2)

Answer 6

the rib cage
lower abdominal muscles

Question 7

what divided the ventral body cavity into two parts

Answer 7

diaphragm

Question 8

2 parts of ventral body cavity

Answer 8

1. thoracic cavity (heart and lungs)
2. peritoneal cavity (abdominal organs: stomach, intestines, livers, kidneys)

Question 9

cavity around the heart and the lungs

Answer 9

pericardial cavity

pleural cavity

Question 10

most common species representation for invertebrates

and why

Answer 10

cockroach

availability
ease of use as a model

Question 11

what do invertebrates lack

but what do they specially have

Answer 11

endoskeleton

waxy exoskeleton made of CHITIN

Question 12

SIGNIFICANCE of exoskeleton in insects (2)

Answer 12

mechanical injury
prevents excessive water loss

Question 13

COCKROACHES

scientific name
Phylum
Class
Order
Family

Answer 13

Periplaneta americana

Arthropoda

Insecta

Blattodea

Blattidae

Question 14

3 body regions of cockroaches

Answer 14

head
thorax
abdomen

Question 15

most common species representation for vertebrates

Answer 15

toad

Question 16

MAIRNE TOAD

scientific name
Phylum
Class
Order
Family

Answer 16

Rhinella marina

Chordata

Amphibia

Anura

Bufonidae

Question 17

2 body regions of a toad

Answer 17

head and trunk

Question 18

what glands of toads secrete venom

Answer 18

parotid glands

Question 19

Dissection vs Vivisection

Answer 19

D: dead animals

V: living animals

Question 20

ANTERIOR vs POSTERIOR

Answer 20

anterior (taas)
posterior (baba)

Question 21

TOADS vs FROGS

Answer 21

toads have bumpy skin due to wart-like irregularities

Question 22

basic equipment for dissection (6)

Answer 22

1. scalpel
2. forceps
3. dissecting scissors
4. blunt probe
5. pins
6. dissecting pan

Question 23

Do all invertebrates lack a backbone?

Answer 23

NO (scorpions have exoskeleton)