Which best describes how farmers have used scientific advancements? a. to create new types of plants b. to modify crops for different environments c. to eliminate all pests d. to control the rate of crop growth e. to improve productivity

Which of the following statements is true about taste bud preferences? a. taste buds respond exclusively to a certain taste sensation, like saltiness. b. taste buds have the ability to respond to all of the taste sensations. c. taste buds do not differentiate between bitter and salty sensations. d. taste buds have the capability to detect three taste sensations.

Which of the following would most likely be a preservationist, as opposed to a conservationist, approach to public land management? i. allowing unrestricted boat access to a lake ii. allowing atv use in all areas of public land iii. closing fragile sections of a park to tourists i only ii only iii only i and iii ii and iii

Wich of the following is not a receptor pair according to the opponent process theory