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

What is mitosis, What is Mitosis? Mitosis is a process whereby a cell...

What is Mitosis? Mitosis is a process whereby a cell that is preparing to divide separates the duplicated pairs of chromosomes from each other so that each of the new daughte

Loading and unloading of sieve tubes, Loading and Unloading of Sieve Tubes ...

Loading and Unloading of Sieve Tubes In order to understand the loading of food from manufacturing leaf cells to sieve tubes we must examine the anatomy of a minor vein shown

Determine factors affecting zn absorption - micro minerals, Determine Facto...

Determine Factors affecting Zn Absorption - Micro Minerals? In the last unit you have studied that absorption of various minerals (bioavailability) is influenced by number of f

Define categories of fatty acids, Define Categories of Fatty Acids? The...

Define Categories of Fatty Acids? The fatty acids can be discussed under following heads: Saturated and Unsaturated, Short chain, medium chain and long chain,

What is the cardiovascular system, What is the cardiovascular system Th...

What is the cardiovascular system The cardiovascular system, nervous system, kidneys and special sensory organ, eyes is directly affected by diabetes and leads to fatal conditi

What is meant by substrates of enzymatic reactions, Substrates are reagent ...

Substrates are reagent molecules upon which enzymes act. The enzyme has spatial binding sites for the attachment of its substrate. These sites are known as activation centers of

Determine the biological diversity of an ecosystem, Is monoculture a system...

Is monoculture a system that contributes to great biological diversity of an ecosystem? Monoculture means that in a large area a single crop (only single species of plant) is c

Are there living beings without cells, Q Are there living beings without ce...

Q Are there living beings without cells? Viruses are considered the only living beings that do not have cells. Viruses are constituted by genetic material RNA or DNA enwrapped

What is the significance of the epiglottis in human body, a) What is the si...

a) What is the significance of the epiglottis in human body? b) What happens to the glycogen concentration in the liver cells when the level of adrenaline enhances in the blood

Explain uristix benedicts test, Q. Explain Uristix Benedicts test? No s...

Q. Explain Uristix Benedicts test? No sugar/glucose is excreted in the urine in normal individuals. In diabetics, glucose is excreted by the kidneys when the blood sugar levels

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