biology lesson 1.1
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Lesson 1.1 What’s Important ?
Biology is the study of living thingscomes from the Greek root bios- which means “life” and the Greek suffix -logy which means “the study of”.
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Biology 1.1 What’s Important ?Biology is the study of living thingscomes from the Greek root bios- which means “life” and the Greek suffix -logy which means “the study of”.
•Organism – scientific term for a living thing.
•Habitat – region where the organism usually lives.
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•Organism – scientific term for a living thing.•Habitat – region where the organism usually lives.
4 Major fields of biology botany – study of plants
zoology – study of animals
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4 Major fields of biology botany – study of plantszoology – study of animals
human anatomy and physiology - study of physical structures and the functions of the human body.
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4 Major fields of biology botany – study of plantszoology – study of animalshuman anatomy and physiology - study of physical structures and
the functions of the human body.
ecology – the study of interactions between organisms and their environment and each other.
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ecology – the study of interactions between organisms and their environment and each other.
Food chain – a sequence of organisms related to one another as prey and predator.
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Food chain – a sequence of organisms related to one another as prey and predator.
Parts of the food chain: 1. producers• usually a photosynthetic organism (make own food from sunlight) •are at the base of the food chain•All energy comes from them •usually green - chlorophyll
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2.Consumer –derives nutrients and energy from consuming other organisms.
Includes:• herbivores or primary
consumers – they consume plants
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2. ConsumersIncludes:
• carnivores or secondary consumers - they consume other animals that once consumed plants.
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2. ConsumersIncludes
• omnivores - who can be primary or secondary consumers
- eat plants or other animals.
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• Omnivores who can be primary or secondary consumers- eat plants or other animals.
3. Decomposers - are organisms that breakdown dead or decaying organisms.
Includes:
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We will begin our course study of biology in the field of botany.
Reasons for studying botany:
1. many medications are derived from plants
2. important to industry (lumber, paper, clothing,acetate, rayon, etc)
3. all food eaten by man comes directly or indirectly from plants