To let something go.
release
The science that deals with how things are made up and how they change when they interact with other things; also refers to the makeup of a substance.
chemistry
To do something correctly.
properly
To combine again.
recombine
Things that are available and ready to be used to meet needs.
resources
Very tiny living organisms.
microbes
___________ means over and over or without end.
continuously
The act of taking in oxygen.
respiration
The state of being in a place or the state of being present.
presence
A simple sugar.
glucose
A very small amount of matter, formed by combining two or more atoms.
molecule
Something that is necessary.
essential
The action of putting things together.
synthesis
Necessary for something to be whole or for something to do its job.
integral
A colorless, odorless gas that occurs naturally.
carbon dioxide
Something that is completely different from another thing, as "up" is to "down".
opposite
A substance that gives color to plant or animal tissues.
pigment
Something related to the makeup of substances.
chemical
The word _________ has to do with veins, vessels, or tubes that carry fluids throughout an organism, such as water throughout a plant or blood throughout a body.
vascular
The process by which a green plant uses the sun’s energy to make food for the plant.
photosynthesis
The parts of a plant’s cells in which photosynthesis takes place.
chloroplasts
Something that is related to one or more cells.
cellular
The green substance found in almost all plants.
chlorophyll
The state of existing or being.
existence
Unlike other things or the only one of its kind (adv.)
uniquely