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 herbicide tolerant crops in ecological, Herbicide tolerant crops (H...

Herbicide tolerant crops (HTC) Increased use of the herbicides plant is tolerant to (describes ecological impact eg toxic residues in soil, runoff into waterways) Ther

Explain spermatocyte I and spermatocyte II, What is the difference between...

What is the difference between spermatocyte I and spermatocyte II? The spermatocyte I (2n) undergoes the primary division of meiosis (meiosis I) originating two spermatocyte II

Nature defences against viral infections, Nature defences against viral inf...

Nature defences against viral infections 1.      Interferons - In 1957 Issue and Lindenmann discovered that vertebrate cells infected with viruses, produce a diffusible antiv

Organogenesis - plant tissue and organ culture, Organogenesis - Plant Tissu...

Organogenesis - Plant Tissue and Organ Culture Organogenesis refers to the differentiation of organs such as roots, shoots or flowers. Shoot bud differentiation may occur dire

Explain dietary management, Dietary Management The golden  rule  in  th...

Dietary Management The golden  rule  in  the dietary  management  of  ally  fever  is  "feed  the fever". Considering that  enteric (typhoid) fever  is accompanied by anorexia,

Evidence in favour and against of mutation theory, EVIDENC E IN FAVOUR OF ...

EVIDENC E IN FAVOUR OF THE MUTATION THOERY - Mutation theory can explain both progressive and retrogressive evolution and the occurrence of both changed and unchanged forms.

What is the structural formula of glycerol, What is the structural formula ...

What is the structural formula of glycerol? To which organic function do these molecules belong? Glycerol is a linear chain of 3 carbons; the central carbon is bound to one hyd

Explain the uses of isp in seafood products, Explain the Uses of ISO in Sea...

Explain the Uses of ISO in Seafood products  Seafood products  The most significant application in this category is the use of ISP in fish sausage and surimi based restructu

Adp-atp system of energy exchange, ADP-ATP system  of energy  exchange : ...

ADP-ATP system  of energy  exchange : In 1929 Lohmann, Fiske and  subbarow  published  their  discovery  that the energy  exchanges  compounds in all biological  systems  are t

How antigen react against future infection by same agent, Q. How can an org...

Q. How can an organism that once underwent contact with an antigen be immunized against future infections by the same agent? This phenomenon is called as immune memory when an

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