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20 Cards in this Set
- Front
- Back
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List the 4 living things in order of size
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1. Cells
2. Tissues 3. Organs 4. Organ Systems |
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Define a cell.
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Smallest most basic form of life
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What are tissues made up of?
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Similar cells
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What are organs made up of?
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Tissues
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Define organ systems
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Organs working together
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Life cannot be maintained without what?
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Materials and Energy
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What is energy?
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The capacity to do work
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What is Metabolism
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All chemical reactions occurring in the cell
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What is the ultimate source of energy for earth?
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The Sun
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What does photosynthesis do?
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Transforms solar energy into chemical energy of food
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What is Homeostasis?
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The maintenance of internal conditions within certain boundaries. May be behavioral
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Name the 4 characteristics of living things
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1. Acquire energy and materials
2. Respond 3. Reproduce and develop 4. Have Adaptions |
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The ability to respond often results in what?
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Movement
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What are two ways that living things reproduce?
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1. Bateria simply split in two
2. Union of egg and sperm produces embryo |
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In all organisms, what are genes made up of?
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DNA (Deoxyribonucleic acid)
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What is DNA's primary function?
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To store information (like a blueprint)
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In terms of living things, what do we mean by adaptions?
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Modifications that make organisms suited their way of life
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What is evolution?
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The process by which species have changed and diversified since life arose.
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What is taxonomy?
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The discipline of naming and classifying organisms according to certain rules including the presumed evolutionary relationship.
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Name the 8 taxonomic categories of classifications in order of Most inclusive to least inclusive
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1. Domain
2. Kingdom 3. Phylum 4. Class 5. Order 6. Family 7. Genus 8. Species |
