University:
Texas State University
Course:
BIO 1331 | Organismal Biology
Academic year:

2024
Views:

391

Pages:

2
Author:

Tyshawn Shaffer

The Six Kingdoms of Life Archaebacteria: Kingdom of extremist bacteria found in domain Archaea - cells without a nucleus that are ancient bacteria. They are named archaea which means “ancient things” because they often Archaebacteria live in conditions that resemble earth 3.5 billion years ago. These prokaryotes can be found in harsh environments like extreme salt, heat, cold, and acid, but can also be found in normal locations as well. Most antibiotics do not affect organisms of this kingdom due to the way they synthesize proteins. They are considered more closely related to Eukaryotes than Bacteria. Eubacteria: Found in Domain Bacteria. Deemed everyday bacteria because they can be found anywhere, they come in three shapes: spherical, Eubacteria spiral, and rod. Often associated with disease, there are more helpful than harmful bacteria in this domain as they assist in fixing nitrogen in plants, making antibiotics, and even food. Protista: single celled organisms that are either plant-like, animal-like or fungus- like – found in domain Eukaryotes – organisms with cells that Protista contain a nucleus. They are autotrophic or heterotrophic, reproduce sexually and/or asexually and may move using pseudopodia, flagella, cilia or not at all. Fungi: Kingdom of yeast, molds, and mushrooms – found in domain Eukaryotes. They can be single celled (yeast) or multicellular. They are Fungi heterotrophs that absorb their food using thin threadlike tubes called hyphae and they reproduce by spores. Fungi play a key role in recycling decaying material. Plantae: kingdom of plants – found in domain Eukaryotes. They are multicellular autotrophs that make their own food through photosynthesis. Plants Plantae are divided into two categories: non-vascular (no roots stems or leaves) and vascular (roots stems and leaves = vascular tissue for moving food and water throughout the plant). Animalia: kingdom of animals – found in domain Eukaryotes. Animals are heterotrophs that consume food as herbivores, omnivores, or carnivores Animalia (decomposers and scavengers). Animals have unique adaptations for finding food, mates, habitat, etc. Animals are invertebrates (lack a backbone) or vertebrates (have a backbone).

The Six Kingdoms of Life

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