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LE1

1st Quarter Assessment Prep

QuestionAnswer
What types of factors are required for a stable environment? biotic and abiotic
What is the main source of energy for most organisms in an environment? the sun
What is the study of the interrelationships of plants and animals and their interactions with the physical environment? ecology
All organisms have a specialized role called a... niche
The specific place where an organism lives is called its... habitat
Can different organisms share the same habitat? yes
Do different organisms share the same exact niche? no
What is the name of an organism that feeds off of dead animals? scavenger
What is the name of an organism that hunts and kills another organism for food? predator
What is the name of the organism that is eaten by a predator? prey
What type of nutrition involves an organism making its own food? autotrophic
What type of nutrition involves an organism consuming another organism for food? heterotrophic
When more than one organism compete eat the same type of food source, what type of relationship between the organisms for that food source? competition
Any number of living organisms interacting with their non-living physical environment makes up an... ecosystem
In an ecosystem, symbiosis occurs between... biotic (living) factors
All of the air surrounding the Earth is called the... atmosphere
All of the water on the Earth is called the... hydrosphere
All of the living environments on Earth make up our... biosphere
What do we call all of the living factors in an environment? biotic
What do we call all of the non-living factors in an environment? abiotic
What type of organism makes its own food? autotroph/producer
What type of organism relies on other organisms for food? heterotroph/consumer
Why are decomposers so important to an ecosystem? they recycle living things into soil for producers
What type of organism eats plants? herbivore
What type of organism eats meat? carnivore
What type of organism eats the remains of other organisms? scavenger
What type of organism breaks down decaying matter? decomposers
What do arrows on a food web/chain show us? the direction that energy is flowing
What type of diagram shows us the greatest and truest number of relationships in an ecosystem? food web
Why do a lot of different organisms living in an environment, create the greatest amount of stability for that ecosystem? the greater the biodiversity, the greater the amount of relationships and sources of energy available to orgnaisms
Created by: Mr.McKeehan