Chapter 1: Evolution, the Themes of Biology, and Scientific Inquiry Flashcards
Biology
The scientific study of life
Organisms
individual living things
Organs
multiple tissues with specific function
Tissues
groups of cells with specialized functions
Cells
Fundamental unit of structure for life
Organelles
various functional components of cells
Molecules
two or more unites called atoms
Emergent properties
novel properties that emerge at each level
What are defining characteristics of eukaryotic cells?
membrane enclosed organelles, DNA containing nucleus
What are the defining characteristics of prokaryotic cells
lacks nucleus and other membrane bound organelles
What are genes?
section of DNA in the chromosome
What are protenomics?
the study of proteins and their functions
What are producers?
animals that make their own food (photosynthesis)
What are consumers?
animals that eat producers
What is negative feedback regulation?
the output of the process negatively regulates the process
What is positive feedback regulation?
the output of the process speeds up its own production
Evolution
decent with modification
What are the sub categories of prokaryotes?
bacteria and arches
What are the subcategories of eukaryotes?
protists, fungi, plantae, animilia
what is inductive reasoning?
to draw a general conclusion which can be developed into a testable hypothesis
What is deductive reasoning?
makes predictions that can be used to test hypotheses
