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

Downers cow syndrome, D o w n e r s cow syndrome The Downer's co...

D o w n e r s cow syndrome The Downer's cow, otherwise known as creepers, is commonly a fatal condition of dairy animal associated with the unsuccessful treatment of cas

What is the trace element, What is a trace element and how are they importa...

What is a trace element and how are they important in organisms, give an example.

How do the sodium and potassium ions maintain the neuron, How do the sodium...

How do the sodium and potassium ions maintain the resting potential of the neuron? The plasma membrane of the neuron when at rest maintains an electric potential difference amo

Goal of fostering the integration of biology, Evaluate how best to achieve ...

Evaluate how best to achieve the goal of fostering the integration of biology, statistics, and mathematics. What impediments stand in the way of progress? What is the best way to

Organisation of nervous system, Organisation of Nervous System Nervou...

Organisation of Nervous System Nervous systems are composed of nerve cells or neurons and glial cells. In the latter half of the 19 th century it was strongly believed that

Explain the nucleolus, Q. Explain the nucleolus? The nucleolus is an op...

Q. Explain the nucleolus? The nucleolus is an optically and a small dense region in the interior of the cell nucleus. It is made of ribosomic proteins and RNA (rRNA). One nucle

Proteins of plant origin - seed proteins, Proteins of Plant Origin - Seed P...

Proteins of Plant Origin - Seed Proteins Seed Proteins: Although a large number of plants produce seeds having protein contents in excess of 15%, only a few are utilized for fo

Epidemiology, Endocarditis usually occurrs more frequently in men, gender d...

Endocarditis usually occurrs more frequently in men, gender derived ratios range from 1.6 to 2.5. The age specific incidence of endocarditis increased progressively after 30 years

Pharmacological management, Once the decision to start drug treatment of hy...

Once the decision to start drug treatment of hypertension is made, the aim should be to provide 24 hour BP control, with agents that would encourage patient adherence. The patient

Where do pga and glycine gain entry, Where do PGA and glycine gain entry re...

Where do PGA and glycine gain entry respectively after being formed during photorespiration in plants? What occurs to them immediately after?

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