Organisms that can’t photosynthesize and must get their energy by
eating other organisms are called

Describe the primary and secondary immune response in terms of speed and number of antibodies produced?

Nh3 +02-no + h20 is unbalanced what is the balanced equation

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?