Vocabulary 144-175 Flashcards
photosynthesis
the chemical process by which plants use light energy to convert carbon dioxide and water to produce sugars
physical change
a change of state in matter not creating a new substance
planet
a large celestial body orbiting a star
plate tectonics
the theory stating Earth’s crust is divided into plates and are the cause of seismic activity
pollution
an alteration of an environment producing harmful effects to organisms
population
a group of organisms living in the same area
potential energy
a form of energy relating to an object’s position
precision
the range of accuracy of a certain tool or measurement
predator
an organism that hunts other organisms to consume and obtain its nutrients
pressure
the force exerted per unit area
prey
an organism that is hunted by a predator its feeding
prism
a piece of glass that disperses white light into the full spectrum of color when it passes through
producer
an organism in an ecosystem that is capable of producing its own nutrients, typically plants
product
the result of a chemical reaction
protein
a macromolecule made of amino acids forming the building blocks of tissues such as muscle