5th SCI – Unit #2 Matter – Plants / Animals

Term Definition
growth increase in size, abundance, or complexity
material the matter from which a thing is or can be made
plants a type of organism that gets its energy directly from the Sun and is unable to move from place to place on its own
weight the heaviness of an object; force of gravity on mass = weight
conservation of matter matter cannot be created or destroyed
matter anything that has mass and takes up space
bacteria microorganisms important as decomposers; widely distributed and can break down just about any type of organic matter
decomposer an organism that consumes dead or nonliving biomass without need for internal digestion
food web an interconnected set of food chains
fungi microorganisms important as decomposers; widely distributed and can break down just about any type of organic matter
organism a single, self-contained living thing
mass the amount of matter in an object
volume the amount of space matter takes up
photosynthesis the process used by plants to change light energy into chemical energy for food
hydroponics growing plants without soil; usually with just air, water, and sunlight
carbon dioxide gas that plants need to complete photosynthesis
energy ability to make things move (all comes from the sun)
producer an organism that can produce its own energy / food using sunlight
consumer an organism that must eat other organisms for energy
air and water two main things a plant needs to grow
microbes extremely small decomposers that cannot be seen without a microscope
herbivore organism that only eats producers (plants)
omnivore organism that eats both plants and meat
carnivore organism that eats just meat
ecosystem a community of interacting organisms and their environment
nutrients substances found in food and water that are necessary for growth and survival

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