Chapter 1 Flashcards
Species
A unique type of organism, produce offspring/ designated by genus name and specific epithet
Biology
The scientific study of life.
Atom
Smallest unit of matter
Molecule
Atoms that are bonded together
Cell
Smallest unit of life
Tissue
specific cells organized in a particular pattern
Organ
structure. composed of tissues that carry out a certain task
Organ system
set of interacting organs and tissues that fulfill one or more body functions
Organisms
individual that consists of one or more cells
Population
group of interbreeding individuals. of the same species living in a given area
Community
consists of all populations of all species in a given area
Ecosystem
community interacting with its physical and chemical. environment through the transfer of energy and materials
Biosphere
sum of ecosystems
Nutrient
substance an organism needs for growth and. survival and cannot make for itself
Producer
makes its. own food using energy and simple raw materials it obtains from the nonbiological sources
Photosynthesis
plants use energy of sunlight. to make sugars from carbon dioxide and water
Consumer
obtains energy and nutrients by feeding on other organisms
Homeostasis
organism with an internal environment with ranges that favor cell survival/ aka center peace
DNA
guides ongoing cellular activities that sustain. the individual through its lifetime
Growth
increases cell number, size, and volume
Reproduction
process by which individuals produce offspring
development
multicelled species, the process by which the first cell of a new individual gives rides to an adult.
inheritance
the transmission of DNA to offspring
Bacteria
largest most diverse and well known group of prokaryotes
Archaea
group of prokaryotes that are most related to. eukaryotes than bacteria
Prokaryotes
Single celled organisms with no nucleus
Eukaryotes
organisms with cells that have a nucleus
