Chapter 4.1

Question 1

organism that is able to capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds; also called a producer

Answer 1

Autotroph

Question 2

first producer of energy-rich compounds that are later used by other organisms

Answer 2

Primary Producers

Question 3

process used by plants and other autotrophs to capture light energy and use it to power chemical reactions that convert carbon dioxide and water into oxygen and energy-rich carbohydrates such as sugars and starches

Answer 3

Photosynthesis

Question 4

process in which chemical energy is used to produce carbohydrates

Answer 4

Chemosynthesis

Question 5

organism that obtains food by consuming other living things; also called a consumer

Answer 5

heterotroph

Question 6

organism that relies on other organisms for its energy and food supply; also called a heterotroph

Answer 6

Consumers

Question 7

material made up of decaying bits of plant and animal material

Answer 7

Detritus