The rate at which an ecosystem's producers convert solar energy to chemical energy stored in biomass is called ________
A) energy flow
B) chemical cycle
C) primary productivity
D) trophic structure
C
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Cell membranes consist mainly of a _____
a. carbohydrate bilayer and proteins c. lipid bilayer and proteins b. protein bilayer and phospholipids
A lichen is made up of which two types of organisms?
A. a fungus and a nonvascular plant species B. a fungus and an algal species C. an alga and a vascular plant species D. an alga and a nonvascular plant species E. a fungus and either an algal or bacterial species
Both photosynthesis and cellular respiration take place in the cells of a leaf. What products from cellular respiration are used in photosynthesis?
A) water and glucose B) glucose and oxygen C) glucose and carbon dioxide D) water and carbon dioxide
List the order of events that will occur during a reflex arc.
What will be an ideal response?