which is evidence for the idea that calis are the basic units of life

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?

Agroup of students are walking in the park and one of them takes a picture of a pollen grain that is been blown by the wind what caption can the student use for this picture

If a cell loses control of gene expression what happens?