hkfcarociDia hkfcarociDia

14-01-2017
Biology

contestada

Explain why flatworms do not need a respiratory or circulatory system

Respuesta :

lkarroum lkarroum

15-01-2017

Because Oxygen and CO2 are transported into and out of individual cells by simple diffusion.

Answer Link

Otras preguntas

Read the passage from “Rivers and Stories: An Introduction, Part 2.” Rivers, of course, are like stories, and they are like stories that classical strictures on

What is an equation of the line that passes through the points (3,1) and (4,4)?

Which type of coal has the greatest energy potential? A. Subbituminous B. Lignite C.anthracite D. Bituminous

Express the ratio 7/30: 1/4 in the form of r:s in lowest terms, where r and s are integers

Fred and Gina are playing tennis. The first player to win 2 sets wins their match. Fred has a 3/5 chance to win each set while Gina has a 2/5 chance. What is th

If you can buy one pineapple for $4, then how many can you buy with $12?

In 2011, the price of king crab was $17 per pound. In 2012, x million pounds of king crab were sold at $16 per pound. If the total money generated from sales ea

what reclusive formula can be used to represent the sequence 2, 6, 10, 14, 18

Es importante enseñar los idiomas minoritarios en la escuela para preservarlos?

find an equation in slope intercept form for the line though point P(-3,2) and perpendicular to the line containing the two points (2,3) and (1,-2)