Of the following, the most urgent need for an improved vaccine relates to:

TLS Online TPP Program

#Question id: 18004

#Unit 9. Diversity of Life Forms

Which of the following flower parts develops into a seed? 

TLS Online TPP Program

#Question id: 18005

#Unit 9. Diversity of Life Forms

Which structure is common to both gymnosperms and angiosperms? 

TLS Online TPP Program

#Question id: 18078

#Unit 9. Diversity of Life Forms

Which of the following can be found in gymnosperms? 

TLS Online TPP Program

#Question id: 18079

#Unit 9. Diversity of Life Forms

Within a gymnosperm megasporangium, what is the correct sequence in which the following should appear during development, assuming that fertilization occurs? 

1. Sporophyte embryo 2. female gametophyte 

3. egg cell                 4. megaspore 

TLS Online TPP Program

#Question id: 18080

#Unit 9. Diversity of Life Forms

The following are all adaptations to life on land except

TLS Online TPP Program

#Question id: 18221

#Unit 9. Diversity of Life Forms

In animal cells and in the meristem cells of land plants, the nuclear envelope disintegrates during mitosis. This disintegration does not occur in the cells of most protists and fungi. According to our current knowledge of plant evolution, which group of organisms should feature mitosis most similar to that of land plants?