Ancient Lights Media
Sexual Reproduction in Flowering Plants: The Development of the Ovum (Egg)
Plant Reproduction Set: 4. This clip explains the complex process by which an ovum is produced in the ovule of a flower.
Nature League
What Are Invertebrates? - Lesson Plan
In this Nature League Lesson Plan, Brit introduces the invertebrates of Earth, including their names, relationships, forms, and awesomeness.
Getty Images
MCU Newly laid frogspawn, tilt up to more mature frogspawn, Underwater, England
MCU Newly laid frogspawn, tilt up to more mature frogspawn, Underwater, England
Getty Images
CU Female Common Frog (Rana temporaria) laying cluster of eggs as male fertilises them, underwater, England
CU Female Common Frog (Rana temporaria) laying cluster of eggs as male fertilises them, underwater, England
Getty Images
CU Pan right, Common Frogs (Rana temporaria) mating underwater, England
CU Pan right, Common Frogs (Rana temporaria) mating underwater, England
Getty Images
CU High angle, Common Frogs (Rana temporaria) mating, England
CU High angle, Common Frogs (Rana temporaria) mating, England
Getty Images
MCU Tadpoles developing within frogspawn, England
MCU Tadpoles developing within frogspawn, England
Getty Images
MS Pan left, Frogspawn floating at water surface, England
MS Pan left, Frogspawn floating at water surface, England
Getty Images
BCU pollen falls off Ash (Fraxinus sp.) flower
BCU pollen falls off Ash (Fraxinus sp.) flower
Curated OER
Life Cycle of a Flowering Plant
The development of the male and female gametes in a plant is illustrated, explaining plant fertilization, pollination, and reproduction. Overall, get a complete picture of the life cycle of a flowering plant with some wonderful details...
Curated OER
Genetics
Has your class finished its unit on genetics? Use this resource to provide a quick, encompassing review. Mr. Anderson discusses DNA, RNA, nucleotides, mitosis, meiosis, diploids, haploids, gametes, gene expression, etc. Create a...
Khan Academy
Khan Academy: Biology: Mitosis, Meiosis and Sexual Reproduction
An overview of sexual reproduction and how mitosis and meiosis occur to form a particular species. [18:23]
McGraw Hill
Mc Graw Hill: Animation: How Meiosis Works
Descriptive cell-cycle animation illustrating the cellular processes of meiosis.