Test 6- Arthropods

Question 1

Arthro means ___

Answer 1

Joint

Question 2

Poda means

Answer 2

Foot

Question 3

__% of all animals are arthropods

And ___% of those are insects

Answer 3

80%, 76%

Question 4

____ are the most abundant

Answer 4

Beetles

Question 5

What kind of symmetry does arthropods have *2

Answer 5

Coelomate and bilateral symmetry

Question 6

Arthropods have _____ appendages

Answer 6

Jointed appendages

Question 7

The exoskeleton of ____ is secreted by the epidermis

Answer 7

Chitin, epidermis

Question 8

Name the 3 body regions

Answer 8

Head, thorax, abdomen

Question 9

How do arthropods respire

*4

Answer 9

Body surface, gills, trachea or book lungs

Question 10

What kind of circulatory system do arthropods have

Answer 10

Open

Question 11

What organs and system are well developed ?

*2

Answer 11

Sensory organs and nervous system

Question 12

Give examples of sensory organs *3

Answer 12

Compound eye
Trympanum (drum like ear)
Antenna (touch, smell and chemical reception)

Question 13

They have complete ____ systems with _____ , ______ and ____

Answer 13

Digestive ,

Mouth, specialized organs, and anus

Question 14

Dioecious means

Answer 14

Having male and female reproductive organs in separate individuals

Question 15

Dioecious: fertilization is usually ____

Answer 15

Internal

Question 16

Arthropods have nervous system with ____ Brain connected by a ring and double _____ nerve cords

Answer 16

Dorsal Brain, double ventral nerve cords

Question 17

Arthropods are found in ____, ____ ____ and _____

Answer 17

Marine, freshwater , terrestrial and Ariel environment

Question 18

Class insecta have an exoskeleton made outta ___

Answer 18

Chitin

Question 19

Chitin is _____

Answer 19

Very strong

Question 20

Class insecta have a head segmented with ___#

_____ and _____

Answer 20

6 sensory antennae and compound eyes

Question 21

Class insecta have a thorax with attached _____ legs and possibly ____

Answer 21

Segmented legs and possibly wings

Question 22

Class insecta have an abdomen with ______ #which houses most of the _____, _____, ______ and ___ systems

Answer 22

11 segments

Digestive, respiratory, execretory and reproductive systems

Question 23

Class insecta respire they a system of ______ tube and _____ that life directly next to the ____ system

Answer 23

Internal tube , sacs , circulatory system

Question 24

Class insecta circulatory system don’t need _____ vessels

Answer 24

Closed vessels

Question 25

Class insecta most insects hatch from ____ formed by ____

Answer 25

Eggs, sexual reproduction

Question 26

Class insecta insects___ as they grow in size (metamorphis)

Answer 26

Molt

Question 27

In class malcostraca the head and thorax are often infused into ____

Answer 27

Cephalothorax

Question 28

Cephalothorax is the _____

Answer 28

Brain

Question 29

In class malacostraca the head includes #___ segments with ___, ___ and mouth parts with appendages called ____

Answer 29

6

Antennae, mouthparts, attenules

Maxilipeds

Question 30

In class malacostraca they have #___, _____ segments

Answer 30

8 thoracic

Question 31

In class malacostraca

In carapace the _____ is almost completely covered

Answer 31

Cephalothorax

Question 32

In class malacostraca they have __# ____ segments often used for swimming

Answer 32

6 abdominal

Question 33

___ eyes allow crusteans to pull them in for protection or see in many directions

Answer 33

Stalked eyes

Question 34

In class malacostraca

Eyes are either ____ ____ or _____

Answer 34

Compound stalked or sessile

Question 35

In class malacostraca
The have #\_\_\_\_ pairs of walking legs with some modified \_\_\_\_

Answer 35

5, pinchers

Question 36

In class malacostraca
They have \_\_\_\_ Chambered \_\_\_\_

Answer 36

2, stomach

Question 37

In class malacostraca they have a ____ nervous system

Answer 37

Centralized

Question 38

Ecological roles of a thrips is include

*5

Answer 38

• Pollination
• Production of honey, wax and silk
• Recycle biological materials to aid in producing top soil
• part of food chain
• form symbiotic relationships w other organisms

Question 39

Provide and example of symbiotic realationship

___ and __
Now explain

Answer 39

Burrowing shrimp and goby fish

Shrimp is blind and digs a burrow
Goby fish touches shrimp when danger approaches

Question 40

Coelomate is a ___

Answer 40

Body cavity