The main source of energy for this pond community is the

plants

sun

pond water

animals

How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?

Each nephron is made up of capillaries that form the __ sweat glands bladder glomerulus ureter

Where does the esophagus lead to in a frog?