sweetie666 sweetie666
  • 04-05-2018
  • Biology
contestada

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

Respuesta :

roslynatudoroae
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

Otras preguntas

Which is not an accurate description of Christopher Columbus? A. a talented navigator who relied on faulty estimates of the earth's circumference B. an Italia
find the last common factor of 12 and 36
Imagine you have 318.9 million people and out of those people 23.5 million people cannot eat what is the percent of people who can not eat
what is 84.985 rounded to the nearest tenth
which pair of words are synonyms
why did washington take action to end the newburgh conspiracy
Are involuntary muscles striated?
What is the following sentence written as an expression?" Add the product of 3 and 6 to 4".
A bowling ball with a mass of 4.5 kg travels at a velocity of 37 m/s for 2.5 s until it stopped at the end of the lane by the ball return. What additional info
According to Herbert hoover, what would best help those devastated by the great depression