1.1 Intro to Biology Flashcards
PMC model
Program - a way to encode, read, and replicate instructions for building a life form
Metabolism - a way to capture and use energy
Container - a barrier that keeps life form separate from its environment. usually selectively lets things in and out
CER
Claim - answer to question
Evidence - observations or data that support claim
Reasoning - how evidence supports claim
atom
basic unit of chemical element
molecule
two or more atoms held together by chemical bonds
organelle
subcellular structure with one or more specific jobs inside cell
cell
smallest unit of life
tissue
group of cells working together as one unit
organ
group of tissues working together as one unit
organ system
group of organs working together to perform one or more functions
organism
individual animal, plant, or single-celled organism
population
a group of organisms of the same species in the same area at the same time
community
a group of populations of two or more species in the same area at the same time
ecosystem
a community and its physical environment
biome
distinct geographical region with specific climate, plants, and animals
biosphere
the worldwide sum of all ecosystems