science

• Parasitism


  An interaction that benefits one organism and harms the other
• Parasitism


  • Tapeworm lives in the human intestine and absorbs nutrients
  • Lice suck the blood of humans and animals
• Commensalism


  Interaction between two organisms which only benefits one organism without harming or benefitting the other
• Commensalism


  • Remora fish latches on the Shark and gets its food from scraps scattered by its host
  • Bird's nest fern grow in between the branches of tree to get sunlight
• Prey-predator


  One organism eats another organism
• Competition


  Happens when organisms in one habitat compete for limited supply of basic needs such as light, space, water, food and mates