why do parasitic eukaryotes such as plasmodium or taenia need such elaborate life cycles 36257

Name: why do parasitic eukaryotes such as plasmodium or taenia need such elaborate life cycles 36257
Uploaded: 2021-12-04T22:18:13-08:00
Duration: 3 min 26 s
Channel: Joanna Quigley
Description: why do parasitic eukaryotes such as plasmodium or taenia need such elaborate life cycles 36257

Step 1:** Eukaryotic parasites such as Plasmodium or Taenia have elaborate life cycles because t

Why do parasitic eukaryotes such as plasmodium or taenia...

Transcript

00:01 Why do parasitic ocarotocerotes have such elaborate life cycles? so, ocarotic parasites, they tend to have multiple stages in multiple hosts.

00:12 Like, one example is they'll have a definitive host where they reach sexual maturity.

00:20 So reach adulthood and have sexual reduction.

00:26 And then they have intermediate hosts.

00:29 Intermediate hosts where they undergo some other part of their life cycle.

00:35 So they undergo development that isn't involved in sexual reduction.

00:39 So if we're looking at malaria, for example, palsodium -parum, the human is the definitive host, and the mosquito is the intermediate host.

00:57 So why? why do this? what's the points? well, the intermediate host, this is a great place for the parasite to hide out.

01:06 So it's protected from the environment.

01:10 And it's very easy to live in mosquitoes.

01:13 Another benefit is if you have the right host, as plasmodium phosphorus does, it increases spread to the definitive host.

01:24 Because in this case of plasmodium, the mosquito is biting humans.

01:30 So that's great.

01:31 In the case of tania, the tapeworm, people are eating cattle, and that means it's a really good way to get lots of people eating the cattle to spread the tape one to its definitive host again.

01:48 So a lot of the time, the intermediate host is great for hiding from the environment and for spreading...

Question

Why do parasitic eukaryotes such as Plasmodium or Taenia need such elaborate life cycles?

Question

Why do parasitic eukaryotes such as Plasmodium or Taenia need such elaborate life cycles?

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