3.5

Question 1

What is symbiosis?

Answer 1

Any interaction between two different species

Question 2

What are the two types of symbiosis

Answer 2

Parasitism
Mutualism

Question 3

Describe parasitism

Answer 3

The parasite benefits off its host by obtaining energy and nutrients.
The host is harmed.
Limited metabolism as it relies on host to keep it alive

Question 4

Describe mutualism

Answer 4

Interdependent since two species are mutually dependent upon each other

Question 5

Types of transmission of parasites

Answer 5

Direct contact
Release of resistant stages
Vectors

Question 6

What is direct contact

Answer 6

A parasite passed by physical contact

Question 7

What is the release of resistant stages

Answer 7

Able to survive adverse conditions until contact with new host

Question 8

Describe a vector

Answer 8

Carries a disease from human to human

Question 9

What are the two types of parasitic life cycles

Answer 9

Direct and indirect

Question 10

Describe the direct parasitic life cycle

Answer 10

Eggs shed and passed onto new member of host species

Question 11

Describe indirect parasitic life cycle

Answer 11

Primary host species is site for sex and parasite becomes adapted to employ a secondary host and allows immature parasites to complete life cycle