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Bio Unit 4 Sec 3 #2
Bio Unit 4 Sec 3 #2: Lecture 36
| Question | Answer |
|---|---|
| Density INDEPENDENT factors that affect population density are also called _____Factors | Abiotic |
| Density DEPENDENT factors that affect population density are called ______ Factors | Biotic |
| Biotic factors are _______ organisms | Living |
| With biotic factors, that interactions between ______ and the _____ of individuals influence population density | Organisms; Number |
| Competition for food, predator/prey relationships, competition for space/habitat and animal behavior are examples of ______ _____ that impact population density | Biotic Factors |
| Biotic Factors that affect population density are also called Density _____ Factors | Dependent |
| The density of biotic factors is influenced by the number of _______ in an area | Individuals |
| The ______ Levels in an ecosystem provide the ______ to that ecosystem | Trophic; Energy |
| The bottom trophic level in an ecosystem are the _______ | Producers |
| Producers make their own ______ and are ________ organisms | Food; Photosynthetic |
| After producers comes ________ Consumers, which are _______ | Primary; Herbivores |
| After Primary Consumers are ______ consumers which are ______, such as a mouse | Secondary; Carnivores |
| After Secondary Consumers are ______ consumers which are _______ such as a snake | Tertiary; Carnivores |
| After Tertiary Consumers are _______ Consumers which are ________ such as a hawk | Quaternary; Carnivores |
| Each species is influenced by the population ______ of the other species, such as when lynx population increases, hare population decreases b/c lynx eat them. Then lynx run out of food and population decreases, so the hare population begins to increase. | Size |
| Graphs show ______ cycling of populations numbers | Predictable |
| "To Live Together" in community ecology is ______ | Symbiosis |
| Symbiosis where both organisms benefit from the relationship is called: | Mutualism |
| Symbiosis where one member benefits and the other is NOT harmed is: | Commensalism |
| Symbiosis where one member benefits and the other is harmed or killed is ______ | Parasitism |
| Population interactions depend on competition for _______, predator-prey interaction and _____- host interaction | Resources; Parasite |
| Examples of two different ecosystems are _____ and ______ ecosystems | Aquatic; Terrestrial |
Created by:
scarangelo
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