Agroup of similar cells that perform a particular function is called a(an)
a. organ.
c. tissue.
b. organ system.
d. division of labor.

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.