page 1-2 Flashcards
movement
an action by an organism or a part of an organism causing a change of
position or place
Metabolism
chemical reactions that take place in the body
Anabolism
when a complex molecule is formed from simpler ones
Catabolism
when a complex molecule is broken down into a simple molecule
Respiration
the chemical reactions in the cell that break down nutrient molecules
and release energy for metabolism
Sensitivity
the ability to detect or sense stimuli in the internal or external
environment and make appropriate responses
Growth
a permanent increase in size and dry mass by an increase in cell number
or cell size or both
reproduction
the processes that make more of the same kind of organism
Excretion
removal from organisms of the waste products of metabolism which
include chemical reaction in cells including respiration taking materials and
substances in excess of requirements
Nutrition
taking in of materials for energy, growth and development.
Light microscope
a microscope that uses light which shines through the piece of
animal or plant you’re looking at and uses glass lenses to magnify and focus the
image which can magnify up to 1500 times. It is used to make photo micrographs.
Cell
the functional and structural basic unit of life
electron microscope
a microscope which uses beams of electrons to magnify up
to 500,000 times. It is used in making an electron micrograph.
Eyepiece
lens present at the top and is used to see the objects understudy which
have magnification of 10 to 15 times
Tube
also called the body tube which connects the eyepiece to the objective lenses