Table of contents

1. Introduction to Biology2h 42m
2. Chemistry3h 37m
3. Water1h 26m
4. Biomolecules2h 23m
5. Cell Components2h 26m
6. The Membrane2h 31m
7. Energy and Metabolism2h 0m
8. Respiration2h 40m
9. Photosynthesis2h 49m
10. Cell Signaling59m
11. Cell Division2h 47m
12. Meiosis2h 0m
13. Mendelian Genetics4h 44m
14. DNA Synthesis2h 27m
15. Gene Expression3h 6m
16. Regulation of Expression3h 31m
17. Viruses37m
- Viruses
  37m
18. Biotechnology2h 58m
19. Genomics17m
- Genomes
  17m
20. Development1h 5m
21. Evolution3h 1m
22. Evolution of Populations3h 53m
23. Speciation1h 37m
24. History of Life on Earth2h 6m
25. Phylogeny2h 31m
26. Prokaryotes4h 59m
27. Protists1h 12m
28. Plants1h 22m
29. Fungi36m
- Fungi
  19m
- Fungi Reproduction
  17m
30. Overview of Animals34m
- Overview of Animals
  34m
31. Invertebrates1h 2m
32. Vertebrates50m
33. Plant Anatomy1h 3m
34. Vascular Plant Transport1h 2m
- Water Potential
  1h 2m
35. Soil37m
- Soil and Nutrients
  20m
- Nitrogen Fixation
  16m
36. Plant Reproduction47m
- Flowers
  33m
- Seeds
  14m
37. Plant Sensation and Response1h 9m
38. Animal Form and Function1h 19m
39. Digestive System1h 10m
- Digestion
  1h 3m
- Blood Sugar Homeostasis
  7m
40. Circulatory System1h 49m
41. Immune System1h 12m
42. Osmoregulation and Excretion50m
- Osmoregulation and Excretion
  50m
43. Endocrine System1h 4m
- Endocrine System
  1h 4m
44. Animal Reproduction1h 2m
- Animal Reproduction
  1h 2m
45. Nervous System1h 55m
- Neurons and Action Potentials
  1h 8m
- Central and Peripheral Nervous System
  46m
46. Sensory Systems46m
- Sensory System
  46m
47. Muscle Systems23m
- Musculoskeletal System
  23m
48. Ecology3h 11m
49. Animal Behavior28m
- Animal Behavior
  28m
50. Population Ecology3h 41m
51. Community Ecology2h 46m
52. Ecosystems2h 36m
53. Conservation Biology24m
- Conservation Biology
  24m

28. Plants

Seed Plants

General Biology

28. Plants

Seed Plants

Previous problemNext problem

2:46 minutes

Problem 5

Textbook Question

The eggs of seed plants are fertilized within ovules, and the ovules then develop into
a. Seeds.
b. Spores.
c. Fruit.
d. Sporophytes.

Verified step by step guidance

Understand the reproductive process in seed plants: Seed plants reproduce sexually, and fertilization occurs within the ovules, which are structures found inside the ovary of the flower.

Recognize the role of ovules: After fertilization, the ovules contain the zygote, which will develop into an embryo. The ovule itself transforms into another structure as part of the reproductive process.

Recall the transformation of ovules: In seed plants, the ovules develop into seeds after fertilization. Seeds contain the embryo, a food supply, and a protective coat.

Differentiate between seeds, spores, fruit, and sporophytes: Spores are reproductive cells in non-seed plants like ferns and mosses. Fruit is a structure that develops from the ovary and aids in seed dispersal. Sporophytes are the diploid phase of the plant life cycle, which includes the mature plant.

Conclude that the correct answer is based on the transformation of ovules into seeds after fertilization, as this is a key characteristic of seed plants.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Fertilization in Seed Plants

In seed plants, fertilization occurs when pollen grains, which contain male gametes, reach the ovule, where the female gamete resides. This process leads to the formation of a zygote, which eventually develops into a seed. Understanding this process is crucial for grasping how seed plants reproduce and propagate.

Ovules and Seeds

Ovules are structures within seed plants that contain the female gametes and develop into seeds after fertilization. A seed consists of an embryo, a food supply, and a protective seed coat. This transformation from ovule to seed is a key aspect of the reproductive cycle in seed plants, highlighting their evolutionary advantage.

Plant Life Cycle

The plant life cycle includes alternating generations, specifically the sporophyte and gametophyte stages. In seed plants, the dominant sporophyte generation produces ovules and seeds, while the gametophyte is reduced and dependent on the sporophyte. Understanding this cycle is essential for comprehending how seed plants develop and reproduce.