Across
- 2. a relationship between individuals of two species in which one species obtains food or other benefits from the other without either harming or benefiting the latter
- 4. a seamount with a flat top
- 7. an organism that takes inorganic chemicals and transforms it into energy.
- 9. also known as the 'wolves of the sea'
- 11. the study of organisms and how they interact with the environment around them
- 15. a relationship in which both species are mutually benefited
- 16. a relationship between different species in which one organism lives on or in the other organism and benefits from it by causing some harm
- 17. an organism, often a bacterium, fungus, or invertebrate that feeds on and breaks down dead plant or animal matter, making organic nutrients available to the ecosystem.
- 18. an organism that can produce its own food using light, water and carbon dioxide
- 20. an organism that mostly feeds on plants
- 21. an organism that cannot produce its own food and must eat other plants and/or animals to get energy
Down
- 1. the rich variety of life on Earth
- 3. an underwater mountain with steep sides rising from the seafloor
- 5. animals that live on or near the bottom of the ocean
- 6. a biological interaction where one organism, the predator, kills and eats another organism, its prey
- 8. of, relating to, or living or occurring in the open sea
- 10. an organism that consume dead and decaying organic matter known as detritus to obtain energy and nutrition
- 12. an organism that eats other plants or animals for energy and nutrients
- 13. an organism that mostly eats meat, or the flesh of animals
- 14. a community of living organisms (plants, animals, and microorganisms) interacting with each other and their physical environment
- 19. the biogeographic realm consisting of the deep sea, lacking higher plant life because of the absence of light, and occupied chiefly by carnivorous animals
