Biol 020 Lesson 4 Assignment

BIOL 020

Lesson 4 Assignment

Name___________________ PSU ID___________________

Questions for Submission (75 pts total)

Answer each of the following questions as completely as possible. Your answers should be no longer than a few sentences.

(5 pts) 1. Define the terms gene, homologous chromosome and allele. How are they related to each other?

(10 pts) 2. What are the evolutionary advancements associated with land plants?

(5 pts) 3. In the taxonomic hierarchy there are many ranks. What are the two terms called that make up species name? Who came up with this idea of a binomial name? Give an example.

(10 pts) 4. What is taxonomy? What is the three-fold purpose of taxonomy? Briefly explain your answer.

(10 pts) 5. What are the main groups of land plants outlined by your text and this commentary? Which of the algal groups is believed to be the progenitor of these groups?

(10 pts) 6. What are some of the major groups of algal? Describe one of the groups’ ecological and economic significance.

(25 pts) 7. To liven things up a bit, complete the following “Language of Flowers” exercise. Using flowers to send messages was a popular Victorian practice. Use the table in your text along with the table below (taken from www.languageofflowers.com and the Kate Greenway book) to construct a bouquet to send a message to someone you know, knew or would like to know. Write a short essay or letter (one to two pages should do) with the message you wish to send and construct a verbal bouquet that expresses your sentiments. Use your imagination: you are not restricted to sending a “love letter”. It is up to you what sentiments you wish to express. Please make sure your answer is legible (either print it or type it). Keep it clean (i.e. no obscenities) and leave the name of the person out (use a pseudonym). If you wish to consult additional references, feel free to do so. The Kate Greenway book “Language of Flowers” originally published in...