BIOS 195 Quiz (Latest 2024 / 2025) Questions & Answers with rationales

SUBSCRIBE BIOS 195 quiz 1. Ecology –Answer the study of how organisms relate to one another and to their environ - ments 2. biotic environment –Answer the living organisms within an area, often referred to as a community 3. abiotic environment –Answer nonliving parts of an ecosystem 4. Key elements of the abiotic environment –Answer temperature, water, sunlight, soil 5. Biosphere –Answer Consists of all life on Earth and all parts of the Earth in which life exists, including land, water, and the atmosphere. Global processes 6. Ecosystem –Answer A biological community of interacting organisms and their physical environment. energy flux and cycling of nutrients 7. Community –Answer A group of interdependent organisms inhabiting the same region and interacting with each other. Interactions among populations. 8. Population –Answer A group of individuals that belong to the same species and live in the same area. population dynamics; the unit of evolution SUBSCRIBE 9. Organism –Answer An individual living thing. survival and reproduction; the unit of natural selection 10. homeostasis –Answer a steady -state internal environment regardless of external envi- ronment 11. conformers –Answer conform to the environment in which they live 12. advantages to homeostasis –Answer has survival value because it means an animal can adapt to a changing environment 13. disadvantages to homeostasis –Answer requires the organism to invest effort into maintaining internal stability 14. biologists use a domain grouping system –Answer 3 15. What are the 3 domains of life? –Answer Bacteria, Archaea, Eukarya 16. Eukarya –Answer domain consisting of all organisms that have a nucleus; includes protists, plants, fungi, and animals 17. plant life cycle –Answer alternation of generations 18. sporophyte –Answer SUBSCRIBE Diploid, or spore -producing, phase of an organism. Makes haploid spores by meiosis. 19. gametophyte –Answer The stage in the life cycle of a plant in which the plant produces gametes, or sex cells. haploid 20. sporophyte produces haploid spores by –Answer meiosis 21. spores divide producing the gametophyte –Answer mitotically 22. gametophytes create gametes via –Answer mitosis 23. gametes fuse to form the –Answer diploid sporophyte 24. alteration of generations in plants –Answer as we go through evolutionary time, the sporophyte becomes more important 25. Algae –Answer general term for autotrophic eukaryotes that lack embryos. Green are ancestors of land plants 26. adaptations from water to land –Answer 1. protection from drying out (desiccation) by a waxy cuticle and stomata 2. Evolution of leaves which increase photosynthetic surface area 3. shift to a dominant vertical diploid generation 4. evolution of vascular tissue (in some)