Question

Why do amoeba and paramecium do not have a proper circulatory system. ​

Answer 1

Answer:

Amoeba and paramecium not have proper circulatory system because paramecia and amoeba are single-celled animals, and in order to have organs you need to be multicellular (organs are made of cells). They have to make do with organelles, like the nucleus and mitochondria.

Answer 2

Explanation:

Amoeba and paramecium not have proper circulatory system because paramecia and amoeba are single-celled animals, and in order to have organs you need to be multicellular (organs are made of cells). They have to make do with organelles, like the nucleus and mitochondria.