Which of the following adaptations to life on land is found in both insects and modern reptiles?
a) two pairs of walking legs

b) tracheae to distribute oxygen

c) body surfaces that resist evaporation

d) metamorphosis from a larval form

e) ability to fly

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.

Nh3 +02-no + h20 is unbalanced what is the balanced equation

Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale