Class Notes (835,340)
Canada (509,114)
Biology (475)
BIOL 200 (63)
Mary Silas (53)
Lecture

Parasites and Parasitism

1 Page
68 Views
Unlock Document

Department
Biology
Course
BIOL 200
Professor
Mary Silas
Semester
Fall

Description
Parasites and Parasitism  Parasites (endo-) or (ecto-) feed on living organisms while causing harm  They gain benefits from them (e.g. unlimited supply of nutrients, H2O, constant temp)  Can be bacteria, protoctists, viruses, fungi, arthropods, platyhelminthes  Have structural and functional adoptions to their lifecycle o Specialised reproductive strategies o Modification of mouthparts, digestive enzymes and enzymes to allow attachment to the host and utilisation of host's food supply, blood or tissues o Resist attack by immune system o Reduction of unnecessary sensory organs and locomotory organs in the adult stage, as they live in protected, optimum conditions Plasmodium (Malarial parasite)  Single celled, intracellular parasite of the kingdom Proctista (class protozoa) o Development requires 2 hosts for its lifecycle o Female mosquito (unaffected) and human (affected) o Parasite is transferred by bites from the female mosquito o Mosquito releases anti-coagulants when piercing skin / prevents blot clotting o Parasites is injected into human in the form of sporozoites o If the human is infected with the mala
More Less

Related notes for BIOL 200

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit