6. Different species are classified into different threat categories in the a. Red Data Book
b. Blue Data Book
c. Black Data Book
d. Yellow Data Book
7. WWF works in the field of
a. wildlife conservation
b. child labour
c. forest conservation
d. water conservation

Alaska and northern canada have a diet rich in vitamin d and their skin color is darker than predicted on the basis of iv intensity at their latitude. explain the observation:

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome