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Mary Bio
quiz
| Term | Definition |
|---|---|
| What 3 things does the metabolism do ? | -Builds complex substances from simper ones -Breaks down complex substances into simpler ones -Uses energy continuously |
| What is transport? | the process by which substances enter and leave cells and become distributed within the cells |
| What is reproduction ? | The process when living things produce new organisms of there own kind |
| What is nutrition ? | When an organism takes materials, from its external environment and changes them into forms it can use |
| What is digestion ? | The breakdown of complex food materials into simpler forms that an organism can use |
| What is assimilation ? | the incorporation of materials into the organisms body |
| What is cellular specialization ? | Different cells becoming specialized for different function |
| Do plants have nervous systems and hormones ? | - No nervous systems -yes have parts to produce hormones |
| What is an organism? | Living things |
| What is ASEXUAL reproduction ? | A single individual produces offspring identical to the parent |
| What is SEXUAL reproduction ? | - 2 parents and the off spring is not identical to either parent (but a combination of both) |
| What is excretion ? | the removal of wastes from an organisms body |
| What is aerobic respiration ? | When ,oxygen from the air is required to break down sugars into water and carbon dioxide |
| What is growth ? | The process by which living organisms increase in size |
| What is biology ? | The study of living things |
| What are hormones ? | endocrine system releases them into the bloodstream to act as chemical messengers |
| What is homeostasis ? | The condition of a constant internal environment |
| What is anaerobic respiration ? | When food is broken down without oxygen ? |
| What are the 9 characteristics that distinguish living things from non living thing ? (RRGCHHMUL | -respond -reproduce -grow -change over time -highly organized and containing many complex chemical substances -have definite form and limited size -made up of 1 or more cells - use energy - limited life span |
| What are the 8 general processes by which the life of an organism is maintained? | - nutrition -transport -respiration -synthesis -growth -excretion -regulation -reproduction |
| What is ingestion ? | the taking in of food from the enviroment |
| What is synthesis? | -when organisms are able to combine simple substances chemically to form ore complex substances * In animals the substances used in synthesis are products of digestion |
| What is regulation ? | All activities that maintain an organisms |
| What is a metabolism? | All the chemical reactions occurring within the cells of an organism |
| What is respiration? | the process of releasing chemical energy stored in nutrients |
| What are nutrients ? | substances that an organism needs for energy, growth, repair or maintenance |
| What are the 2 basic types of nutrition ? | Type 1 -organisms can produce complex nutrients from simple substances found in the environment example: bacteria and one celled organisms Type 2 - organisms obtain nutrients ready made from the environment example: animals |
Created by:
cotacole
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