Darwin focused on studying specific species on the galapagos islands and other places and observed
a. the genetic makeup of the individual species
b. that fossils tell us about the past
c. similar species in different areas with unique traits
d. how individuals grow in numbers

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.

You have trained year for a marathon. in your first attempt to run a marathon, you decide that you want to complete this 26-mile race in 4-5 hours. a. what is the length of a marathon in kilometers (1mile= 1.6 kilometers). b. what would your average speed have to be to complete the race 4.5 hours? give your answer in kilometers per hour.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?