Chapter 26.1, Problem 1NV

Summary Introduction

To fill:

The correct term in given blanks.

Answer to Problem 1NV

The given blank can be filled as follows:

Blank	Term
1	Cephalothorax
2	Spiracle
3	Tracheal tube
4	Abdomen
5	Malpighian tubule
6	Book lung
7	Molting
8	Thorax
9	Appendages
10	Mandible
11	Pheromones

Explanation of Solution

Cephaalothorax is a condition, in which the thoraax region and the head is fused together.

Spiracle is a common opening of trachea or book lungs that is connected to the external environment.

Tracheal tube branches into smaller tube that carry oxygen to the body.

Abdomen is a segment that contains digestive system, excretory system and reproductive structures.

Malpighian tubules are the excretory structure of most of the arthropods.

Book lung is a saclike structure that work as a site for respiration.

Molting is the process of shedding of exoskeleton by arthropods.

Thorax is the middle body region that composed of three fused segments in arthropods where legs and wings are attached.

Appendages are the structures that grows out of the body.

Mandible is the jaw that is adapted for chewing.

Pheromones are the chemicals secreted by an animal that regulate behaviour of another members of same species.