Question

Predator and parasites are similar in that both can categorized by which interaction

Answer 1

Answer:

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A predator-prey relationship is between two animal species —one kills and eats the other. Not all sources include this as a type of symbiosis, arguing it is different from the three other types of symbiotic interactions between organisms. Parasitism involves a parasite living on or in an organism.

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Answer 2

Answer:

Predator:

Let’s start with predators. Like parasites, predators are organisms that acquire energy by taking that energy from other organisms. Therefore, we have a relationship that positively affects one organism (the predator) and negatively affects the other organism (the prey). Predators have these important characteristics:

1) One predator eats multiple prey during the predator’s lifetime.

2) Predators tend to be bigger than their prey.

3) Predators tend to kill their prey.

Parasite:

Parasites are different from predators because parasites only take resources from one host, whereas predators eat many prey. A good example of this is the trematode parasite Schistosoma mansoni. An adult schistosome parasite lives inside of just one human host. It is never going to crawl out and go infect a different human.

You might be thinking, “Waaaaait… Schistosoma mansoni has a complex life cycle! It infects humans AND snails! That’s two hosts!” Yep. But the rule is that parasites only infect one host during each stage of the life cycle. One human. One snail.

Here are some other common characteristics of parasites:

1) They are smaller than their hosts.

2) They don’t usually kill their hosts.*