Posted:
November 01, 2019
Under:
Beasts
By
KHO
These are animals which at some stage in their life-cycle having had a notochord or spinal column, gill-slits, and post-anal tail. It includes humans and other vertebrates. There are 14 classes, often in three subphyla: Subphylum Cephalochordata1 — Lancelets Class Leptocardii — Lancelets Subphylum Tunicata1 — Tunicates Class Appendicularia — Pelagic Tunicates Class Ascidiacea — Sea … Continue reading "Phylum Chordata"
Read More
Posted:
October 12, 2019
Under:
Class Aves
By
KHO
A comparison of different world lists I wanted to organise my bird photos and thought I would separate them into their families. With this in mind, I went to the British Trust for Ornithology (BTO) website for a list of bird families. According to BTO, there are 9,845 living species of birds in 172 families … Continue reading "Classification of birds"
Read More
Posted:
August 24, 2019
Under:
Birds
By
KHO
Birds are characterised by feathers, toothless beaked jaws and a strong lightweight skeleton who lay eggs with hard shells. Most can fly but some, like the ostrich, kiwis, rheas, and cassowaries, have lost that ability. Most of these birds have long legs adapted for running. Penguins are also flightless but their body shape has adapted … Continue reading "Class Aves"
Read More