Chapter 1 Test Flashcards
What is biology?
The study of life
What are characteristics of living things
Based on genetic code, DNA Made of cells They reproduce Obtain and use materials and energy Maintain stable internal environment Grow and develop Respond to their environment Change overtime and evolve
2 types of reproduction
Sexual and asexual
Types of homeostasis?
Ectothermic and endothermic
What is ectothermic homeostasis?
Maintain temperature from surroundings
What is endothermic homeostasis?
Maintain temperature from within
Levels of organization
Biosphere Ecosystem (living an nonliving things) Community (only living things) Population (one species) Organism Groups of cells Organ system Organ Tissue Cells Molecules/atoms
Metric system
King kilo Henry. Hecto Died Deca By. Base Drinking. Deci Chocolate. Cents Milk. Milli
What is a compound light microscope?
Magnifies objects by passing light through
What is a dissecting microscope?
Magnifies objects by shining light on them
What is an electron microscope?
Transition EM it shines a bean of electrons through a thin specimen
Scanning EM
Scans thin beam of electrons over the surface of a specimen to produce an image
What is science?
The investigation into understanding of the natural world,explains events,and use those explanations to make useful predictions
What is quanitative data?
Dealing with number
What is qualitative dat
Deals with quality a