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BL Ch 21
Beaver Local 21
| Question | Answer |
|---|---|
| What are the five major types of interactions within a community (aka symbioses)? | predation, parasitism, competition, mutualism, and commensalism |
| Who captures, kills, and consumes the prey? | A predator |
| What determines where and how a species lives? | Predation |
| What regulates population size within a community? | Predation |
| The individual that is consumed by the predator is the ________________. | Prey |
| What has favored ways for the prey to avoid, escape or ward off predators? | Natural Selection |
| This is a defense where a harmless species resembles a poisonous or distasteful species | Mimicry |
| When 2 or more unpalatable species resemble one another (black and yellow on bees and wasps) | Mullerian Mimicry |
| When a harmless species mimics the warning coloration of a dangerous species (king and coral snakes) | Batesian Mimicry |
| What adaptive traits do plants have that protect them from being eaten by herbivores | thorns, spines, stinging hairs, tough leaves, chemical defenses |
| Synthesized chemicals from products of a plants metabolism that are poisonous, irritating or bad tasting (or the chemicals that may be used for medicine) | Secondary Compounds |
| One individual is harmed while the other benefits | Parasitism |
| In parasitism who feeds on the host? | The parasite |
| Parasites that live on the host but do not penetrate the host's body (fleas, ticks, etc) | Ectoparasites |
| Parasites that live inside the host's body (tapeworms, etc) | Endoparasites |
| The use of the same limited resource by two or more species | Competition |
| one species can be eliminated from a community because of competition | Competitive exclusion |
| Competitors may evolve niche differences or anatomical differences that lessen the competition (such as Darwin's finches) | Character Displacement |
| When similar species coexist, each species uses only part of the available resources ( warblers forage in different types of trees) | Resource Partitioning |
| A cooperative relationship in which both species benefit | Mutualism |
| One species benefits while the other is not affected (birds that feed on insects that fly around buffalo) | Commensalism |
| What are the 2 properties of communities? | Species richness and Species diversity |
| the number of species a community contains | Species Richness |
| relates the number of species to the relative abundance of each species | Species Diversity |
| What influences the species richness? | The latitude |
| What characteristics are present to allow the rainforest to possess a high degree of species richness? | stable climate and the ability to photo-synthesize year round |
| Where is the high bio-diversity on Earth? | Tropical Rainforests |
| Larger areas usually contain more species than smaller areas (because there are more habitats) | The Species-Area Effect |
| Reducing the size of a habitat reduces the number of species refers to _____________________________. | The Species-Area Effect |
| a community’s resistance to change | Community Stability |
| A gradual process of change and replacement of the types of species in a community | Succession |
| The development of a community in an area that has not supported life previously | Primary Succession |
| The sequential replacement of species that follows disruption of an existing community | Secondary Succession |
| A symbiosis relationship where one individual consumes another. | Predation |
Created by:
kjones0722
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