Concept of punctuated equilibrium, Biology

Assignment Help:

A species of trilobite was found in the fossil record. At its first appearance, it is similar to an ancestor species but differs from the ancestor in several key characteristics. It seems to change little over several million years, then is extinct. This illustrates the concept ofA species of trilobite was found in the fossil record. At its first appearance, it is similar to an ancestor species but differs from the ancestor in several key characteristics. It seems to change little over several million years, then is extinct. This illustrates the concept of punctuated equilibrium. gradualism. developmental evolution. anagenesis. evo-devo.


Related Discussions:- Concept of punctuated equilibrium

Apex locator in retreatment cases-endodontics principles, Apex locator in r...

Apex locator in retreatment cases: -    Electronic apex locators may give misread for working length when gutta-percha is initially being removed. -    Due to that file beging

Gametophytic incompatibility, Gametophytic Incompatibility In GSI syst...

Gametophytic Incompatibility In GSI systems callose deposition is not evident on the stigma but is very conspicuous in the pollen tube. Sometimes the callose deposition occurs

Irritability, Irritability If a bright torch of light is flashed acros...

Irritability If a bright torch of light is flashed across your eyes, you close your eyes instinctively. The bright light acts as a stimulus (pl, stimuli) and closing your eyes

Importance of the emergence of seeds in the plant kingdom, Q. What is the e...

Q. What is the evolutionary importance of the emergence of seeds in the plant kingdom? The evolutionary significance of the seed is related to the plant capability of distant c

What is the climax stage of an ecological succession, What is the climax st...

What is the climax stage of an ecological succession? The climax stage is the stage of the ecological succession in which the community of an ecosystem becomes stable and does

What are heterotrophic beings, What are autotrophic beings? What are hetero...

What are autotrophic beings? What are heterotrophic beings? Autotrophic beings are those that can make their own food, i.e., that make organic material from inorganic compound

Define chronic fever and infection, Chronic fever and  infection Chron...

Chronic fever and  infection Chronic fever  and  infection are always supported will a long standing history of symptoms  or repeated episodes of infection. One of the commonl

Monosaccharides, MONOSACCHARIDES Simple carbohydrate monomers, whi...

MONOSACCHARIDES Simple carbohydrate monomers, which cannot be hydrolysed further into simpler or smaller subunits. Monosaccharides are generally colourless, crystallin

Define the dietary recommendations for epilepsy, Define the Dietary Recomme...

Define the Dietary Recommendations for epilepsy? A 3: 1 ketogenic diet is recommended. The time taken for reversing the usual ratio of 1:3 to 3: 1 is about 4 days. How will we

Define the properties of solutions, Define the properties of solutions ...

Define the properties of solutions Several properties of solutions are particularly important in food preparations. Amongst these are colligative properties, such as vapour pre

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd