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Science: Chpt. 2

Science Chapter 2 Test Review

The study of life biology
An increase in mass and number of cells in an organism growth
the ability to cause change or do work energy
types of energy radiant, chemical, mechanical, electrical and thermal
microwaves, x rays, radio waves, and light are examples of what kind of energy? radiant
What kind of energy is captured from the sun by plants? radiant
Building blocks that make up all living things. Smallest unit of life. cells
a group of cells that perform a common function. tissue
a group of tissues that perform a common function (job). organ
Example of an organ stomach, esophagus
a group of organs that perform a common function organ system
example of an organ system digestive system (breaks down your food).
any complete living thing organism
example of an organism human, fish, flower
your body's way of keeping your internal environment balanced. homeostasis
examples of homeostasis sweating, shivering
levels of organization of an organism cell-tissue-organ-organ system-organism
something that causes a response. stimulus
an example of a stimulus plant grows towards the light
7 things that classify a living thing made of cells, different levels of organization, use energy, responds to environment, grows, reproduces, adapts to environment
Dependent variable in our clover experiment. What did we measure? number of sprouts
Constants for the clover experiment. What did we keep the same? type of soil, amount of soil and light
Independent variable in the brine shrimp experiment. What did we change? amount of salt
Created by: solgarcia