Biodiversity: The variety of life forms in a particular ecosystem or on Earth as a whole, including the diversity of species, genetic variation within species, and diversity of habitats and ecosystems.
Ecosystem: A biological community of interacting organisms and their physical environment.
Habitat: The specific environment in which a species lives, including all the biotic and abiotic factors that support its existence.
Adaptation: The process by which a species evolves over time to better suit its environment, increasing its chances of survival and reproduction.
Variation: The differences in traits or characteristics among individuals within a species, which can be genetic or environmental in nature.
Pathogen: A disease-causing organism, such as a virus, bacteria, fungus, or parasite, that can infect and harm other living organisms.
Define these terms: biodiversity, ecosystem, habitat, adaptation, variation., pathogen.
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