Principals of living things Flashcards
What is biology
The study of life; living things are diverse life forms that exist everywhere on earth and have things in common
All living things _____
Reproduce
Grow and develop
Respond to stimuli
Acquire materials for energy
Capacity to adapt
Are homeostatic
Are organized
Systematics
DKPCOFGS
Phylogeny
evolutionary history and relationships between groups of organisms
Prokaryotes
No nucleus, unicellular, no mitochondria
Eukaryotes
Have nucleus, mitochondria, larger than prokaryotes
Taxonomy
The assignment of a bi-nomial to each species (genus name and species name)
Scientific method
Observation, hypothesis, experiment, conclusion, scientific theory
Biodiversity
Total number of species; variability in their genes, ecosystems where they live
What can science NOT do
Make moral judgments, tell you how to use science, conclude about the supernatural, make aesthetic judgments
What CAN science do
Know about natural world, study using the scientific method, may change or be modified as technology advances
Biotechnology examples…
Cloning, stem cells, genetically modified crops/bacteria, treat cancers or genetic disorders, frost plus or frost minus genes
If something does NOT have all the characteristics of living things they are___?
Considered to not be living
Prokaryotic and eukaryotic cells…?
Share the same basic molecular mechanisms
Prokaryotic genomes…?
Are less complex, do not contain cytoskeleton or cytoplasmic organelles
The amount of surface area..
Affects the ability to get materials in-out of cells