Parasitic relation is the ecological relationship that includes parasites living off the host. In this one species gets benefitted while the other gets harmed.
<h3>What is parasitism?</h3>
Parasitism is a type of ecological relationship in which a parasite lives off the host body internally or externally to get benefitted. The host is in harm but the parasite gets benefitted.
The host provides benefits like protection, shelter, food to the parasite living off its body at its own expense. The host can get harmed by the parasite by getting a disease.
Therefore, one organism gets benefitted while the other is harmed.
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That would be sexual reproduction, where genes of both parents are passed down to the offspring.

The greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. The absorbed energy warms the atmosphere and the surface of the Earth.
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Answer:
Explanation:
Abstract. The use of antibiotics in food animals selects for bacteria resistant to antibiotics used in humans, and these might spread via the food to humans and cause human infection, hence the banning of growth-promoters.
Answer:
A) Education Websites
Explanation:
Because generally websites, are signed by an author that will also state sources to their information for verifcation.