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BIO 303
Chapter 1
| Question | Answer |
|---|---|
| The study of relationships of organisms with their environment. | Ecology |
| Greek word meaning "house". As in house we live in. | oikos |
| Density independent. Wind, temperature, salinity,[o2] | Abioitic Factors |
| Density Dependent. Prey, predators, competitors, parasites. Living | Biotic Factors |
| Means which way you are facing. An example might be Lizards facing North might be different that Lizard facing South. | Aspect |
| What is relevance of Ecology to early Humans? | 1) closer contact with nature 2)Critical knowledge for hunting and gathering, and farming |
| What is relevance of Ecology to modern humans? | 1)Little to no contact with nature 2)critical knowledge because we are rapidly changing biosphere. |
| NPK | Nitrogen Phosphorus Potassium |
| Nitrogen movement between the non-living environment and organisms nitrogen cycling has increased | Nitrogen cycling |
| A group of individuals of one species in a particular area | population |
| Able to produce viable offspring. | Species |
| The populations of various species in a particular area. | community |
| Community+Factors (biotic and abiotic) in a particular area. Defined by vegetation. | Ecosystem |
| How an organism makes a living.Occupation | niche |
| Where an organism makes a living. Address | habitat |
| The ecosystem of the entire globe. | biosphere |
| List 2 rapidly developing frontiers in ecology. | 1) Aereoecology 2)Urban ecology |
| The interdisciplinary study of the Earth-atmosphere boundary. Variation in surface temperature. | Aereoecology |
| The study of urban areas as complex, dynamic ecological systems. | Urban ecology |
| What is niche-partitioning? Give example | 2 species can coexist in the same niche because they each specializes and gives something different to the niche, as in darters with different mouth shapes. |
| Why is niche partitioning important? | Avoidance of the Competitive Exclusion Principle. This states 2 species can not coexist in the same niche. |
| A version of an element with a particular number of neutrons. | Isotope. |
| Most common isotope | C12 |
| Carbon used for dating a sample | C14 |
| Carbon mainly used by woodland plants. | C12 (C3 photosynthesizers) |
| Carbon mainly used by grassland plants | C13 (C4 photosynthesizers) |
| Birds that have a preponderance of C12 have overwintered where. | Mangroves , a preferred habitat. Woodland abundance of C3 |
| Birds with a preponderance of C13 have overwintered where? | Poorer quality scrub land habitat. Abundance of C4. |
| Occur in both tropical and temperate locations. Are rich in life with nutrient poor soils. | Rainforests |
| Why do rainforests have poor soils? | The rate of cycling is fast.The dead do not lay long. |
| Stores nutrients in the forest canopy | epiphytes |
| Plants such as orchids and ferns that live on the branches of other plants. | epiphytes |
| What are useful for reconstructing landscape vegetation history? | pollen |
| Distinctive wrt to species Is durable | pollen |
| A process by which populations change over time | Evolution |
| An evolutionary process that changes anatomy, physiology,or behavior, resulting in an increased ability of a population to live in a particular environment. | Adaption |
| Scientific Method consists of what 5 elements? | Information question hypothesis prediction testing of hypothesis |
| Chemical substance required for the development, maintenance, and reproduction of organisms. | Nutrients |
| Conversion of abiotic energy into the chemical energy of biomolecules(starches, lipids,proteins) | Primary productivity |
| Most of Earth's primary productivity on land and water surfaces is due to what? | Photosynthesis The abiotic energy source is phton energy |
| Primary productivity also occurs at hot springs located on land and underwater, How? | The abiotic energy source is= hydrogen sulfide (HS) |
| Non living organic matter, usually the remains of plants. | detritus |
| Bacteria, fungi, and some invertebrates, serve what purpose? | Decomposers |
| Moving from non living state to living state. | fixation |
| The conversion of abiotic light or chemical energy into energy contained in biomolecules.(cellulose, starch, protein) | Energy fixation |
| The conversion of inorganic nitrogen, carbon, phosphorous into forms useable as biomolecules (starches, proteins, nucleic acids) | Nutrient Fixation |
Created by:
michellerush630
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