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

What is increase in the second messenger, When glucagon binds its receptor ...

When glucagon binds its receptor there is an increase in the second messenger, cAMP. cAMP levels can be decrease by which of the following enzymes? -adenylate cyclase -PDK1

Precautions to prevent from hiv , Precautions to prevent from HIV  To a...

Precautions to prevent from HIV  To avoid HIV infection one should practice safe sex (use of condoms). Besides a few simple precautions are given for protection against HIV inf

Invertebrete zoology, give an example invertebrate phylum/phyla for protopl...

give an example invertebrate phylum/phyla for protoplasmic grade organization

Explain systolic murmurs in heart diease details, Explain Systolic Murmurs ...

Explain Systolic Murmurs in heart diease details? Definition: Murmurs is a series of auditory vibrations that are more prolonged than a sound. Causes: High-energy turbulence ca

What is abscess and gingival biotype, What is Abscess and Gingival Biotype ...

What is Abscess and Gingival Biotype Abscess: Rule out any presence of Periapical or /and Periodontal abscess Gingival Biotype: Thickness of the gingival is an important

Pain receptors, What information does the pain receptor relay to the brain ...

What information does the pain receptor relay to the brain about stimuli below threshold

Psychosocial problems, PSYCHOSOCIA L PROBLEMS  - 1 .       Accidental...

PSYCHOSOCIA L PROBLEMS  - 1 .       Accidental injury - Automobile accidents are no. 1 killers of adolescents, as they drive often fast. 2 .       Depression - I

Composition of individual phase in phase diagram – one phase, Define Compos...

Define Composition of Individual Phase in Phase Diagram - One Phase? The way in which we interpret a two-dimensional phase diagram to obtain the compositions of individual phas

Define key concepts and facts on properties of monosaccharid, Define Key Co...

Define Key Concepts and Facts on Properties of Monosaccharides? 1. All monosaccharides are soluble in water. 2. All monosaccharides give Molisch's test. 3. Monosaccharides do n

Indicate the probability of producing, I have no idea how to do this: two g...

I have no idea how to do this: two gene loci, A and B, assort independently, and alleles A and B are dominant over alleles a and b. Indicate the probability of producing: an AB phe

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