Which of the following is TRUE concerning

seeds?



a. Present-day ferns produce seeds.
b. Seeds contain an immature sporophyte.
c. Pollen grains mature into seeds.
d. Seeds contain a food source.
e. All of these are true


B

Biology & Microbiology

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The cephalochordates possess an atrium that is used to filter microscopic food particles out of the water.

Answer the following statement true (T) or false (F)

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Which type of soil will supply nutrients to plants while its acidity leaches minerals from rock?

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Which of the following statements about cilia is false?

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