Biology 2nd Semester TEST

an 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

• autotroph -
• derived character -
• cladogram -
• clade -

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

• primary producer -
• autotroph -
• derived character -
• cladogram -

process used by plants and other arographs to capture light energy and use it to power chemical reactions that convert carbon dioxide and water into oxygen such as sugar and starches

• Photosynthesis -
• primary producer -
• autotroph -
• derived character -

process in which chemical energy is used to produce carbohydrates

• Chemosynthesis -
• Photosynthesis -
• primary producer -
• autotroph -

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

• Heterotroph -
• Chemosynthesis -
• Photosynthesis -
• primary producer -

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

• consumer -
• Heterotroph -
• Chemosynthesis -
• Photosynthesis -

small pieces of dead or decaying plant or animal remains

• detritus -
• consumer -
• Heterotroph -
• Chemosynthesis -

A series of steps in which organisms transfer energy by eating and being eaten

• food chain -
• detritus -
• consumer -
• Heterotroph -

photosynthetic algae found near the surface of the ocean

• phytoplankton -
• food chain -
• detritus -
• consumer -

network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem

• food web -
• phytoplankton -
• food chain -
• detritus -