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Biology 100: Exam #1 (Ekdale, SDSU) 2025 Questions and Answers What is Biology characterized by? - ....ANSWER ...-Reproduction, growth and development, cells, order, energy use, response to the environment, and evolution. Ecology - ....ANSWER ...-Scientific study of interactions among organisms and between biotic (living) and abiotic (nonliving) organisms and their environment How does the ecosystem process energy? - ....ANSWER ...-Energy flows into the ecosystem from the sun, solar energy is then converted into chemical energy from producers. Biogeochemical cycling - ....ANSWER ...-Cycling of nutrients from abiotic to biotic sources through biological, geological, and chemical processes. Greenhouse effect - ....ANSWER ...-Natural situation in which heat is retained in Earth's atmosphere by carbon dioxide, methane, water vapor, and other gases Consequences of global warming - ....ANSWER ...-Warming waters, rising sea levels, extreme weather events, and ocean acidification. Carbon Residence Time - ....ANSWER ...-The amount of time carbon stays in the atmosphere. Approximately 200 years Population - ....ANSWER ...-A group of individuals that belong to the same species and live in the same area …FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1