Are you an XX or an XY? Budding scientists learn about cellular fertilization and the determination of gender in a thorough online lesson. They follow their study with a set of interactive reflection questions.

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...

Uncomplicated and useful, this PowerPoint introduces viewers to the five stages of mitosis. For each stage, there is a slide that lists the main occurrences. Show this as a note-taking guide when you lecture on mitosis to keep your young...

If the only support you are in search of is lists of vocabulary terms, this presentation may fit the bill. Slides simply list terminology. These categories are included: hierarchy of structural organization, cell functions, cell...

Fill- in-the-blank, labeling, and short answer questions make up this well-written cell division worksheet. Neat diagrams of chromosomes and dividing cells are included. Junior biologists show what they know about reproduction, meiosis,...

Through two investigations, life science learners determine whether or not yeast is alive. They perform tests for metabolism by providing sugar and observing if gas is produced as a byproduct. They incubate some of the sample for at...

In only nine months, a small group of cells grows into a fully developed baby. Pupils learn about the development of an embryo to a fetus to a baby. They identify each step of weekly development. Young scientists look at ultrasounds to...

In this how HIV infects cells instructional activity, students read the given information about how HIV infects cells. Students explain the role of various structures in HIV infection. Students design a drug that might slow the rate of...

Tenth graders work in teams to order events of DNA transcription and translation protein synthesis. In the second lesson, they put the steps of mitosis and meiosis in order using a concept map poster. They use modeling clay to create...

Bring the excitement of genetics to scholars with a dynamic hands-on meiosis modeling experience. During the activity, biologists follow step-by-step procedures to build chromosomes, model independent assortment, learn about crossing...

For a plant unit in your biology curriculum, here is a slide show that bestows the basics of plant structure, reproduction, and classification. The information is general. The main point of the lesson is to highlight what characterizes...

In this chromosome worksheet, students answer eighteen questions about chromatids, chromosomes, types of reproduction, haploid and diploid cells and zygotes.

Fifth graders examine the cycle of flower reproduction. They listen to a poem about a bee, observe and examine flowers in small groups, and develop a class KWL chart. Students then read about flower reproduction in their textbook, and...

In this biology worksheet, students examine a diagram of a flower and read a selection that describes all of the parts including the petals, the stamen, the anther, and the sepals. They answer 11 on-line fill in the blank questions using...

Student list the steps of mitosis with a brief definition of each stage. Then they begin their study of meiosis. They practice placing the stages of meiosis in order using flashcards depicting the Prophase, Metaphase, Anaphase, and...

In this reproductive system instructional activity, students compare specimens of rat ovaries and testes. They complete 5 short answer pre-lab questions, follow an 11 step procedure and answer 5 analysis questions.

In this human reproduction worksheet, students 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 the...

This complete worksheet includes short answer and multiple choice questions as well as a Venn diagram for comparing and contrasting mitosis with meiosis. Separate teachers' instructions are supplied. This could be used as homework and is...

In this fungi worksheet, students will review the growth and reproduction of zygomycetes and the characteristics of ascomycotes, basidiomycotes, and deuteromycotes. This worksheet has 15 fill in the blank, 4 short answer, and 8 matching...

Here is an outstanding presentation on protista. It lists general characteristics, and then moves on to describing three different categories of protists. For each, viewers learn physical features, behaviors, and means of reproduction....

Young scholars examine the difference between mitosis and meiosis, and describe the steps involved in meiosis and the significance of each step. They create a diploid nucleus containing two pairs of chromosomes using clay.

Students model and differentiate between the processes of mitosis and meiosis. In partners, they use yarn and construction paper to create models for each of the phases of mitosis and meiosis then compare the chromosome numbers in each...

Students construct various virus models using Fruit loops and Alphabits to represent nucleotides and molecules. They constructs capsomeres using shoes as the capsomeres and discuss various viruses.

In this pregnancy activity, students review the 5 steps of human development from ovulation to implantation plus embryo development. Students also review the 3 stages of birth. This activity has 8 fill in the blank, 4 drawing, and 3...