Why is the kingdom Protista considered the junk drawer?

Why is the kingdom Protista considered the junk drawer?

Protists are eukaryotic–they have a nucleus, but they don’t fit into any of the other eukaryotic filing cabinets known as animals, plants, and fungi. For this reason, Kingdom Protista is occasionally called the “junk drawer kingdom.”

Are protists mobile or stationary?

– They are a group of stationary AND mobile organisms, which means that while some can move, others can’t. Click to see full answer. Also, are protists stationary or mobile? Most, but not all, protists are single-celled.

What are some bad things about protists?

The major negative about protists is that some cause diseases, both in humans and in other organisms. Examples are amoebic dysentery, meningo-encephalitis, malaria, toxoplasmosis, and African sleeping sickness.

What are the main characteristics of Kingdom Protista give examples?

Outline the characteristics of Kingdom Protista.

• All protists are eukaryotic organisms.
• Most protists are aquatic, others are found in moist and damp environments.
• Most are unicellular, however, there are a few multicellular protists such as the giant kelp.
• They may be autotrophic or heterotrophic in nature.

What are not protists?

The most popular contemporary definition is a phylogenetic one, that identifies a paraphyletic group: a protist is any eukaryote that is not an animal, (land) plant, or (true) fungus; this definition excludes many unicellular groups, like the Microsporidia (fungi), many Chytridiomycetes (fungi), and yeasts (fungi), and …

Is a plant like protist?

Plant-like protists are known as algae (Figure below). They are a large and diverse group. Protists can be unicellular (single-celled) or multicellular (many-celled). Seaweed and kelp are examples of multicellular, plant-like protists.

Which protist makes up about 80% of the world’s oxygen?

Protists, such as aphanizomenon flos-aquae and spirulina, are types of blue-green algae that also produce oxygen as a by-product of their respiration cycle. If not for these little cyanobacteria, Earth would not be the oxygen rich planet it is today. Blue-green algae provides 80% of the Earth’s oxygen.

How do protists harm humans?

Some severe diseases of humans are caused by protists, primarily blood parasites. Malaria, trypanosomiasis (e.g., African sleeping sickness), leishmaniasis, toxoplasmosis, and amoebic dysentery are debilitating or fatal afflictions.