Which of the following organisms is not in the phylum echinodermata?
a. brittle star
b. lancelet
c. sea star
d. sand dollar

Advances in technology have enabled scientists and researchers to better study the evolutionary relationships between species

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.

Donde se encuentra el adn nuclear en un organismo eucariota?