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Biology: explore STEM content (page 9 of 50) · openstem

All fields Software Mathematics Physics Chemistry Biology Engineering Astronomy Environmental Other Biology Biology groups

Explore STEM Content

Search the community's STEM library — free to study, yours to make your own.

Biology

Cells, genetics, ecology and physiology on openstem — flashcards, notes, quizzes, sketches and flowcharts shared by the community. Study free, or clone anything into your library.

Content Groups1

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Collection5 items

01Biology · L2 · What Is Melanin?

02Biology · L2 · Melanin: Sun Protection and Inheritance

03Biology · L2 · Skin Color and Melanin Quiz

+2 more

Biology

Biology · L2 · Skin Color and Melanin

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Biology · L2 · Skin Color and Melanin

Quiz5 questions

A hydra grows a small new individual as an outgrowth on its body, which later detaches. What is this process called?

AFragmentationBBuddingCParthenogenesisDSexual reproduction

Biology

Biology · L3 · Asexual vs. Sexual Reproduction Quiz

@openstem

Biology · L3 · Asexual vs. Sexual Reproduction Quiz

Note~1063 words · 5 min

Respiratory Physiology Respiratory physiology examines how the mechanical act of breathing moves air, how gases cross into and out of the blood, and how the nervous system continuously adjusts breathing to match the body's metabolic demands

Biology

Biology · L4 · Respiratory Physiology

@openstem

Biology · L4 · Respiratory Physiology

Flowchart9 objects

Biology

Biology · L3 · How a Pest-Resistant GMO Crop Is Made

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Biology · L3 · How a Pest-Resistant GMO Crop Is Made

Collection4 items

01Biology · L2 · Ecosystem Vocabulary: Smallest to Biggest

02Biology · L2 · Major Biomes of the World

03Biology · L2 · Ecosystems and Habitats Quiz

+1 more

Biology

Biology · L2 · Ecosystems and Habitats

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Biology · L2 · Ecosystems and Habitats

Quiz5 questions

Butyrate, produced by bacterial fermentation of dietary fiber, is primarily important to host health because it:

AIs toxic to colonocytes and triggers their turnoverBServes as the primary energy source for colonocytes and supports epithelial barrier integrityCIs absorbed unchanged into the bloodstream without any local effectDDirectly encodes new host genes

Biology

Biology · L4 · Human Microbiome Quiz

@openstem

Biology · L4 · Human Microbiome Quiz

Collection4 items

01Biology · L2 · The Skeleton

02Biology · L2 · Muscles at Work

03Biology · L2 · Bones and Muscles

+1 more

Biology

Biology · L2 · Bones and Muscles

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Biology · L2 · Bones and Muscles

Note~458 words · 2 min

Ecology, evolution, and the web of life Ecology and evolution are inseparable: ecological interactions drive natural selection, and evolutionary changes reshape ecological communities. Together they explain how life is distributed, why biod

Biology

Biology · L4 · Ecology, evolution, and the web of life

@openstem

Biology · L4 · Ecology, evolution, and the web of life

Flowchart7 objects

Biology

Biology · L2 · Cell Organelles at a Glance · flowchart

@openstem

Biology · L2 · Cell Organelles at a Glance · flowchart

Collection5 items

01Biology · L2 · The Heart

02Biology · L2 · Blood and Blood Vessels

03Biology · L2 · Simplified Blood Flow Loop

+2 more

Biology

Biology · L2 · The Circulatory System

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Biology · L2 · The Circulatory System

Quiz5 questions

Why do people have two eyes instead of one?

ASo one eye can rest while the other worksBSo the brain can judge how far away things areCSo eyes can change colorDSo people can see in the dark

Biology

Biology · L1 · Your Five Senses Quiz

@openstem

Biology · L1 · Your Five Senses Quiz

Note~212 words · 1 min

What Is DNA? A First Look DNA (deoxyribonucleic acid) is a long molecule found inside the cells of nearly every living thing. If you could zoom in close enough, you'd see it isn't shaped like a straight strand — it's twisted into a long spi

Biology

Biology · L2 · What Is DNA? at a Glance

@openstem

Biology · L2 · What Is DNA? at a Glance

Flowchart12 objects

@openstem

Biology · L2 · Flowers, Pollination, and Seeds

Note~251 words · 1 min

How Migrating Animals Navigate Many species travel enormous distances during migration — thousands of kilometers in some cases — and arrive with striking precision. That precision comes from a handful of well-studied sensory mechanisms, oft

Biology

Biology · L3 · How Migrating Animals Navigate

@openstem

Biology · L3 · How Migrating Animals Navigate

Flowchart9 objects

Biology

Biology · L5 · Chromatin and 3D Genome Organization · flowchart

@openstem

Biology · L5 · Chromatin and 3D Genome Organization · flowchart

Flowchart15 objects

Biology

Speciation Mechanisms · flowchart

@openstem

Speciation Mechanisms · flowchart

Flowchart5 objects

Biology

Biology · L2 · Skin Color and Melanin Quiz · flowchart

@openstem

Biology · L2 · Skin Color and Melanin Quiz · flowchart

Collection4 items

01Biology · L4 · Mendelian and Non-Mendelian Inheritance Patterns

02Biology · L4 · Classical Genetics and Inheritance Patterns Quiz

03Classical Genetics and Inheritance Patterns

+1 more

Biology

Biology · L4 · Classical Genetics and Inheritance Patterns

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Biology · L4 · Classical Genetics and Inheritance Patterns

Flowchart12 objects

Biology

Biology · L3 · Human Nutrition: Fueling the Body · flowchart

@openstem

Biology · L3 · Human Nutrition: Fueling the Body · flowchart

Flashcards9 cards

What does it mean when scientists say they've 'discovered' a new species?1 / 9

It means they've found a living thing that doesn't match any species already described in science. It might be totally unknown, even if people living nearby have known about it for generations.

Biology

Biology · L2 · Discovering a New Species

@openstem

Biology · L2 · Discovering a New Species

Collection5 items

01Biology · L1 · Fur and Feathers

02Biology · L1 · Scales and Skin

03Biology · L1 · Animal Coverings Quiz

+2 more

Biology

Biology · L1 · Animal Coverings

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Biology · L1 · Animal Coverings

Flashcards9 cards

What are gibberellins, and what is their main effect on stem growth?1 / 9

Gibberellins are a group of plant hormones best known for promoting stem elongation — they stimulate cell division and cell elongation in stems, making plants grow taller. Plants that lack gibberellins, or can't respond to them, stay short and stubby.

Biology

Biology · L3 · Gibberellins and Ethylene

@openstem

Biology · L3 · Gibberellins and Ethylene

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