What is sex

Assignment Help Biology
Reference no: EM133264076

Assignment:

ANSWER THE QUESTIONS BELOW

1. According to the phylogeny, which three taxa are non-vascular embryophytes?

2. According to the phylogeny, which four taxa are seedless vascular embryophytes?

3. What was Earth like prior to the evolution of terrestrial land plants? How did plants change the planet?

4. What major events occurred in the history of the evolution of plants, and when did each event occur in Earth's history (both period and rough date)?

5. What "unifying traits" define all members of Kingdom Plantae?

6. In the context of biology, what is sex? What is reproduction? What is the difference between sexual and asexual reproduction?

7. Draw and label the generic alternation of generations life cycle observed in all embryophytes.

8. What do the terms haploid and diploid mean?

9. What is the function or outcome of meiosis in all life cycles?

10. What is the function or outcome of fertilization in all life cycle diagrams?

11. What is the sporophyte? What is the gametophyte?

12. When is the plant in a sexual phase? When is the plant in an asexual phase?

13. What phase of the life cycle (sporophyte or gametophyte) is dominant in non-vascular plants? Why?

14. What phase of the life cycle (sporophyte or gametophyte) is dominant in the vascular plants? Why?

15. Draw and label the important anatomical structures of a typical liverwort, such as Marchantia.

16. Roughly how tall/large is the average liverwort?

17. Draw and label the important anatomical structures of a typical hornwort, such as Anthoceros.

18. Roughly how tall/large is the average hornwort?

19. Draw and label the important anatomical structures of a typical moss, such as Polytrichum.

20. Roughly how tall/large is the average moss?

21. Of the three clades of non-vascular plants, which one is the most likely outgroup (with the closest shared common ancestry) to the seedless vascular plants?

22. What is a rhizoid?

23. Do non-vascular plants have roots or leaves?

24. Draw and label the reproductive cycle of a typical moss (Bryophyte), such as Polytrichum.

25. Two prefixes are often used to describe male and female plant structures, "arche-" and "anthe." Which prefix applies to male structures, and which applies to female structures?

26. Draw the archegonium and antheridium seen in a typical liverwort like Marchantia.

27. Where would fertilization and the growth of the sporophyte occur in a non-vascular plant?

28. What environmental conditions are required for successful transfer of gametes during sexual reproduction in non-vascular plants?

29. What trait evolves in the seedless vascular plants that is not observed in their ancestors (the non- vascular plants)?

30. What are tracheids? What evolutionary trend did they cause?

31. What is a Rhizome? How does it compare to a rhizoid? What are roots?

32. Draw and label the important anatomical structures of a typical club moss, such as Lycopodium.

33. Draw and label the important anatomical structures of a typical whisk fern, such as Psilotum.

34. Equisetophyta - Draw and label the important anatomical structures of a typical horsetail, such as Equisetum.

35. Pterophyta/Pteridophyta - Draw and label the important anatomical structures of a typical true fern.

36. Of the four phyla of seedless vascular plants, which is the only group to have true fibrous roots, rhizoids, stems, and megaphyll leaves?

37. Draw a diagram of a homosporous life cycle versus and heterosporous life cycle.

38. Which groups of seedless vascular plants are homosporous? Which are heterosporous?

39. What do the prefixes "mega" and "micro" mean when applied to plant reproductive structures?

40. Is reproduction in the seedless vascular plants still water-dependent? Why or why not?

41. Draw a diagram of the typical life cycle of a true fern. Be sure to identify the sori and fiddleheads in your diagram.

Reference no: EM133264076

Questions Cloud

Types of tree what are some of the shapes of the leaves : Identify some of the features of the species. For example: if you choose 5 types of tree what are some of the shapes of the leaves?
Discussing sex in public in front of friends and foes : What were your feelings about discussing sex in public in front of friends and foes? Were you embarrassed, scared or just numb?
Describe the molecules and mechanism of translation : Describe the molecules and mechanism of translation. Describe why translation is important. Compare the mechanisms of transcription and translation.
Identify the following-oral plate-liver-thyroid-notochord : Given an isolated transverse section, how could one distinguish between the imaginations which form the nasal pits and those which form the auditory pits?
What is sex : In the context of biology, what is sex? What is reproduction? What is the difference between sexual and asexual reproduction?
Describe the event causing robins symptoms : Describe the event causing Robins symptoms described above and name the type of dementia from which Robin is suffering following this event.
Why it would be an essential product : The goals of Golden Rice and why it would be an essential product. Why Golden Rice is not grown prevalently in countries where Vitamin A deficiency is an issue.
How could infanticide be seen as male reproductive strategy : How could infanticide be seen as a male reproductive strategy? Why is infanticide more prevalent in species that form one-male.
How did microscopes help with development of disease theory : How did microscopes help with the development of the Disease Theory.

Reviews

Write a Review

Biology Questions & Answers

  Immune response to infectious disease

It is a very curcial concept to understand how the immune response is mounted against viruses, bacteria, protozoans and helminthes. For an effective immune response, both innate and adaptive immunity should work together.

  A review on advanced glycated end products (ages)

This Project report elaborates a critical review of important elements attached to Advanced Glycated End Products (AGEs). It is very crucial to understand the process called Millard reaction.

  Plastic as a soil stabilizer

Soil stabilization is the permanent physical and chemical alteration of soils to enhance their physical properties. Stabilization can increase the shear strength of a soil and control the shrink-swell properties.

  Principles of microbiology

This assignment has three parts which contains questions related to Microbiology. It contains basic principles of microscopy, staining techniques in microbiology and microbial growth in the food industry.

  List the biologic functions

Lipid metabolites are often seen as key elements in cellular signaling. Is this unique? Please provide several examples of the function of lipids as key elements in signal arrays and list the biologic functions these signals affect?

  Biologic function relationships

Please describe how one might search for chemical structure, biologic function relationships, involving small molecular weight lipophylic compounds. Provide one example.

  Case study on patient in the haematology laboratory

Write a case study which detailing a scenario of a patient being investigated in the Haematology laboratory.

  Use of pcr and genetic approaches in biotechnology

The use of PCR and genetic approaches in biotechnology

  Describe the role of this enzyme in honey

Glucose oxidase is an enzyme that can be used for measurements of glucose levels by combining this reaction with an oxygen probe.

  Genetic problems

What phenotypic ratio would you get if you crossed a white mouse and a heterozygous brown mouse?

  Prepare an essay on nosocomial infection

Prepare an essay on nosocomial infection.

  Monitoring and recording the blood pressure

To increase the awareness of monitoring and recording the blood pressure of patients and practice measuring blood pressure in a safe environment.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd