What are the four types of reptiles? - Socratic
Aug 23, 2016 · Reptile itself is a class (Reptilia) under phylum Chordata. Living reptiles are of four types: Turtles and Tortoises, Snakes and Lizards, Crocodiles and Caiman, and Tuatara. Reptiles ruled the land, water and air in Mesozoic era, but most of them became extinct about 60 million years ago. There are only four living orders: Rhyncocephalia Squamata Chelonia Crocodilia. Rhyncocephalia includes a ...
Animal Classification - Biology - Socratic
Animal classification is the categorizing of animals and organisms hierarchically. The ranking system is based on a fixed number of levels such as kingdom, family, or genus. The order goes: Animal classification is based on an organisms decent from a common ancestor. Accordingly, the most important traits for classification are those inherited ...
What is the phylum chordata? - Socratic
Jul 28, 2014 · 1 Answer. Judy O. · Media Owl. Jul 28, 2014. Chordate, a phylum of animals which includes all animals with backbones and several other types of animals: mammals, fish, amphibians, reptiles, birds; salps, sea squirts and lancelets. Chordates form a phylum of creatures that are based on a bilateral body plan and is defined by having at some ...
r/K Selection Theory - Biology - Socratic
Dec 26, 2014 · r-selection makes a species prone to numerous reproduction at low cost per individual offspring. This would be seen in rodents with many offspring. short gestation, short parental care and a short time until the off spring can reproduce. Reptiles and turtles have both r and K while male humans have r and females have K.
What types of plants and animals were present on Pangaea?
Feb 28, 2016 · Glossopteris, Mesosaurus,Lystrosaurus and Cynognathus , Polar dinosaurs Glossopteris:- was a tree like plant with tongue shaped leaves.Its height was 12ft. Mesosaurus:- It was a fresh water reptile . Lystrosaurus and Cynognathus:- Both were land dwelling reptiles lived in triassic period . Polar dinosaurs:- Lived on poles at a place Dinosaur Cove in australia. They had night vision and they ...
What is r/K selection theory? - Socratic
Oct 12, 2014 · This theory was more popular in the 1970's and has lost some favor because of the inability to test it. K-selected species expend high cost in reproduction for a low number of more difficult-to-produce offspring. "A North Atlantic right whale with solitary calf. Whale reproduction follows a K-selection strategy, with few offspring, long gestation, long parental care, and a long period until ...
What are transitional fossils and why are they important to
Jan 11, 2017 · Transitional fossils are believed to be the preserved evidence of transitional forms of organisms, the so called missing links which provide support to the theory of descent with modification. A transitional fossil is a term used to describe a fossil that shows a transitional form of two different species. The transitional fossil will show a combination of traits from the species that preceded ...
The Fossil Record - Biology - Socratic
Dec 19, 2017 · The word 'fossil' was coined more than 500 years ago, by German scientist Georgius Agricola, though records describing fossils are much older. It actually means 'having been dug up' in its original latin form. In prechristian era, Greek philosophers discussed about fossils, later Leonardo da Vinci studied fossils in great detail so that he is ...
Hyphens - English Grammar - Socratic
The best videos and questions to learn about Hyphens. Get smarter on Socratic.
What is the key distinction between speciation and ... - Socratic
Jan 16, 2017 · The finches evolved into 13 different types of finches occupying different niches. These different species of finches can and do hybridize interbreeding with each other. There is no new genetic information required for this type of speciation. An example of macroevolution is the transition from flying reptiles to birds.