Anne is observing an animal specimen. it has body parts that seem to extend from a central point, just like spokes in a bicycle wheel. which animal is it most likely to be? a) sponge b) flatworm c) crayfish

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

In each transformation of energy , some energy what?

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these