BIO 1050 EXAM 1 ECU VERIFIED TEST PAPER
QUESTIONS AND SOLUTIONS
◉ Where do archaea live.
Answer: extreme environments
-lack oxygen, aquatic, too salty or hot for others
◉ Where does bacteria live.
Answer: everywhere
◉ Eukaryotic cells.
Answer: Larger, complex, with nucleus, membrane bound organelles,
DNA tightly wrapped around histone proteins in chromosomes,
cellulose in plant cell walls.
◉ emergent properties.
Answer: New properties that arise with each step upward in the
hierarchy of life, owing to the arrangement and interactions of parts
as complexity increases.
◉ ether linkage.
Answer: Archaea (c o c)
,◉ ester linkage.
Answer: bacteria and eukarya
◉ Biosphere.
Answer: All life on earth and the place where life exists
◉ Ecosystem.
Answer: all the organisms in a particular area, as well as the physical
components with which life interacts, such as:
- soil, water, and light
◉ Community.
Answer: all the organisms in an ecosystem
◉ population.
Answer: A group of individuals that belong to the same species living
in a community
◉ organisms.
Answer: individual living things
, ◉ organs and organ systems.
Answer: Body parts that perform a specific function. Several organs
may cooperate in an organ system
◉ tissue.
Answer: A group of similar cells that perform the same function.
◉ cell.
Answer: The basic unit of structure and function in living things
◉ organelle.
Answer: A membrane-enclosed structure with a specialized function
within a cell.
◉ molecule.
Answer: a chemical structure consisting of at least two atoms held
together by a chemical bond
◉ Which of these levels of biological organization includes all of the
others in the list: cell, molecule, organ, tissue?.
Answer: organ
◉ science.
QUESTIONS AND SOLUTIONS
◉ Where do archaea live.
Answer: extreme environments
-lack oxygen, aquatic, too salty or hot for others
◉ Where does bacteria live.
Answer: everywhere
◉ Eukaryotic cells.
Answer: Larger, complex, with nucleus, membrane bound organelles,
DNA tightly wrapped around histone proteins in chromosomes,
cellulose in plant cell walls.
◉ emergent properties.
Answer: New properties that arise with each step upward in the
hierarchy of life, owing to the arrangement and interactions of parts
as complexity increases.
◉ ether linkage.
Answer: Archaea (c o c)
,◉ ester linkage.
Answer: bacteria and eukarya
◉ Biosphere.
Answer: All life on earth and the place where life exists
◉ Ecosystem.
Answer: all the organisms in a particular area, as well as the physical
components with which life interacts, such as:
- soil, water, and light
◉ Community.
Answer: all the organisms in an ecosystem
◉ population.
Answer: A group of individuals that belong to the same species living
in a community
◉ organisms.
Answer: individual living things
, ◉ organs and organ systems.
Answer: Body parts that perform a specific function. Several organs
may cooperate in an organ system
◉ tissue.
Answer: A group of similar cells that perform the same function.
◉ cell.
Answer: The basic unit of structure and function in living things
◉ organelle.
Answer: A membrane-enclosed structure with a specialized function
within a cell.
◉ molecule.
Answer: a chemical structure consisting of at least two atoms held
together by a chemical bond
◉ Which of these levels of biological organization includes all of the
others in the list: cell, molecule, organ, tissue?.
Answer: organ
◉ science.
