sweetie666 sweetie666

04-05-2018
Biology

contestada

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

Respuesta :

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

Solve the equation. –x + 8 + 3x = x – 6 x = –18 x = –14 x = 2 x = 4

From far beyond the horizons that bound this bleak plantation there had come to me through my living the knowledge that my father was a black peasant who had go

If 35 people going to the movie bought popcorn and that was 20% of all the people at the movie how many people were at the movie

Find the gradient of the line segment between the points (-3,3) and (4,4).<br />Give your answer in its simplest form.

:((( please, i need help

20 POINTS + WILL GIVE BRAINLEIST Read the passage and answer the question that follows:Despite our best efforts as parents, we will always make mistakes in rais

Which of the following can be multicellular? A. eukaryotes B. prokaryotes

The molar mass of Cu2CO3 is a. 123.5 g/mol b. 155.0 g/mol c. 187.0 g/mol d. 211.0 g/mol

Is the relationship linear, exponential, or neither?

Which has the greater density, 5 kg of lead or 10 kg of gold?