Of course they have. Only some virus lack them
Flies are not parasites.
No, parasites can be both invertebrates and vertebrates. Some examples of vertebrate parasites include tapeworms and lice, while examples of invertebrate parasites include ticks and fleas.
No, bacteria and parasites are different types of organisms. Bacteria are single-celled microorganisms that can be beneficial or harmful, while parasites are organisms that live on or inside another organism (the host) and rely on the host for nutrients and shelter. Parasites can be bacteria, but not all bacteria are parasites.
Fleas, ticks and leeches are 3 common parasites
Of course they have. Only some virus lack them
No - they are not parasites.
No, parasites are not endangered.
No, penguins are not parasites
parasites
Flies are not parasites.
The rare changes in DNA are called mutation ... BUT genetic diversity results from the shuffling of paired genes in normal sexual reproduction. Sex was "invented" to foil parasites, even before two different sexes were developed.
Yes, mosquitoes are parasites.
Yes, parasites vary
Some bugs are parasites
Yes, cockatiels can get parasites.
What are your parasites suffering from?