Evolution , Biology

Assignment Help:
What benefits led to natural selection of a two-circuit pump function of the heart
a) One circuit to go from the heart to the body and one from the heart to the lungs
b) One circuit to go from the heart to the body and one from the heart to the gills
c) One circuit to go from the heart to the lower body and one from the heart to the head
d) One pump to blood to the tissues and one pump to pump it back
e) To pump twice as much blood

Related Discussions:- Evolution

How is excretion done in amphibians, Q. How is excretion done in amphibians...

Q. How is excretion done in amphibians? Adult amphibians have kidneys that filter blood. Nitrogen waste is excreted as urea so amphibians are ureotelic beings. The aquatic, lar

What are the two divisions of meiosis, What are the two divisions of meiosi...

What are the two divisions of meiosis? What are the main events that happen in those divisions? Meiosis is divided into first meiotic division, or meiosis I, and second meiotic

Define central nervous system, Q. Define Central nervous system? The ne...

Q. Define Central nervous system? The nervous system begins as a simple tube during embryonic development (then anterior part expands and also ventricles are formed).  Foreb

Under which form is nitrogen fixed by living beings, Q. Under which form is...

Q. Under which form is nitrogen fixed by living beings? The Most living beings can't use molecular nitrogen to obtain nitrogen atoms. The Producers fix nitrogen primarily from

What is the enzyme included, Is there any situation in which DNA is made ba...

Is there any situation in which DNA is made based on a RNA template? What is the enzyme included? The process in which DNA is synthesized having as template a RNA chain is know

Explain risk factors and some epidemiological data, This assignment is a 15...

This assignment is a 1500 word 'clinical update' journal article. The format for this article is similar to that of the 'ANF clinical update' series published in the Australian Nur

Advantages and disadvantages of measurement of cell mass, Define Advantages...

Define Advantages and Disadvantages of Measurement of Cell Mass? Advantage 1. It is a useful technique for estimating fungal and actinomycetes growth. Disadvantages 1.

Supenisory nursing round, Supenisory Nursing Round: Supervisory rounds...

Supenisory Nursing Round: Supervisory rounds are tours or excursions into areas where patients are cared for where personnel operate, where intra and inter departmental commun

Explain about iceberg phenomenon, Q. Explain about Iceberg Phenomenon? ...

Q. Explain about Iceberg Phenomenon? Phenomenon means a fact or occurrence that appears. Let us see how iceberg phenomenon is applied to Diabetes Mellitus (DM). Cases of dia

What is the relation between vitamins and enzyme cofactors, Many vitamins a...

Many vitamins are enzyme cofactors that cannot be synthesized by the organism and must be attained from the diet.

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