Lab: Exercise and Homeostasis: How does heart rate change during and after an exercise is performed for two different periods of time?

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm