#1.) Describe the pathway taken by the blood as it circulates through an Arthropods body.
A: Arthropod blood is pumped by a heart in an open circulatory system with vessels that carry blood away from the heart. The blood flows out of the vessels, bathes the tissues of the body and returns to the heart through open body spaces.
#2.) Describe 2 features that are common to arthropods.
A: A typical arthropod is a segmented, coelomate invertibrate with bilateral symmetry an exoskeleton and jointed appendages.
#3.) What are the advantages and disadvantages to an exoskeleton?
A: Exoskeleton protects the body. Made of Chitin and Protein it supports internal structures and attaches to muscles. However, the exoskeleton is quite heavy. The weight of the exoskeleton limits the size of the arthropods. Exoskeletons cannot grow and must be shed. During molting arthropods are generally vulnerable with thier soft exoskeleton.
#4.)How are compound eyes an adaption to the way of life of some arthropods?
A: A compound eye is a visual structure with many lenses made of thousands of parts enableing flying arthropods to analize fast changing landscapes during flight detecting predators and prey.
#5.) What characteristics of arthropods might explain why they are the most succesfull animals in terms of population sizes and numbers if species?
A: Reproductive diversity, well developed nervous systems, complex body systems, exoskeleton, acute senses and efficient gas exchange.
I hope it was okay that I did my missing assignment as a blog, It was just easier for me to get it done this way.
-N
