C) design and conduct an experiment
Answer:
The answers are Flagella and Cilia.
Explanation:
Two different kinds of appendages may be found on eukaryotic cells that enable them to move. <u>Flagella</u> are long slender locomotor appendages that are usually single and few in number, whereas <u>cilia</u> are appendages that are numerous and short. These two differ on the length and amount.
Observations are used with observing, forming a hypothesis, and analyzing data.
<h2>Phylum Annelida</h2>
Explanation:
The given animal must be an Annelid.
Annelids are commonly called segmented worms. The characteristics features of annelid are:
- Segmented bodies , each segment is called annuli.
- Closed circulatory system.
- Stiff appendages and flexible skin.
- Eucoelomate i.e the presence of true coelom.
- Nephridia as excretory organs.
Since the animal discovered by the marine biologist has a segmented body and true coelom, it is obviously categorized in Phylum Annelida.
