Why are there more marsupials in Australia than North America ? A. There aren't as many native predators of marsupials in Australia so they flourished

B. The environment is better suited for marsupials

C. A common ancestor of marsupials made its way to Australia before continental drift started

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.

Use the above pedigree for questions 1,2, and 3 1. what kind of genetic disorder is represented in the pedigree? a. recessive b. dominate refer to the pedigree in question 1. 2. is the mutated gene in this disorder located on a sex chromosome (x or y) or an autosome? a. sex chromosome b. autosome refer to the pedigree in question 1. 3. which generation has individuals that you are certain are heterozygous for the mutated gene? a. generation 1 b. generation 2 c. generation 3

The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird