What factors are necessary for natural selection to occur? O Changes that occur as an organism grows can be inherited, such as increased muscle mass from exercise.
O A population's changes over many generations happen to help the organisms evolve to be more advanced
O Adaptations are specific to the current environment, and may no longer be beneficial if the environment changes.
O Adaptations are used to help organisms evolve and reach perfection and are independent of environmental factors.

Name the glands associated with human digestive system

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.

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !