Intro to Biology

Intro to Biology

by Ms. Badurski

Independent Variable

• The variable you are changing

• You only have one of these

• This is done first

Dependent Variable

• The variable that might change

• The responding variable

• It might change

Control

• Group does not get IV

• Used to compare

• Makes experiment valid

Constant

• Stays the same

• There are many in a good experiment

• Makes it reliable

Biology

• The study of life

• BIO means life

• One branch of science

Biotic

• Living factors

• Remember BIO means living

• Opposite of abiotic

Abiotic

• Non-living factors

• Air, water, soil, sunlight, temperature

• Were never living

• Opposite of biotic

Adaptations

• Help organisms survive

• Changes to help survive

• Takes a long time to change

• 
  

Homeostasis

• A balance

• Keeps things balanced in organisms

• Necessary for survival

Biological Community

• All the plants

• All the animals

• Living in one area

Population

• All members of one species

• Living in one area

• Plant or animal

Ecosystem

• All biotic and abiotic factors in one area

• Co-exist together

• Pond, river, field, valley, beach, forest