28
QuizMultiple Choice

Lab: Natural Selection-Standard Bio 4.2 — Unit test

Question 28 • Fall 24 GSE Biology B-IC

A sunflower is an angiosperm, and a gingko is a gymnosperm. Which three statements correctly describe the life cycles of sunflowers and gingkoes?I. Both the sunflower and gingko have seeds.II. Both the sunflower and gingko have cones.III. The seeds of sunflowers are protected by a fruit; the seeds of gingkoes are not protected by a fruit.IV. The life cycle of sunflowers involves double fertilization; the life cycle of gingkoes involves single fertilization.

Answer
A
I, II, and III
B
I, III, and IV
C
II, III, and IV
D
I, II, and IV

Explanation

Both plants produce seeds, so statement I is correct. Sunflower seeds develop inside a fruit, while ginkgo seeds are not enclosed by a fruit, making III correct. Angiosperms such as sunflowers undergo double fertilization, whereas gymnosperms such as ginkgoes undergo single fertilization, so IV is correct. Statement II is false because sunflowers do not have cones.

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