Certain parasites,such as intestinal tapeworms,cannot survive outside of the host.Why are they still considered alive?
A) Survival outside of a host is not a requirement for life.
B) They are still considered alive because they are studied by biologists, and biology is the study of life.
C) As long as they are made of cells, they are considered to be alive.
D) Because they cannot survive outside of the host, parasites are not considered alive.

Question

Quizplus · Accepted Answer

Survival outside of a host is not a requirement for life. There are many organisms that cannot survive outside of a certain environment or without a specific host, but they are still considered alive as long as they meet the criteria for life - such as having cells, metabolism, and the ability to reproduce.

Certain Parasites,such as Intestinal Tapeworms,cannot Survive Outside of the Host