Chapter 1-Invitation to Biology Flashcards
Characteristic of a system that does not appear in any of its component parts
Emergent property
Put these in order of Life's Organization: Molecule Atom Multicelled organism Cell Organ system Tissue Organ Ecosystem Biosphere Population Community
Atom Molecule Cell Tissue Organ Organ system Multicelled organism Population Community Ecosystem Biosphere
Most basic unit of life
Cell
What are the 3 key requirements for all living things?
Energy and nutrients
Homeostasis
Use of DNA as hereditary material
Substances that organisms need but can not make for themselves
Nutrients
Organisms that make their own food
Producers
Organisms that acquire energy and nutrients by feeding on other organisms
Consumers
The process by which organisms keep their internal conditions within tolerable ranges
Homeostasis
Amount of variation among living organisms
Biodiversity
A system to group different organisms into distinct categories
Taxonomic classification
A prokaryote lacks/has a nucleus
Lacks
A eukaryotes lacks/has a nucleus
Has
Bacteria and archea are prokaryotes/eukaryotes
Prokaryotes
Eukarya is a prokaryote/eukaryote
Eukaryote
A diverse group of simple eukaryotes (have nucleus)
Protists
Ex:
•Animals(multicellular consumers)
•Plants(multicellular photosynthetic producers)
•Fungi(single or multi-celled euka. Consumers)