Download THE LIVING ENVIRONMENT VOCABULARY

THE LIVING ENVIRONMENT VOCABULARY
VOCABULARY WORD
Asymmetry
Autotroph
Bilateral Symmetry
Cardiovascular System
Carnivore
Cartilage
Cell
Cell membrane
Cell Theory
Cell Wall
Central Nervous System
Chlorophyll
Chloroplast
Circulatory System
Classification
Compound microscope
Connective tissue
Cytoplasm
Diffusion
Digestion
Epithelial tissue
Endoskeleton
Eukaryote
Exoskeleton
DEFINITION
Having no definite symmetry
An organism that makes its own food.
Line symmetry; the quality of being divisible into two halves
that are mirror images.
The body system that consists of the heart, blood vessels, and
blood, and that carries needed substances to cells and carries
waste products away from the cells.
An animal that eats only other animals.
A connective tissue that is more flexible than bone and that
gives support to some parts of the body.
The basic unit of structure and function in an organism.
A cell structure that controls which substances can enter or
leave the cell.
A widely accepted explanation of the relationship between
cells and living things.
A rigid layer of non-living material that surrounds the cells of
plants and some other organisms.
The brain and the spinal cord; the control center of the body.
A green pigment found in the chloroplasts of plants, algae, and
some bacteria.
A structure in the cells of plants and some other organisms that
captures energy from light and uses it to produce food.
The body system that consists of the heart, blood vessels, and
blood, and that carries needed substances to cells and carries
waste products away from the cells.
The process of grouping things based on their similarities.
A light microscope that has more than one lens.
A body tissue that provides support for the body and connects
all of its parts.
The region of the cell inside the cell membrane (in
prokaryotes),between the cell membrane and nucleus (in
eukaryotes); contains a gel-like material and cell organelles.
The process by which molecules move from an area of higher
concentration to an area of lower concentration.
The process by which the body breaks down food into small
nutrient molecules.
A body tissue that covers the surfaces of the body, inside and
out.
An internal skeleton.
An organism with cells that contain nuclei and other cell
structures.
A waxy, waterproof outer shell.
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VOCABULARY WORD
Heart
Heterotroph
Homeostasis
Invertebrate
Ligament
Lysosome
Magnification
Mitochondria
Mitosis
Multicellular
Muscle tissue
Nerve tissue
Nonvascular plant
Nucleus
Omnivore
Organ
Organ system
Organelle
Organism
Osmosis
Phloem
Photosynthesis
Prokaryote
Radial Symmetry
Respiration
DEFINITION
A hollow muscular organ that pumps blood throughout the
body.
An organism that cannot make its own food.
The maintenance of stable internal conditions despite the
changes in an organism’s surroundings.
An animal that does not have a backbone.
Strong connective tissue that holds together the bones in a
movable joint.
A small round cell structure that contains chemicals that break
down large food particles into smaller ones.
The ability to make things look larger than they are.
Rod-shaped cell structures that produce most of the energy
needed to carry out the cell’s function.
The stage of the cell cycle during which the cell’s nucleus
divides into two new nuclei and one copy of DNA is
distributed into each daughter cell.
A type of organism that is made up of many cells.
A body tissue that contracts or shortens, making body parts
move.
A body tissue that carries messages back and forth between the
brain and every other part of the body.
A low-growing plant that lacks vascular tissue.
A cell structure that contains the chemical instructions that
direct the cell’s activities.
An animal that eats both plants and animals.
A structure in the body that is composed of different types of
tissue.
A group of organs that work together to perform a major
function in the body.
A tiny cell structure that carries out a specific function within
the cell.
A living thing.
The diffusion of water molecules through a selectively
permeable membrane.
The vascular tissue through which food moves in some plants.
The process by which plants and some other organisms capture
light energy and use the light energy to make food from carbon
dioxide and water.
An organism whose cells lack a nucleus and some other cell
structures.
The quality of having many lines of symmetry that all pass
through a central point.
The process of breaking down food to release its energy.
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VOCABULARY WORD
Selectively Permeable
Spontaneous generation
Taxonomy
Tissue
Unicellular
Vacuole
Vascular plant
Vascular Tissue
Vertebrate
Xylem
DEFINITION
A property of cell membranes that allows some substances to
pass through, while others cannot.
The mistaken idea that living things arise from non-living
sources.
The scientific study of how living things are classified.
A group of similar cells that perform a specific function in an
organism.
A type of organism made of only one cell
A water-filled sac inside a cell that acts as a storage area.
A plant that has vascular tissue.
The internal transporting tissue in some plants that is made up
of tube-like structures.
An animal that has a backbone.
The vascular tissue through which water and nutrients move in
some plants.
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