Which of the following is true of the life cycle of a plant?

The amount of carbon 14 (C-14) in a fossilized Gingko plant is determined to be   of that of a current living Gingko plant.  How old is the fossil? (Only put the numerical value.) Note: the half-life of C-14 is 5,700 years.  (Use the calculator in Honorlock if needed.)  

Use the picture below to answer the questions. 1. Which reproductive structure of the liverwort, Marchantia, is shown in the  larger box? 2. Which of the following is most likely present in the inset (the smaller box)?  

The specimen indicated by letter A is a ___________ diatom.   

What is the purpose of the brown round structures? (Do not put “reproduction”.)

State one benefit of bacteria to humans.

In the life cycle of a plant, which of the following processes begins the sporophyte generation?

The organism shown is . The arrow is pointing to the .   

What is the dark structure inside the organism indicated by the arrow?

Which of the following form of fossilization would most likely retain genetic information.  Select the two best answers.