1 / 2

Lecture 5 Animal Evolution – The Invertebrates

Lecture 5 Animal Evolution – The Invertebrates. Their body plans. Divided into forebody & hindbody . Forebody appendages : four pair of legs, pair of pedipalps with sensory roles & a pair of chelicerate that wound/ put venom into prey. Hindbody appendages :

geoff
Télécharger la présentation

Lecture 5 Animal Evolution – The Invertebrates

An Image/Link below is provided (as is) to download presentation 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. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Lecture 5Animal Evolution – The Invertebrates

  2. Their body plans • Divided into forebody & hindbody. • Forebody appendages: • four pair of legs, pair of pedipalps with sensory roles & a pair of chelicerate that wound/ put venom into prey. • Hindbody appendages: • spin out silk threads for webs and egg cases. • Open circulatory system-blood pumped into tissues, blood received through small openings in its wall. • Have Malphigian tubules

More Related