Biology

IXL offers dozens of Biology skills to explore and learn! Not sure where to start? Go to your personalized Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, state standards, or standardized test.

IXL offers dozens of Biology skills to explore and learn! Not sure where to start? Go to your personalized Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, state standards, or standardized test.

B. Lab equipment and safety

  1. 1
    Identify parts of a light microscope

C. The chemistry of life

  1. 1
    Chemistry of water
  2. 2
    Properties of water: cohesion and adhesion

F. Cellular transport

  1. 1
    Structure and function of the cell membrane
  2. 2
    Types of passive transport
  3. 3
    Osmosis
  4. 4
    Active transport

G. Multicellular organisms

  1. 1
    Organization in the human body: the heart and the circulatory system
  2. 2
    Homeostasis and feedback loops

H. Cell energy

  1. 1
    The chemistry of photosynthesis
  2. 2
    The chemistry of cellular respiration
  3. 3
    Aerobic cellular respiration, anaerobic cellular respiration, and fermentation

I. Cell growth and division

  1. 1
    Introduction to cell division
  2. 2
    The cell cycle
  3. 3
    Describe phases of mitosis and the cell cycle
  4. 4
    Identify phases of mitosis and the cell cycle in plant cells

J. DNA

  1. 1
    Introduction to the genetic code
  2. 2
    DNA replication

L. Meiosis and sexual reproduction

  1. 1
    Sexual reproduction and genetic variation: part I
  2. 2
    Sexual reproduction and genetic variation: part II
  3. 3
    The phases of meiosis

O. Classification

  1. 1
    Classify and describe organisms using domains
  2. 2
    Classify and describe eukaryotic organisms

Q. Biodiversity

  1. 1
    Kelp forests: factors affecting biodiversity
  2. 2
    Lake biodiversity and eutrophication: explore a problem