Across
- 4. an organism in the food chain that feeds on secondary consumers
- 5. All the inhabitants of a given country or area considered together
- 9. bifunctional compounds and the basic structural units/building blocks of proteins
- 10. the process through which nitrogen gas is converted into inorganic nitrogen compounds
- 13. a type of food that comes from a specific type of plant that is also called a legume
- 14. a giant spark of electricity in the atmosphere or between the atmosphere and the ground
- 16. animals that eat plants
- 17. the main type of sugar in the blood and is the major source of energy for the body's cells
- 18. the force that causes things to move
- 19. the pattern of survival and reproduction events during the life of an organism
- 21. any force that affects the size of a population of living things regardless of the density of the population
- 24. the maximum number of individuals that an environment can sustain over time without destroying or degrading the environment
- 26. the natural home or environment of a plant, animal, or other organism
- 28. living or once living components of a community
- 30. the position it occupies in a food web
- 31. a long-term biological interaction (symbiosis) in which members of one species gain benefits while those of the other species neither benefit nor are harmed
- 32. the specific environmental condition occupied by a species or population
- 34. a kind of growth that increases over time, but directly in proportion to the magnitude of the quantity that is growing
- 36. renewable organic material that comes from plants and animals
- 38. organisms that consume other organisms for energy
- 39. the number of each organism at each stage in a food chain.
Down
- 1. any force that affects the size of a population of living things in response to the density of the population
- 2. a bond that is strong and the molecule that contains that bond is likely to be stable and less reactive
- 3. organisms, primarily animals, which eat primary consumers
- 6. describe the movement of chemical elements through different media, such as the atmosphere, soil, rocks, bodies of water, and organisms
- 7. sugar molecules
- 8. a series of chemical reactions that break down glucose to produce ATP
- 11. the energy required by cells to sustain metabolic processes and maintain essential functions
- 12. an organism that can produce its own food using light, water, carbon dioxide, or other chemicals
- 15. a close, prolonged association between two or more different biological species
- 20. a process causing the concentration of a substance (crosses) to increase at higher levels of the food chain
- 22. the reactant that is used up first in a reaction and therefore limits the amount of product that can be formed.
- 23. a clear gas composed of one atom of carbon (C) and two atoms of oxygen (O)
- 25. a long-lasting relationship between individuals of different species harming the hosts
- 27. a form of energy that an object or a particle has by reason of its motion
- 29. a group of similar organisms that are able to reproduce
- 33. without life
- 35. the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar
- 37. large, complex molecules that play many critical roles in the body
- 40. a relationship between organisms in which both species involved benefit to some extent with neither species being harmed.