Why don’t some small aquatic animals need a circulatory system?

Question

04-05-2018
Biology

contestada

Why don’t some small aquatic animals need a circulatory system?

Respuesta :

Otras preguntas

PLEASE HELP IMAGE ATTACHED! These triangles are similar. Find the area of the smaller triangle to the nearest whole number.

Best comparison of two poems "the taxi" and "where have you gone"

What is the conflict in who moved my cheese

if a sprinkler waters 1/18 of a lawn in 1/3 hour, how much time will it take to water the entire lawn

You have 12 balloons to blow up for a party. You blow up 1313 of them, and your friend blows up 5 of them. What fraction of the balloons still need blowing up?

Roger is renting a tuxedo for prom. Once he has chosen his jacket, he must choose from three types of pants, four colors of vests, and two different styles of s

Rachel wants to paint her cupboard. The length of the cupboard is 2.5 meters, its width is 1 meter, and its height is 2 meters. How much area will she need to p

Solve this equation using an algebraic method: (x + 4)( x - 4) = 9 Help me out please

there is a cafe at the park it is 13 meters long and 8 meters wide. what is the area of the cafe

roslynatudoroae roslynatudoroae · Answer 1 · 2018-05-04T04:54:02+02:00

roslynatudoroae roslynatudoroae

04-05-2018

Living cells need to absorb nutrients and oxygen and to release waste products, such as carbon dioxide. Some animals are small enough to do this by diffusion from their surface and do not require a circulatory system.

Answer Link