Unit 1 · BIO.1A
Practice one lesson at a time, or run the full unit review to get your completion code. Multiple-choice questions check as soon as you tap. Sorting, ordering, matching, and fill-in questions check when you press Check answer. Read the explanation, then go on with Next.
1.0Scientific Method & the Origin of Life · BIO.1A — Designing a fair test, identifying variables, and the experiments that disproved spontaneous generation.1.1Characteristics of Life · BIO.1A.1 — Develop criteria to tell living things from nonliving things.1.2Cell Theory · BIO.1A.2 — The tenets of cell theory and the contributions of Hooke, Schleiden, Schwann, and Virchow.1.3Cellular Organization · BIO.1A.3 — Cells to tissues to organs to organ systems to organism.1.4Viruses: Living or Nonliving? · BIO.1A.4 — Use evidence to support whether a virus is living or nonliving. Scientists still argue about this, so sort the evidence carefully.Answer choices and cards shuffle on every attempt. Keyboard: number keys or A–D pick a choice, Enter checks, and the right arrow moves on. Your completion code includes your name, the review title, and your score.