Which are the only invertebrates that can fly? a.) insects b.) centipedes c.) arachnids d.) crustaceans plz note that if you've looked up your answer (in which i will know) you will be reported. plz support your answer

What does it mean for a cell membrane to be selectively permable

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

Wich level of organization includes all the other levels or organizations