Scientists monitor the effects of a deadly parasite in a host. what trends will they most likely see? 1. as the parasite population increases, the host population decreases. 2. as the parasite population increases, the host population increases. 3. the host population decreases only if the parasite population decreases. 4. the host population will remain the same regardless of whether the parasite population increases or decreases.

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?