Arthropoda

Question 1

habitat

Answer 1

land,freshwater,salt water

Question 2

body type

Answer 2

(increase muscle speed and strength), protection, segmented body, striated muscle, flight, excretory cyst, Malpighian tubules. Low pressure circulatory system.

Question 3

respiratory system

Answer 3

contain trachea, book gill, lung. Spiaclos→ goes in branching network of smaller and smaller tube (looks like a tree)
o Branching tubes, gas exchange takes place (moist, fill with fluids) There are no pumping mechanisms
o Trachae: book lungs, book gills, no pumping mechanism, all done by diffusion

Question 4

Reproduction

Answer 4

internal fertilization, larvae or direct development, larva primary in insect or crustaceans, direct development in spiders, myriapods, contribute to success is size, multiple appendages