What four cells make up the pollen grain in Conifers? Are coniferous sperm flagellated? Where does fertilization...

50.1K

Verified Solution

Question

Biology

What four cells make up the pollen grain in Conifers?
Are coniferous sperm flagellated?
Where does fertilization occur and what structure becomes aseed in pine trees?
Explain double fertilization
Name the structures that precede the ones listed in the lifecycle of a seed plant.
Female gametophyte
Male gametophyte
c. _Adult sporophyte
What are the three parts of a seed in angiosperm
Compare conifers to flowering plants by completing thefollowing table:
DominantGeneration
Vascular Tissue (Present orAbsent)
Dispersal ofOffspring
Fruit (Present orAbsent)
Conifer
Flowering plant
Compare the location of the ovule in the pine and the floweringplant.
What is the difference between pollination andfertilization?

Answer & Explanation Solved by verified expert

3.6 Ratings (557 Votes)

Ans1 Four cells that make up the pollen of conifers are two prothallial cells one generative cell and one tube cell After pollination the prothallial cell degenerates while the tube cell develops into pollen tube and the generative cell divides mitotically to produce a sterile cell and a spermatogenous cell which divide prior to fertilisation to produce two male gametes Ans2 Conifers See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member