Hi there i have question about this wwhat are the advantages...

Name: hi there i have question about this wwhat are the advantages of a complex life cycle of a parasite for example tapeworms have to go through many hosts before fully maturing and being able to 07132
Uploaded: 2021-12-04T22:18:13-08:00
Duration: 3 min 26 s
Channel: Joanna Quigley
Description: hi there i have question about this wwhat are the advantages of a complex life cycle of a parasite for example tapeworms have to go through many hosts before fully maturing and being able to 07132

Hi there, I have question about this. w\What are the advantages of a complex life cycle of a parasite? For example, tapeworms have to go through many hosts before fully maturing and being able to reproduce. Why is strategy so successful? Please explain this in a summary so that I can understand it better. Thank you, in advance

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...

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