Chapter 1 Flashcards
Antibiotics only kill…
bacteria NOT viruses
Biology is…
the study of life
there are ______ characteristics of life
seven
what are the characteristics of life
- Order
- Reproduction
- Growth and Development
- Energy processing
- Respond to environment
- Constant internal environment
- Evolve and adapt
What kind of response is responding to the environment
external response
what is homeostasis
body’s ability to remain constant
life builds from….
least complex to most
Hierarchy of life
atom –> molecule –> organelle –> cell –> tissue –> organ –> organ system –> organism –> population –> community –> ecosystem –> biosphere
what is the smallest unit to have all 7 properties of life?
cell
what are the two types of cells?
prokaryotic and eukaryotic
1st to evolve, small and simple
prokaryotic
membrane bound organelles, large and more complex
eukaryotic
organisms interact with…
their environment
most ecosystems have…
producers, consumers, and decomposers
all life contains…
genes on DNA