10 Questions
What is a parasite?
An organism that feeds from and harms another organism.
What are endoparasites?
Parasites that feed in a living host.
Give an example of an endoparasite.
Liver fluke.
What are ectoparasites?
Parasites that feed on the outside of the host.
Give an example of an ectoparasite.
Fleas.
How do parasites differ from predators?
They are smaller, often attack from within, and are dependent on one particular host.
What is symbiosis?
A close relationship between two organisms of different species in which at least one of them benefits.
How does symbiosis affect the numbers of both species?
It increases the numbers of both species.
What is mutualism?
A type of symbiosis where both organisms benefit.
What are the characteristics of parasites in relation to their hosts?
They only do a small amount of damage to the host so as not to harm their food source or home.
Test your knowledge on the different types of competition among plants and animals! Learn about intra-specific and inter-specific competition and how it impacts population numbers. Explore the competitive strategies of grass, dandelion, buttercup, daisy, fox, thrush, hedgehog, blackbirds, and thrushes.
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