Amoebozoa

Definition

Amoebozoa is a phylum of unicellular eukaryotic organisms characterized by their amoeboid movement and shape-shifting abilities. They play significant roles in both free-living ecosystems and as parasites in various hosts.

5 Must Know Facts For Your Next Test

1. Amoebozoa move using pseudopodia, which are temporary projections of their cytoplasm.
2. They include both free-living species, such as Amoeba proteus, and parasitic species like Entamoeba histolytica.
3. Entamoeba histolytica causes amoebic dysentery, a serious intestinal illness.
4. Amoebozoa can reproduce asexually through binary fission.
5. Some Amoebozoa form cysts to survive in unfavorable conditions.

Review Questions

• What type of movement is characteristic of Amoebozoa?
• Name a parasitic species within the Amoebozoa phylum that affects humans.
• How do Amoebozoa typically reproduce?

Related terms

Pseudopodia: Temporary cytoplasmic projections used by some eukaryotic cells for movement and feeding.

Binary Fission: A form of asexual reproduction where a cell divides into two genetically identical cells.

Cyst: A dormant, resistant form of some microorganisms that allows them to survive in harsh conditions.