Match each term with its most suitable description....

Match each term with its most suitable description. _________diplomonad _________apicomplexan _________algal bloom _________diatom _________brown alga _________red alga _________green alga _________choanoflagellate a. protist population explosion b. silica-shelled producer c. cells with "collared" flagellum d. no mitochondria, anaerobic e. closest relative of land plants f. multicelled, with fucoxanthin g. one type causes malaria h. deep dweller with phycobilins

Match each term with its most suitable description.
_________diplomonad
_________apicomplexan
_________algal bloom
_________diatom
_________brown alga
_________red alga
_________green alga
_________choanoflagellate
a. protist population explosion
b. silica-shelled producer
c. cells with "collared" flagellum
d. no mitochondria, anaerobic
e. closest relative of land plants
f. multicelled, with fucoxanthin
g. one type causes malaria
h. deep dweller with phycobilins

Key Concepts

Green alga

Green algae are photosynthetic protists that share key pigments, such as chlorophyll a and b, with land plants, making them vital to understanding plant evolution. They exhibit a range of forms from unicellular to multicellular, bridging simple and complex life forms.

Algal bloom

An algal bloom represents a rapid increase in the population of algae in aquatic environments, often due to favorable conditions such as excess nutrients. This phenomenon is central to studies of ecosystem dynamics and environmental impact.

Choanoflagellate

Choanoflagellates are unicellular or colonial eukaryotes characterized by a distinctive cell structure featuring a flagellum with a surrounding collar of microvilli. They are considered the closest living relatives of animals, offering valuable insights into the origins of multicellularity in metazoans.

Red alga

Red algae are a group of predominantly multicellular, photosynthetic organisms that contain phycobilin pigments, imparting a red color. Their diversity and adaptability illustrate important evolutionary pathways within the eukaryotic lineage.

Apicomplexan

Apicomplexans are a group of parasitic protists distinguished by the presence of an apical complex, a specialized set of structures used to invade host cells. This group includes medically significant parasites that illustrate complex life cycles and host interactions.

Diatom

Diatoms are unicellular algae known for their intricate silica-based cell walls, which contribute significantly to aquatic primary production. They serve as key indicators in ecological and environmental monitoring.

Diplomonad

Diplomonads are a group of flagellated protists that typically lack mitochondria and exhibit a double nucleus arrangement. They are primarily anaerobic and can be important in understanding unique adaptations among eukaryotes.

Brown alga

Brown algae are predominantly multicellular photosynthetic organisms characterized by the pigment fucoxanthin, which gives them their distinctive color. They are crucial to marine ecosystems, providing habitat and food, and offer insights into the evolution of complex multicellularity.

Transcript

00:01 Protists are extremely diverse.

00:04 A way to help organize the different types of protists is to draw a concept map and write the differentiating features of each protist species on the line.

00:15 So first one that we will define is diplomonads.

00:23 So next we want to figure out which defining feature of diplomonads we want to include on this line.

00:31 Diplonids are significant because they are anaerobic produce.

00:37 Which means they have no mitochondria, which all abbreviate as mito.

00:46 And so now we'll just continue doing this for all of the other protests that we've learned about.

00:54 Apa complexin require a host.

01:01 They cannot reproduce or survive without a host.

01:07 And one notable apy complexin causes the malaria infection in humans.

01:16 Next up, we have diatoms.

01:25 Diatoms are significant because they have a silica dioxide shell, which allows them when they die to form diatomaceous earth, a natural pesticide.

01:43 Now, algae blooms, while significant, are not necessarily their own species of protin.

01:49 However, they have significant impacts on the environment.

01:56 All glooms result when.

02:00 Protists rapidly expand.

02:05 So we can say rapid growth of protots, such as green or red algae...

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