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Nature of Biology 1 5e VCE Units 1 and 2 & eBookPLUS

Nature of Biology 1 5e VCE Units 1 and 2 & eBookPLUS

Judith Kinnear, Marjory Martin

ISBN: 978-0-730-32751-6

Jan 2016, Jacaranda

220 pages

Select type: Paperback

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Preface x

About eBookPLUS xi

How to use this book xii

Acknowledgements xiv

Unit 1 Area of study 1

chapter 1 Cells: basic units of life on Earth 1

Searching for life 2

Cells: the basic units of life 8

Prokaryotes: no nuclear envelope! 17

Plasma membrane: the gatekeeper 20

Functions of the plasma membrane 25

Crossing the plasma membrane 27

Scientist at work 41

Biochallenge 42

Chapter review 43

chapter 2 Ultrastructure of cells 47

First life on Earth 48

Biologist at work 51

Tools for viewing cells 52

Ultrastructure of eukaryotic cells 57

Putting it together 75

The Endosymbiosis Theory 76

Biochallenge 80

Chapter review 81

chapter 3 Energy transformations 83

Death at a nightclub 84

Requirements for life 85

Energy is needed for living 86

Organic molecules are needed for life 96

Radiant energy of sunlight 99

Photosynthesis: from sunlight to sugar 102

Living in darkness 108

Cellular respiration: energy transfer from glucose to AT P 112

Biochallenge 128

Chapter review 129

chapter 4 Staying alive: systems in action 133

Dialysis to stay alive 134

Levels of organisation 138

Mammalian tissues, organs and systems 144

Circulatory system of mammals 149

Components of blood 150

Vessels to transport blood 153

The heart 158

Biologist at work 162

The excretory (urinary) system 163

Mammalian respiratory system 174

Tissues and organs in vascular plants 179

Transport in plants 181

Biochallenge 187

Chapter review 189

Area of study 2

chapter 5 Adaptations for survival 193

The Rule of Threes 194

The desert environment 197

Adaptations for survival: desert animals 206

Vegetation types of arid Australia 214

The dominant plants 224

Survival in the cold 226

Biomimicry 230

Biochallenge 235

Chapter review 236

chapter 6 Survival through regulation 239

Death in the outback 240

Homeostasis: staying within limits 251

Regulating body fluids 263

Regulating blood glucose levels 267

Diabetes 270

Biochallenge 274

Chapter review 276

chapter 7 Biodiversity and its organisation 279

What’s in the tree tops? 280

Biodiversity: the variety of life 281

Biologist at work 292

Identification involves naming 293

How many different kinds? 299

Biologist at work 302

Biologist at work 306

Extinction: loss of diversity 308

Classification: forming groups 311

Biochallenge 323

Chapter review 324

chapter 8 Relationships within an ecosystem 327

A day in the life of krill 328

Biologist at work 332

Ecosystems need energy 341

Energy flows through ecosystems 346

Interactions within ecosystems 352

Looking at populations 366

Biologist at work 371

Intrinsic growth rates 379

Biochallenge 383

Chapter review 384

Unit 2 Area of study 1

chapter 9 Cell cycle 389

Saving burns victims 390

The cell cycle 393

Nobel Laureate in Physiology or Medicine 405

Biochallenge 411

Chapter review 412

chapter 10 Asexual reproduction 415

Jake’s headache 416

Reproduction without sex 419

Examples of asexual reproduction 422

Technology: asexual reproduction 430

Biochallenge 438

Chapter review 439

chapter 11 Sexual reproduction 441

Changes in family size 442

Sexual reproduction 443

Getting gametes together 453

Biologist at work 458

Biochallenge 460

Chapter review 461

chapter 12 Cell growth and differentiation 463

Antenatal human development 464

Key events: embryonic development 470

Abnormal embryonic development 475

Cancer and the cell cycle 477

Biochallenge 480

Chapter review 481

Area of study 2

chapter 13 Genomes, genes and alleles 483

What is a genome? 484

The Human Genome Project 484

Biologist at work 493

DNA and its bases 495

Solving the puzzle: the nature of genes 501

Looking at genes 510

Alleles: particular forms of a gene 513

Biochallenge 518

Chapter review 519

chapter 14 Chromosomes: carriers of genes 521

Chromosomes: how many? 522

Chromosomes: genes carriers 536

Biologist at work 542

Biochallenge 543

Chapter review 544

chapter 15 Genotypes and phenotypes 547

Baby Rose and the CFTR gene 548

What is a phenotype? 548

What is a genotype? 551

Relationship between expression of alleles 554

Environment interacts with genotype 558

Polygenic inheritance 561

Epigenetics 566

Biochallenge 568

Chapter review 569

chapter 16 Genetic crosses: rules of the game 571

Making melanin pigment 572

Dihybrid crosses: two genes in action 582

Genetic testing and screening 590

Family pedigrees: patterns of inheritance 594

Biochallenge 602

Chapter review 603

Glossary 605

Index 617