Any of various chiefly aquatic, eukaryotic, photosynthetic organisms, ranging in size from single-celled forms to the giant kelp algae grew from the ocean surface to capture the sunlight.
antibiotic
a substance that tends to destroy harmful organisms
We treat bacteria diseases with an antibiotic vaccination.
array
regular order or arrangement
The rainbow has a nice array of colors in its spectrum.
contagious
capable of being transmitted by bodily contact with an infected person or object
His sickness was contagious to the people around him.
crucial
decisive, critical
It is crucial that we do well on this test.
fertile
abundant, fruitful
The land was fertile with vast plains of green grass, and water.
innovation
introduce something new
The internet was a new innovation in the communications industry.
instrumental
serving or acting as an instrument or means
The reed is an instrumental piece that allows the player to blow on the oboe.
invisible
not be seen
The chameleon, when camouflaged, appears invisible to the naked eye.
kelp
any large, brown, cold-water seaweed, used as food and in various manufacturing processes kelp feeds many aquatic herbivores in the ocean.
microbe
a microorganism
We must watch out for dangerous microbes that enter the body.
microbes
a germ or bacteria
Washing your hands helps a lot when being exposed to microbes.
product
the result from something produced
The product we are selling is the new improved smaller sized laptop.
protozoan
Any of a large group of single-celled, usually microscopic, eukaryotic organisms
I believe the paramecium is a protozoan.
rod
a stick, wand, staff, or the like
We used the rod to measure how deep the water was.
specific
a particular kind
The wine connoisseur was extremely specific in picking the next wine to be tasted.
sphere
A three-dimensional surface, all points of which are equidistant from a fixed point
The game of pool requires 12 spheres, including the cue ball.
spiral
a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it
The rotating spiral made all of us dizzy.
transmit
communicate or emit
The airline controller transmitted the new coordinates to the flight pilot.
ubiquitous
existing or being everywhere
Cockroaches are ubiquitous because they can adapt quickly to any environment.