Parasite And The Evolution Of Parasitism

Question 1

Three types of worms

Answer 1

Acanthocephalans
Nematodes
Platyhelminthes (not a pathogen, those are bacteria and viruses)

Question 2

What are Arthropods?

Answer 2

Ticks and fleas

Question 3

Why did parasites evolve?

Answer 3

Because it gave them a fitness advantage to those evolving a parasitic lifestyle

Question 4

How do we know abrasives evolved many times?

Answer 4

Because they’re in multiple parts of the tree of life.

Question 5

Why are parasites host specific?

Answer 5

It’s advantageous

Better parasitism by specialism

Question 6

What’s the best way to be a parasite?

Answer 6

Better if they don’t harm host but exploit it

Question 7

Define virulent

Answer 7

Harming host

Question 8

Why are parasites virulent (3)

Answer 8

Killing Allows transmission

Reproduction causes harm to the host
-have different genotypes so they need to reproduce to stop competition

Question 9

Therapies (4)

Answer 9

Therapies reduce harm from parasites

Evolutionary consequence (just evolved to change)

Thus the removal or therapy leaves very virulent parasites

AMP (anti microbial resistance)