Sandall chpt 1
Terms
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- Living things can be studied at different levels of organization from the molecular level to the largest ecosystem
- False
- a typical organ is made up of many different kinds of cells and tissues
- true
- a biosphere is the community of living things in an area along with the non living features of the environment that supports the living community
- false
- the smallest living things are single organisms
- false
- biologists have so far identified more than 1.5 million cells
- false
- along the length of each DNA molecule are units of inherited information called genes
- true
- there is a division of labor among the cells of multicellular organisms
- true
- an organisms biological classification is like a postal address
- true
- natural selection works by the natural environment \"selecting\" certain inherited traits that increase an individuals likelihood of survival and reproduction
- true
- a combination of parts can form a complex organization called a system
- true
- most eukaryotes are unicellular organisms
- false
- lifes basic unit of structure and function is the
- cell
- a squirel and an oak tree are both examples of individual
- organisms
- the cells of a multicellular organisms are often
- specialized to perform particular functions
- each distinct form of life or type of organism is called a
- species
- what is the term for all parts of Earth inhabited by living things
- biosphere
- the biosphere is
- all parts of Earth inhabited by living things
- which term refers to cells having different jobs in an organism
- specialization
- which organizational level includes all the other levels
- biosphere
- the amount of light and temperature are examples of
- factors to which living things respond
- which list represents levels of organization in a multicellular organism from the simplest level to the most complex level
- cell, tissue, organ, organ system
- which best explains why birds fly south for winter
- living things respond to their environment
- organisms keep their internal conditions relatively stable
- homeostasis
- organizing similar species into larger groups is called
- classification
- many biologists call the broadest category of life a
- domain
- unlike the members of domains bacteria and archaea, the members of domain eukarya
- have nuclei
- what is NOT a theme of biology
- movement
- an organ system is a group of organs that
- work together in performing a major body function
- what is the term for a localized group of organisms belonging to the same species
- population
- cell specialization in multicellular organisms allow cells to
- perform different functions
- a group of cells that together perform a similar function
- tissue