Fill in the Blank: Write the word that best completes each sentence.
6. __________________ is the study of how organisms develop.
7. A change in the allele frequency of a population over time is _______________.
8. The remains of organisms that once lived that provide information about evolution are ___________________________.
9. ________________________ was a scientist who collected specimens while on the ship called the Beagle.
10. A(n) _________________________ sequence can be compared between two different organisms to determine their relationship.
11. A structure that had a function in the past like the wings of an ostrich but do not have a function now are called _______________________________.
12. The similar structures in different organism like the humerus, ulna, radius, carpals, metacarpals, and phalanges in a bat and human are called ____________________________________.
What’s the Picture: Write the word that is being shown/represented in each picture below.
13. ______________________________ 14. _____________________________
15. ______________________________ 16. _____________________________
17. _______________________________
18. Explain the process of radiometric (radioactive dating) in your own words.