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A parasite can obtain food only from a host organism. Explain why most parasites weaken but do not kill their hosts.?
Suicide is a poor survival technique.
Do parasites kill hosts?
If they are successful then they don't.
Are dogs hosts or parasites?
Dogs are not parasites because parasites suck the blood of other animals. Dogs are hosts to various parasites, such as ticks and fleas.
Parasites that live inside their hosts?
endoparasites
How are predators and parasites different?
Predation is different from parasitism in that predators kill their prey before consumption. Parasites must keep their hosts alive in order to continually feed off of them.
Do parasites help their hosts?
They don't.
How do parasites help their hosts?
Most parasites don't kill their hosts, because it doesn't take all the nutrients from the host. It only needs a certain amount of nutrients. So it will cause some bad effects on host, but it won't cause complete destruction.
How are Predation and parasitism similar?
Predation and parasitism are similar because they both involve one organism feeding off of other organisms. They're different because predators kill their prey, while parasites may harm their hosts but won't kill them.
Do parasites co-evolve with their hosts?
Yes
How are parasites able to recognize their hosts?
Parasites identify a specific host cell that they can partner with.
How are parasites and their host similar to predators and their prey?
Parasites feed off their hosts. Predators feed off their prey. Difference is that parasites want to keep their hosts alive so they can continue to feed off them.
Parasites that live on the external surface of their hosts?
ectoparasites
