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web models
A food ________ the complex network of feeding relationships between trophic levels within an environment.
food chain
A(n) ________ is a sequence that links by their feeding relationships.
Plant
________ and animal cells have specialized organelles that carry out specific functions within the cell.
Carbon
________- based molecules, such as carbohydrates and proteins, make up the basic structural and functional units of all organisms.
trophic levels
Shows how different food chains within an ecosystem are related and gives a better idea of how energy and matter are transferred between organisms and ________ within the ecosystem.
Decomposers
________- organisms that break down organic matter into simpler compounds.
Carnivores
________ eat herbivores, where some of the energy is converted into heat, leaving the energy unavailable for us by the ________.
Cells
________ are living systems that have inputs and outputs of both matter and energy.
Energy
________ flows up the food chain from the bottom trophic level to the top.
chemical processes
Energy is essential for metabolism { All of the ________ that build up or break down materials in an organisms body }.
Detritivores
________- organisms that eat detritus [a] or dead organic matter.
Herbivores
________ eat the producers but burn some energy in the process (from cell processes such as cellular respiration)
Organisms
________ use the remaining energy to carry out life functions such as cellular respiration and growth.
primary producers
They eat ________- plants or algae- and nothing else.
abiotic components
An ecosystem is a complex web of interconnected biotic and ________.
Food chains
________ are limited because energy is lost as heat to the environment at each trophic level [e]
LESSON
Flow of Energy & Matter in Ecosystems
Carnivores
only eat animals
Omnivores
eat both plants and animals
Detritivores
organisms that eat detritus[a] or dead organic matter
Decomposers
organisms that break down organic matter into simpler compounds
