the death rate when compared to those
A study of victims of heart attacks one year later revealed that pet owners had
without pets.
Select one:
O a. three-fourths
Ob. one-fifth
Oc. one-tenth
O d. one-half
Oe. one-third

Biologists recognize five levels of cell organization. the lowest and simplest is the cellular level. organisms here are either unicellular organisms, like protozoa, or colonial organisms. colonial organisms are composed of single-celled individuals that stay together to sustain the life of the whole colony. next on the scale of complexity is the level occupied by tissue. a tissue is a group of similar cells which perform a similar activity. tissues that are organized around a common function together make up an organ, the third level of complexity. the fourth level of organization is the system, formed by a group of organs which together perform a specific bodily process. the fifth and highest level is the organism level, in which body systems work together in a structure capable of independent life. main idea:

Which sentence is correct? laura lent me her copy of cooking weekly so i could use a recipe. i enjoy doing crossword puzzles from the new york times. herman melville wrote the novel “moby d ick.” maggie loves to read the smithsonian magazine.

Essay on kashmir is heaven on earth