Multiple Choice
In the life cycle of ferns, the multicellular female gametangium (the sex organ that contains an egg) is a(n) __________.
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Table of contents
- 1. Introduction to Biology
- 2. Chemistry
- 3. Water
- 4. Biomolecules
- 5. Cell Components
- 6. The Membrane
- 7. Energy and Metabolism
- 8. Respiration
- 9. Photosynthesis
- 10. Cell Signaling
- 11. Cell Division
- 12. Meiosis
- 13. Mendelian Genetics
- Introduction to Mendel's Experiments
- Genotype vs. Phenotype
- Punnett Squares
- Mendel's Experiments
- Mendel's Laws
- Monohybrid Crosses
- Test Crosses
- Dihybrid Crosses
- Punnett Square Probability
- Incomplete Dominance vs. Codominance
- Epistasis
- Non-Mendelian Genetics
- Pedigrees
- Autosomal Inheritance
- Sex-Linked Inheritance
- X-Inactivation
- 14. DNA Synthesis
- 15. Gene Expression
- 16. Regulation of Expression
- Introduction to Regulation of Gene Expression
- Prokaryotic Gene Regulation via Operons
- The Lac Operon
- Glucose's Impact on Lac Operon
- The Trp Operon
- Review of the Lac Operon & Trp Operon
- Introduction to Eukaryotic Gene Regulation
- Eukaryotic Chromatin Modifications
- Eukaryotic Transcriptional Control
- Eukaryotic Post-Transcriptional Regulation
- Eukaryotic Post-Translational Regulation
- 17. Viruses
- 18. Biotechnology
- 19. Genomics
- 20. Development
- 21. Evolution
- 22. Evolution of Populations
- 23. Speciation
- 24. History of Life on Earth
- 25. Phylogeny
- 26. Prokaryotes
- 27. Protists
- 28. Plants
- 29. Fungi
- 30. Overview of Animals
- 31. Invertebrates
- 32. Vertebrates
- 33. Plant Anatomy
- 34. Vascular Plant Transport
- 35. Soil
- 36. Plant Reproduction
- 37. Plant Sensation and Response
- 38. Animal Form and Function
- 39. Digestive System
- 40. Circulatory System
- 41. Immune System
- 42. Osmoregulation and Excretion
- 43. Endocrine System
- 44. Animal Reproduction
- 45. Nervous System
- 46. Sensory Systems
- 47. Muscle Systems
- 48. Ecology
- 49. Animal Behavior
- 50. Population Ecology
- 51. Community Ecology
- 52. Ecosystems
- 53. Conservation Biology
28. Plants
Seedless Vascular Plants
Back28. Plants
Seedless Vascular Plants
- Multiple ChoiceThe "dots" on the underside of a fern frond are spore cases; therefore, what is true of the plant to which the frond belongs?1299views
- Multiple ChoiceWhere would you find a fern gametophyte?1124views
- Multiple ChoiceFern gametophytes are __________.998views
- Multiple ChoiceIn sporophyte ferns, the leaves are __________.865views
- Multiple ChoiceWhat is the evolutionary significance of megaphylls?1844views
- Multiple ChoiceVascular tissues of plants include __________.1002views
- Multiple ChoiceThe first large forests formed in the Carboniferous period. The decrease in CO2 levels by all of these plants caused __________.732views
- Textbook Question
Microphylls are found in which plant group?
a. Lycophytes
b. Liverworts
c. Ferns
d. Hornworts
993views - Textbook Question
Soils, water, and the atmosphere are major components of the abiotic (nonliving) environment. Describe how green plants affect the abiotic environment in ways that are advantageous to humans.
469views - Textbook Question
Compare and contrast the effects of removing growth factors from asynchronous cultures of human cells that are normal and those that are cancerous.
1022views