Insects (Phylum Arthropoda; Sub-Phylum Uniramia). Evolved over 300 million years ago Most successful group of animals (700,000 to 10 million species). Diversity (species and variety) Numbers (population size) Success due in part to enormous range of variation Structural (morphological)
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
(Phylum Arthropoda; Sub-Phylum Uniramia)
Food -> mouth -> esophagus -> crop (storage) -> gizzard (chitinous plates shred it) -> stomach (mid gut) (mixes with gastric enzymes from ceca and absorbed) -> hind gut (colon and rectum) -> anus
Brain hormone stimulates release of molting hormone (effect depends on level of juvenile hormone)
Batesian mimicry- nonpoisonous or nondangerous species having similar pattern or color to a poisonous or dangerous unrelated species
3rd stage - gather nector and pollen; legs modified with special structures to collect pollen; ovipositor modified for defense (stinger)
Drones (haploid (n) males) develop from unfertilized eggs; sole function to deliver sperm to queen; must be feed by workers