Both energy and chemicals cycle through an ecosystem.
Answer the following statement true (T) or false (F)
False
Chemicals cycle through an ecosystem, but energy flows one way and is eventually lost.
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The first snakes evolved during the Cretaceous, from short-legged, long-bodied ____
a. lizards b. birds c. crocodilians d. turtles e. amphibians
An Olympic marathon runner probably has more ____ than does an Olympic weight lifter
a. white muscle fibers b. red muscle fibers c. creatine phosphate d. stored ATP e. Stored oxygen
Which of the following is false?
a. Periderm is a primary tissue. b. There is no tissue in animals that corresponds to meristem tissue of plants. c. Growth from cell division at the tips of stems and roots produces primary growth. d. Divisions of the lateral meristem increase the diameter of the roots and stems. e. Lateral meristem activity produces secondary growth.
Club mosses belong to the phylum Bryophyta
____________________ Indicate whether the statement is true or false.