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Big Idea: Cells are derived from cells.

Zoë Ehlert, vêtue d'une blouse de laboratoire blanche, pose une boîte en carton sur une étagère.

Zoë Ehlert

Career Profiles

Manager, Marker Assisted Breeding

I lead a team that develops canola crops by breeding plants with traits we are looking for.
Zoe Ehlert closely examining a plan that has yellow flowers

Zoë Ehlert (Video)

Career Profiles

Manager, Marker Assisted Breeding

I lead a team that develops canola crops by breeding plants with traits we are looking for.
Bee on flower

Can you artificially pollinate a flower?

Hands-on Activities

Design and build an artificial pollinator.

Embryonic stem cells

Resources on Stem Cells

STEM Explained

Resource page including articles and career profiles related to stem cells.

Timothy Burkhart

Query a Career Profile

Lessons

Students will explore career profiles and relate them to what they are learning in science class.

Package of seeds

Seeds and Germination

Backgrounders

Learn what’s inside a tomato seed, how it travels, and all the things it needs to germinate and grow.

Maturation of tomato fruit

The Life Cycle of a Tomato Plant

Backgrounders

Learn about the pollination, fertilization, germination and growth of tomato plants.

Bee on flower covered in pollen

Pollinators are Important!

STEM Explained

Insects and other animals that are pollinators of plants play an important role in ecosystems.

Seeds of a pomegranate fruit

Plant Reproduction

Backgrounders

Learn about pollination and other forms of sexual reproduction in plants. And did you know that plants can also reproduce asexually?

Mitosis of kidney cells © Ian P Newton & Paul L Appleton [CC BY-SA 4.0], Wikimedia Commons

What is Mitosis?

Backgrounders

Mitosis is an important part of cell division that helps organisms grow and repair themselves.

icon of embryo in hands

What if You Could Choose Your Baby?

STEM Explained

Many people have had children using assisted reproductive technologies. But some of these medical biotech techniques can raise some ethical issues.

Cartoon mammoth

Should Scientists Clone Extinct Species?

STEM Explained

Cloning makes it possible to bring extinct species back to life. But is that a good idea?

Down Syndrome karyotype

Meiosis Mistakes

STEM Explained

Errors during meiosis can alter the number of chromosomes in cells and lead to genetic disorders.

Seed Germinating

Plants: Germination

Picture Collections

6 images of some seedlings sprouting as one of the stages towards full plant growth

Fennel Seeds

Plants: Seeds

Picture Collections

6 images of some seeds which are the fertilized part of a plant used for germinating new plants such as fennel, kiwis and pumpkins