Why do vestigial structures persist in modern organisms, Biology

Assignment Help:

Why do vestigial structures persist in modern organisms?

Explain the evidence that indicates that species evolve over time.

The environment will not select for or against organisms that have a particular structure until that structure affects the organisms' fitness.

Fossils show that a group of organisms, like marine mammals, have changed over time to adapt to dissimilar environments.

 


Related Discussions:- Why do vestigial structures persist in modern organisms

What would happen to the neuron, If neurons are exposed to a chemical agent...

If neurons are exposed to a chemical agent that prevents the NA+ channels from opening, what would happen to the neuron? What would happen if the K+ channels were inhibited? What d

What are the main components of the cytoskeleton, The cytoskeleton is a net...

The cytoskeleton is a network of very little tubules and filaments spread throughout the cytoplasm of eukaryotic cells. It is made of microtubules, microfilaments and intermediate

Define terms umbra and penumbra, Define the terms umbra and penumbra, and d...

Define the terms umbra and penumbra, and describe how they relate to solar eclipses.

Briefly explain associated mitral regurgitation, Explain Associated Mitral ...

Explain Associated Mitral Regurgitation and their role in miscellaneous conditions? Normal 0 false false false EN-IN X-NONE X-NONE

Explain about gelation, Gelation Agar gels can be formed in very dilute...

Gelation Agar gels can be formed in very dilute solutions containing a fraction of 1% agar. In fact gelation is perceptible at concentrations as low as 0.04%. These gels are ri

Structure of mitochondria, STRUCTURE Mitochondria is a double unit memb...

STRUCTURE Mitochondria is a double unit membranous structure. It consists of outer & inner membranes. Outer membrane is smooth & made up of lipoproteins. It bears m

Major classes into which the phylum is divided, Q What are the major classe...

Q What are the major classes into which the phylum is divided? What are the few examples of each and in which form (polyp or medusae) are they found? Coelenterates are divided

Mitosis, What is the role of mitosis in growth?

What is the role of mitosis in growth?

Explain procedure for test the presence of sugar in honey, Procedure for Te...

Procedure for Test the Presence of Sugar in Honey? 1. Mix 5 grams of honey with 5 ml ether in a mortar and pestle. 2. Decant off the ether extract into an evaporating dish.

Endosperm with micropylar and chalazal haustoria, Endosperm with Micropylar...

Endosperm with Micropylar and Chalazal Haustoria Some plants develop haustoria from both micropylar and chalazal ends of endosperm. In Nemophila aggressive haustoria arise fr

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