Biology lecture 1 Flashcards
what is biology
study of life
what is the organisation of life
- molecule
- cell
- tissue
- organ
- organ systems
- individual
- population
- community
- ecosystem
- biosphere
what is a molecule
chemical component of cell
what is a cell
smallest unit of life
what is a tissue
a group of similar cells that perform the same function
what is an organ
a structure with two or more tissues working together to perform a function
what is an organ system
at least two organs working together to perform a function
what is an individual
a single organism
what is a population
all individuals of the same species in an area
what is a community
all species in an ecosystem that can interact
what is an ecosystem
a community and it‘s physical environment
what is the biosphere
part of the earth that supports life
what are the 7 properties of life
1) cells and biomolecules (organisms concist of one or more cells)
2) energy use and metabolism
3) response to environmental change
4) regulation and homeostasis
5) growth and development
6) reproduction
7) biological evolution
