23 Questions
What is the means of locomotion for some parasites?
Reduced
In a dioecious parasite, what is the reproductive system like?
Male and female reproductive organs in a single individual
What is the characteristic feature of flukes?
Dorsoventrally flattened bodies
Which type of parasite requires two hosts to complete its development?
Trematodes
What is the role of the oral sucker in flukes?
Obtain food by absorbing it through the cuticle
Which parasite causes disease by affecting different animal tissues based on the host tissue?
None of the above
What is a key similarity between parasites and bacteria?
Both can be pathogenic
Which category of protists contains organisms that are heterotrophs?
Animal-like protists
What is the function of pseudopods in sarcodines?
To capture food and aid in movement
Which type of protist reproduces through binary fission?
Amoeba
What distinguishes ciliates from other animal-like protists?
Possession of cilia for movement and feeding
In what way do animal-like protists differ from plant-like protists?
Animal-like protists have cells with nuclei, while plant-like protists lack nuclei
What is the main difference between tapeworms and roundworms?
Tapeworms have scolex for attachment, while roundworms have spicules for sperm guidance.
How do tapeworms absorb food?
Through their cuticle
What is the function of proglottids in tapeworms?
To store eggs
What purpose do spicules serve in roundworms?
To guide sperm to the female's genital pore
Which of the following nematodes is commonly known as the Whipworm?
Trichuris trichiura
Which organism is characterized by having long whip-like hairs called Flagella?
Euglena
Which protozoan parasite causes the disease known as 'Brain-eating amoeba'?
Naegleria fowleri
What type of parasites live inside the intestines or bloodstreams of a host?
Zooflagellates
Which structure in Paramecium functions in removing wastes?
Anal pore
What is characteristic of Platyhelminthes (flatworms) and Nematoda (roundworms)?
Are multicellular eukaryotic animals
Which type of relationship between host and parasite is defined by one organism benefiting while the other is harmed?
Parasitism
Study Notes
Locomotion in Parasites
- Some parasites use pseudopodia as a means of locomotion.
Reproductive System in Dioecious Parasites
- In dioecious parasites, the reproductive system consists of separate sexes.
Characteristics of Flukes
- The characteristic feature of flukes is the presence of an oral sucker.
Parasites with Two Hosts
- Echinococcus multilocularis is a type of parasite that requires two hosts to complete its development.
Function of Oral Sucker in Flukes
- The oral sucker in flukes is used for attachment and feeding.
Tissue-Affecting Parasites
- Some parasites cause disease by affecting different animal tissues based on the host tissue.
Similarity between Parasites and Bacteria
- A key similarity between parasites and bacteria is that they are both heterotrophs.
Heterotrophic Protists
- The category of protists that are heterotrophs is the animal-like protists.
Function of Pseudopods in Sarcodines
- Pseudopods in sarcodines are used for locomotion and feeding.
Binary Fission in Protists
- Amoebas reproduce through binary fission.
Characteristics of Ciliates
- Ciliates are distinguished from other animal-like protists by the presence of cilia.
Difference between Animal-Like and Plant-Like Protists
- Animal-like protists are heterotrophs, while plant-like protists are autotrophs.
Difference between Tapeworms and Roundworms
- Tapeworms are flat, segmented worms, while roundworms are cylindrical and unsegmented.
Food Absorption in Tapeworms
- Tapeworms absorb food through their body surface.
Function of Proglottids in Tapeworms
- Proglottids in tapeworms are segments that contain reproductive organs.
Function of Spicules in Roundworms
- Spicules in roundworms serve as copulatory organs.
Whipworm
- Trichuris trichiura is commonly known as the Whipworm.
Organism with Flagella
- Giardia is an organism characterized by having long whip-like hairs called Flagella.
Brain-Eating Amoeba
- Naegleria fowleri is a protozoan parasite that causes the disease known as 'Brain-eating amoeba'.
Intestinal and Bloodstream Parasites
- Endoparasites live inside the intestines or bloodstreams of a host.
Waste Removal in Paramecium
- The anal pore in Paramecium functions in removing wastes.
Characteristics of Flatworms and Roundworms
- Platyhelminthes (flatworms) and Nematoda (roundworms) are both characterized by being bilaterally symmetrical.
Parasitic Relationship
- The type of relationship between host and parasite in which one organism benefits while the other is harmed is defined as parasitism.
Test your knowledge on the similarities and differences between parasites and bacteria. Explore topics like being unicellular, microscopic, pathogenic, and more. Learn about the categories of animal-like protists, plant-like protists, and fungus-like protists.
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