Which of the following chordates is most likely to look least like other chordates?
a. adult tunicate b. lancelet c. embryonic human d. larval tunicate e. adult human

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?

All other things being equal the size of a population will decrease if

Add solid urea to a beaker of water. the beaker gets very cold. is δh favorable or