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Chpt.3 Study Stack

QuestionAnswer
List the levels of organization from largest to smallest. Biosphere, Biome, Ecosystem, Communities, and Species
What methods do ecologists use? Observing, Experimenting, and Modeling
What type of organism would be at the beginning of the food chain? Producer
What organism uses energy to make its own food. Autotrophs
What is the total amount if living tissue withing a given trophic level? Biomass
what animals each both producers & consumers? omnivores
A snake that eats a frog that had eaten an insect that fed on a plant is a? Top Level Consumer
What are three types of pyramids? Energy, Biomass, and Pyramid of Numbers
What is the process in which bacteria convert nitrogen gas in the air to ammonia? Nitrogen Fixation
The movements of energy and nutrients through living systems are different because? biogeochemical cycles
The branch of biology dealing with interactions among organisms and between organisms and their environment is called? Ecology
What are the combined portions of Earth called in which all livings things exist? Biosphere
All the members of a particular species that live in the same area are called? Population
Green plants are? Alive
What is the original source of almost all the energy in most ecosystems? The Sun
An organism that can not make its own food? heterotrophs
Organisms that obtain nutrients by breaking down dead decaying plants and animals are called? Detritivores
What is an organism that feeds only on plants called? Herbivore
All interconnected feeding relationships in an ecosystem make up a food? Food Web
The repeated movement of water between Earth's surface and the atmosphere is called? Water Cycle
Organisms need nutrients in order to? Survive
Organisms in the oceans with the smallest total biomass are most likely the? Algae
Water can enter the atmosphere through the processes of evaporation and? Transpiration
Plant eating animals such as cows are called? Herbivores
Only about___ percent of the energy in a trophic level is available to organisms at the next level. 10%
Created by: #YOLO#SWAG
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