Cold Spring Harbor Laboratory
Sex Cells Have One Set of Chromosomes; Body Cells Have Two
What's the difference between body cells and sex cells? Learners explore the question and the process of meiosis using an interactive lesson. An animation describes the discovery of meiosis and describes its phases for a detailed and...
Biology Junction
Cellular Division
Based on current scientific knowledge, all cells come from preexisting cells. Scholars learn about cell division, cell replication, mitosis, meiosis, and more with a PowerPoint. It describes the differences between prokaryotes and...
Curated OER
Relating Structure to Function in Cells
Twelfth graders investigate specialized structures in both plants and animals. They relate structure to function, as they determine why the specialization is necessary and useful to the living organisms involved. They use microscopes...
Curated OER
Regents High School Examination: Living Environment 2009
Emerging ecologists need a full understanding of life, from the inner workings of a cell to the complex relationships among organisms. This examination is meant to assess high schoolers after an entire year course on the living...
Curated OER
Regents High School Examination: Living Environment 2007
Environmental science enthusiasts show what they know at the end of the year by taking this full-fledged final exam. They answer multiple choice, graph interpretation, and essay analysys questions, 73 of them in all. Topics range from...
Curated OER
Human Reproductive Cells Quiz
Quiz your learners on human reproductive cells using this terminology assessment tool! Choose 1 of 2 options: have students play online, or make copies of the paper version. The advantage to playing the online matching game is its...
Serendip
Genetics
A handout on genetic inheritance begins with a reading on alleles and how they can result in albinism. Junior geneticists learn to complete Punnett squares and participate in a coin toss simulation of allele pairing. They also learn...
Curated OER
7th Science Quiz
This seventh grade life science quiz has a professional appearance and well-written multiple-choice questions. However, it seems to cover too broad a variety of biology topics for only 15 questions to fully assess. There is one question...
Curated OER
Meiosis
Using yarn and chenille stems, lab groups collaborate to model mitosis and meiosis. Brief background information and a vaguely written procedure comprise this outline. More instruction needs to be provided to learners about cell division...
Curated OER
Reviewing Mitosis/Mitosis
There are technically two presentations in this collection of slides. The first presentation is a single-slide comparison of plant cell division and animal cell division. The second focuses on the steps of meiosis and the genetic...
Serendip
Mitosis, Meiosis and Fertilization Vocabulary Review Taboo Game
Can you describe a gamete without using the words sperm or egg? Scholars play a vocabulary review game where they try to get other players to guess their words. Each card has the target word as well as two related words they must not...
Curated OER
Sexual Reproduction and Meiosis
In this biology worksheet, 9th graders label each of the diagrams representing the stages of meiosis. Then they describe how gametes vary from other cells in the body. Students also explain what happens during the process of fertilization.
Curated OER
TE Lesson: What's Dominant?
Students study the number of chromosomes in the body cells, sperm cells, and egg cells of humans. They define allele, and examine the difference between dominant and recessive alleles. They complete an activity with jelly beans that...
Curated OER
Meiosis Starts With?
How do you fill in the blanks about meiosis? With this handout! Most of the blanks have a letter filled in to give learners a hint. This resource is a good way for young biologists to ensure they have learned all the necessary vocabulary...
Curated OER
Zebrafish Development
Students examine the early development of zebrafish as a model for embryo development in humans. They observe various stages of zebrafish reproduction from sperm and eggs to fertilized eggs and hatchlings.
Curated OER
Fertilization to Birth
In this fertilization worksheet, learners complete 10 short answer questions about the phases of fertilization then place 6 events of fertilization in the appropriate order on a timeline.
Curated OER
EGG MAZE: COUNTING BY TWOS, THREES AND FIVES
Students successfully count by twos, threes and fives, using pictures of eggs and poultry as points of interest. They orally review the types of counting (twos, threes, or fives). Students are introduced the idea of a dozen eggs.
Curated OER
investigating and Modeling Sea Urchin Fertilization and Development
High schoolers begin by using clay to model fertilization and early development of sea urchins and chordates. They move on to mixing live sea urchin sperm and ova together to observe, diagram and record events occurring in fertilization...
Curated OER
Cell Growth and Division Vocab
A vocabulary note-taking handout for the processes surrounding mitosis and meiosis. This is a Word document, so if formatting consistency matters to you, editing will be easy. A few of the words have definitions pre-populated, so...
Curated OER
More on Meiosis
In this meiosis worksheet, students fill in the blank that describes the process of meiosis. Students also draw the process of meiosis.
Curated OER
Breaking News English: Laboratory-Created Eggs and Sperm
In this English worksheet, students read "Laboratory-Created Eggs and Sperm," and then respond to 47 fill in the blank, 7 short answer, 20 matching, and 8 true or false questions about the selection.
Curated OER
Reproduction and Development
In this human reproduction worksheet, high schoolers will review the male and female anatomy and the hormones involved in the development towards sexual maturity. Students will also review the events that occur during the three phases of...
Curated OER
Human Reproductive System
Teenagers take on the human reproductive systems when viewing this presentation. Labeled diagrams of each are displayed, along with one of a fetus in utero. Presented in bullet-point fashion are facts about the formation of sperm and egg...
Curated OER
Matching Flowers With Their Pollinators
Middle schoolers match flowers to pollinators and construct models of
flowers to demonstrate why different kinds of flowers need different kinds of
pollinators. They use their flower models and the "Scientific Method Format" included in...