Mollusk-invertebrate having a soft unsegmented body usually
enclosed in a shell
open circulatory system-system in which blood is not always
contained within a network of blood vessels
gill-respiratory organ of aquatic animals that breathe oxygen
Plains-Large, flat areas often used for agriculture
Plateaus-Flat, raised areas of land made up of nearly horizontal rocks
that have been uplifted by forces within Earth
Mountains Formed when rock layers are squeezed from opposite
sides when forces withi
Glands-Organs that produce chemicals.
Endocrine System-The system that controls long-term and short-term
Hormone-The chemical product of an endocrine gland.
Target Cells-What a hormone specifically is made to interact with.
Reactions to the
Microorganism-living things too small to see with a microscope
Joseph Lister-discovered that microorganisms cause the infections
that often follow surgery, and used an antibacterial in his operations
which decreased deaths
Robert Koch-showed that specifi
Uniformitarism-a principle that states the same geologic processes
shaping the earth today has been at work throughout earth's history
Catastrophism-a principle that states that all geologic change occurs
James Hutton-a scientist ans philosopher
natural resource any natural material that is used by humans
renewable resource-a natural resource that can be replaced at the
same rate at which the resource is used
nonrenewable resource-a resource that forms at a rate that is much
slower than the rate
Structure-the way an organism is made
Function-the job a part of an organism performs
Stimulus-a change in an organism's surrounding that cause it to react
Response-an action or behavior that occurs in response to a stimulus
Autotroph-organisms that make
Glacier-any large mass of ice that moves slowly over land
continental glacier-a glacier that covers much of a continent or large
ice ages-time in the past when continental glaciers covered large
parts of Earth's surface
valley glacier-a long narro
Electromagnetic Energy-Energy from the sun. Travels in waves.
Ultraviolet-Wavelength shorter than violet light. Most is absorbed by
the ozone layer. Causes sunburn
Visible Light-ROYGBIV (red, orange, yellow, green, blue, indigo,
violet). Medium wavelengt
Cell-A basic unit of structure and function living things.
Microscopic-Can only be seen with a microscope.
Organism-Any living thing that maintains vital life processes.
digestive cells-Cells that break down food.
Organelle-Structures in cells that help