the main respiratory organ that takes in and releases air
lungs
a large, flat area
plain
to explain an idea
interpret
the low area between two mountains or hills
valley
a huge body of water that separates land masses on earth
an inner support in vertebrates made of bones
skeleton
a natural rise in the earth's surface that is larger than a hill.
mountain
a hard covering on invertebrates used to maintain their shape and protect their organs
exoskeleton
a low area between two much higher areas with deeper and steeper sides than a valley
canyon
a large, flat area with steep drops on both sides
plateau
an organ that moves blood to and from different areas of the body
heart
a large, dry area that receives very little rainfall
desert
a trait that can help identify something
characteristic
an area almost completely surrounded by water (3 sides)
peninsula
a portion of the ocean that is partly enclosed by land
gulf
the organ in fish and young amphibians that takes in oxygen from water
gills
a piece of land completely surrounded by water
island
the thinking part of the brain. It gets information about the environment
cerebrum
a narrow strip of land with water on both sides that connects two larger pieces of land (land bridge)
isthmus
like a gulf but smaller
bay
an organ that can recognize senses and causes the rest of the body to react
brain
a dip in the earth's surface that is shaped like a bowl
basin
coordinates the animals movement
cerebellum
a flat, muddy place where a river flows into a larger body of water
delta
a narrow passage of water that connects two larger bodies of water
strait