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

Effect of sodium chloride concentration on water activity, Solutes and ions...

Solutes and ions tie up water in solution. Solutes lower aw and this reduction in aw depends on the total concentration of dissolved molecules and ions. Since these bind to water m

Why the enzymatic action is highly specific, Why can it be said that the en...

Why can it be said that the enzymatic action is highly specific? The enzymatic action is highly specific because only exact substrates of one enzyme bind to the activation cent

., what is the skeleton in the different classes of coelentrata known

what is the skeleton in the different classes of coelentrata known

Biology, how can i get an demo assignment to solve?

how can i get an demo assignment to solve?

Explain the concentration of a solution, Explain The concentration of a sol...

Explain The concentration of a solution The concentration of a solution is the amount of solute dissolved in a specified amount of solvent or solution.  When the concentration

Define criteria for assessment of niacin status, Define Criteria for Assess...

Define Criteria for Assessment of Niacin Status? Niacin status can be monitored by daily urinary excretion of methylated metabolites, especially the ratio of the 2-pyridone to

Pair of alleles has different allelesdominance between them, Whenever a pai...

Whenever a pair of alleles has different alleles is there dominance between them? Not in all cases of a gene includes two different alleles is the dominance complete. There are

What is total amount of both reactants and products decrease, In Chemical R...

In Chemical Reactions that have a large negative /\Go' a- the total amount of both reactants and products decreases b- the products are less stable than the reactants c- t

Mechanisms of sex determination and dosage compensation, XYY humans are fer...

XYY humans are fertile males. XXX humans are fertile females. What do these observations reveal about the mechanisms of sex determination and dosage compensation?

Define metabolic effects of thyroid hormones, Define Metabolic Effects of T...

Define Metabolic Effects of Thyroid Hormones? Although (T 4 ) is quantitatively predominant, (T 3 ) is the more active form. The mechanism of action of thyroid hormones appears

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