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

Continuous wave doppler, When a ventricQlar septa1 defect (VSD) is present,...

When a ventricQlar septa1 defect (VSD) is present, with no aortic stenosis, the peak velocitgrĀ  across the defect reflects the difference in pressure between the right ventricle an

Explain nevirapine and its adverse effects, Explain Nevirapine and its adve...

Explain Nevirapine and its adverse effects Nevirapine (NVP,Viramune) - Nevirapine is most effective at raising CD4 cell counts and lowering viral load when combined with 2 NRTI

Define composition of the diet during pregnancy period, Define composition ...

Define composition of the diet during pregnancy period? The composition of the diet during pregnancy should be the same as for a non- pregnant woman; hence the contribution to

Mitosis, what is mitotic apparatus

what is mitotic apparatus

Excretory system, what is the excretory organ of a lizard?

what is the excretory organ of a lizard?

How is the cooling of tissues and organs, Q. How is the cooling of tissues ...

Q. How is the cooling of tissues and organs for medical transplants associated with the effect of temperature upon enzymatic reactions? The molecular degradation during the dec

Protozoans and cnidarians, compare and contrast the structure of the follow...

compare and contrast the structure of the following: hyrda plain, hydra mematocysts, obelia, amoeba, euglena, paramecium caudatum conjugation, euglena acus.

Define colorimetric method - 2, Define Colorimetric Method - 2, 4 Dinitroph...

Define Colorimetric Method - 2, 4 Dinitrophenylhydrazine Method? We shall use this method in estimating vitamin C in a given sample in the laboratory. Here, let us look at the

Describe the recovery process of an extracellular product, Question 1: ...

Question 1: Describe the recovery process of an extracellular product through downstream processing. Different criteria's for the choice of recovery process Brief on

How many kcal of gross energy were formed, The question asks . . . 18 moles...

The question asks . . . 18 moles of moles of maltose are completely oxidized by the reactions of the final oxidative pathways (Embden-Myerhoff Pathway and Krebs Cycle). How many AT

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