Cuál crees que es la causa de que estos organismos tengan sistemas respiratorios diferentes raton, caracol, y loro

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above