Exploratorium
Exploratorium: Microscope Imaging Station: Cell Development
This interesting site provides videos and photos of cells going through the process of cell division. Observe Zebrafish development and Sea urchin embryo cell division in video format.
Ducksters
Ducksters: Biology for Kids: Cell Division and Cycle
A site about cell division and the cell cycle in the science of biology including mitosis, meiosis, and binary fission.
CK-12 Foundation
Ck 12: Life Science: Human Egg Cells
[Free Registration/Login may be required to access all resource tools.] When a baby girl is born, her ovaries contain all of the eggs they will ever produce. But these eggs are not fully developed. They develop only after she starts...
BiologyWise
Biology Wise: What Is a Haploid Cell?
Explains what haploid cells are and the role they play in reproduction.
BBC
Bbc: Gcse Bitesize: Cell Division
Chromosomes carry genetic information in a molecule called DNA. A type of cell division called mitosis ensures that when a cell divides each new cell produced has the same genetic information. Links to a video and a test are provided.
BBC
Bbc: Gcse Bitesize: Mitosis and Cell Specialisation
This lesson focuses on cloning. Plants can make identical copies of themselves by asexual reproduction, for example by tubers and runners. Humans have been cloning plants for years and have recently started to develop techniques to clone...
TeachEngineering
Teach Engineering: Viral Hijackers
Students learn how viruses invade host cells and hijack the hosts' cell-reproduction mechanisms in order to make new viruses, which can in turn attack additional host cells. Students also learn how the immune system responds to a viral...
Estrella Mountain Community College
Flowering Plant Reproduction: Fertilization and Fruits
Provides information and illustrations of the reproduction process in flowers. Learn more about flowers, double fertilization, seeds, fruit and vegetative propagation.
Cells Alive
Cells Alive: Bacterial Growth
This site provides a brief explanation of how bacteria cells grow and why they do not over run the earth. View actual bacteria growing by way of a time lapse movie.
CK-12 Foundation
Ck 12: Meiosis
[Free Registration/Login may be required to access all resource tools.] How do you make a cell with half the DNA? Meiosis. This activity outlines the phases of meiosis, provides an overview of sexual reproduction, and describe how...
PBS
Pbs Learning Media: Mitosis and Meiosis Compared
Meiosis is used to make sperm and egg cells. During meiosis, a cell's chromosomes are copied once, but the cell divides twice. During mitosis, the chromosomes are copied once, and the cell divides once. For simplicity, cells are...
National Geographic
National Geographic: Blog: Tiny Critter Has Seven Sexes
Meet the freshwater Tetrahymena, a single-celled creature that has seven possible sexes. This article presents information from recent research that helps explain how the creature reproduces and how its sex is determined.
Bio Topics
Bio Topics: Cell Division and Chromosomes
An information sheet where students fill in the appropriate words to complete the page on cell division. Also included on page is diagrams of binary fission and cell division.
University of Utah
University of Utah: Genetic Science Learning Center: The Basics and Beyond
This website offers a clear definition of the science of Genetics, highlighting DNA and genes. There is a neat, easy-to-understand animated tour of the basics and an opportunity to go inside an animated cell. Student can build a DNA...
Biology 4 kids
Biology4 Kids: Meiosis It's for Sexual Reproduction
This informational text breaks down the progression of meiosis into a few simple steps.
San Diego State University
Sdsu: Lesson 2.5: How Do Organisms Reproduce? Meiosis
This site will allow students to grasp the complex concept of meiosis by modeling the process with clay.
BiologyWise
Biology Wise: Process of Spermatogenesis Explained
Describes how sperm cells are formed through the process of spermatogenesis and some factors that can negatively affect sperm formation.
Other
Mitosis Meiosis Test
This is a cell biology course exam for mitosis and meiosis. Answers are NOT provided.
Estrella Mountain Community College
Estrella Mountain Community College: Flower Structure
Site covers all aspects of plant reproduction such as life cycles, angiosperms and flowers. Provides links to other sites to aide in research.
CK-12 Foundation
Ck 12: Biology: Human Egg Cells
[Free Registration/Login may be required to access all resource tools.] Describes how eggs are produced.
Cornell University
Cornell University: Meiosis in Lily Anther Microsporocytes
This cell biology page is illustrated with photographs of plant meiosis taking place in a cell.
Khan Academy
Khan Academy: Frog Development Examples
How do you build a frog from a single cell? Learn how body axes are established and nerve tissue is induced in frog embryos.
BBC
Bbc: Gcse Bitesize: Dna, Genes and Chromosomes
Chromosomes are made from DNA. Genes are short sections of DNA. Genetically identical cells are produced by a type of cell division called mitosis. In sexual reproduction, a male gamete fuses with a female gamete to produce a new cell....
CK-12 Foundation
Ck 12: Life Science: Meiosis
[Free Registration/Login may be required to access all resource tools.] Sexual reproduction combines gametes from two parents. Gametes are produced by a special type of cell division known as meiosis. Meiosis contains two rounds of cell...
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