1.	How many plant species are currently classified as endangered? Over 5,000 Over 11,450 Over 19,000 Over 25,500
2.	The five kingdoms that all living things are classified in are: plants, animals, eukaryotes, prokaryotes, insects plants, animals, insects, fungi, protists plants, animals, insects, protists, monerans plants, animals, fungi, protists, monerans
3.	The number of existing species on earth today is: between 1.4 and 1.7 million 4 or 5 million more than 10 million not exactly known
4.	The smallest unit of classification is: species genus family order
5.	In what year was the Endangered Species Act enacted in the United States? 1973 1976 1983 1989
6.	Which of the following is not a classification unit? phylum family class group
7.	What is one of the most important reasons to preserve endangered or unknown species? They taste good They are nice to look at They can be used to make medicines They would make cool pets
8.	Would extinction occur if mankind didn't cause it? yes no
9.	Who discovered penicillin? Francis Crick Alexander Fleming Louis Pasteur Marie Curie
10.	Aquaculture is an exciting new field of food production that: uses large fleets of boats to strip the ocean floor of aquatic life employs scuba divers to harvest ocean plants domesticates marine and freshwater animals builds underwater farms beneath glass domes