The diagram below represents a section of undisturbed sedimentary rock. The general location of fossils of several closely related species is indicated.
Species C&D
Species
Species A & B&C
Species A&B
Species A
According to currently adapted evolutionary theory, which is the most probable correct assumption to be made concerning
species A, B, C, and D?
A) A is the ancestor of B, C, and D.
B) D is the ancestor of A, B, and C.
C) B was already extinct when C evolved.
D) C evolved more recently than A, B, and D.

Look at the images of different rocks. which rocks have a fine-grained texture? check all that apply. 1 2 3 4 5

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area

Onsider the paragraph above. what is one chemical property of water? a) water is a polar molecule. b) water is the universal solvent. c) water reacts with group 1 metals. d) water has a high specific heat capacity.