... 1 million species, the most out of all the others. A broad majority of known animal species such as insects, crustaceans, and arachnids are arthropods. They have a segmented exoskeleton along with jointed appendages (Reece, 683). Materials and Methods Exercise 1 was an invertebrate scavenger hunt. Students were given a list of clues provided by the lab instructor. The provided specimens were used to find organisms ... ...

• Word Count: 898
• Approx Pages: 4
• Has Bibliography

... are found in this class. In this class some have chlorophyll, which allows them to produce their own food others, are pathogenic to man. These organisms use long thread like appendages called flagella to move. The fourth and final class of protazoa is the Sporazoa. The Monocystis, Nosema bombycis and Prospora gigantea belong to this class of protazoa. These organisms are ... ...

• Word Count: 978
• Approx Pages: 4
• Has Bibliography
• Grade Level: High School

... an exoskeleton to protect their organs. They possess a complete digestive system as well as a closed circulatory system. Their nervous system is made of a brain and a nerve cord. Furthermore, they possess appendages designed for movement. Perhaps an explanation of their complexity and diversity stemmed from their sexual reproductive techniques. Evolutionarily speaking, sexual reproduction allows for more diversity and potential for advancement. We ... ...

• Word Count: 377
• Approx Pages: 2

... have a cell wall containing unique amino sugars cross-linked by peptide chains. Some bacteria move by means of flagella, and some adhere to surfaces by means of short, fine, hairlike appendages called fimbriae. Most types of bacteria are heterotrophic by absorption. They are saprotrophs, organisms that carry on external digestion of organic matter and absorb the resulting nutrients across the plasma ... ...

• Word Count: 1381
• Approx Pages: 6
• Has Bibliography
• Grade Level: Undergraduate