DENDROLOGY

DENDROLOGY AND SOCIETY

PLANT CLASSIFICATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A spider is classified as an ____
A
vertebrate
B
invertebrate
C
angiosperm
D
non-vascular plant
Explanation: 

Detailed explanation-1: -Being invertebrates, spiders have an exoskeleton comprised of a cuticle made of chitin. Their bodies are made up of two main parts; the cephalothorax and abdomen. Most spiders have eight eyes and their special mouthparts, called chelicerae, that are specialised with venom-injecting fangs.

Detailed explanation-2: -Classification of spiders. Phylum-Arthropoda. Class-Arachnida. Order-Araenae. Suborder Mesothelae-segmented spiders.

Detailed explanation-3: -Its body lacks an endoskeleton and has an exoskeleton made up of chitin. In spiders vertebral column or notochord is absent, so it is included in invertebrates.

There is 1 question to complete.