During cell division, sometimes there will be failure of separation of sister chromatids. This event is called

TLS Online TPP Program

#Question id: 18971

#Unit 9. Evolution & Diversity of Life Forms

The following are all true about the life cycle of mosses except

TLS Online TPP Program

#Question id: 18972

#Unit 9. Evolution & Diversity of Life Forms

Beginning with the germination of a moss spore, what is the sequence of structures that develop after germination? 

1. Embryo                  2. Gametes 

3. Sporophyte 4. Protonema 

5. Gametophore 

TLS Online TPP Program

#Question id: 18973

#Unit 9. Evolution & Diversity of Life Forms

Bryophytes may feature all of the following at some time during their existence except 

TLS Online TPP Program

#Question id: 18974

#Unit 9. Evolution & Diversity of Life Forms

Which feature of cycads distinguishes them from most other gymnosperms? 

1. They have exposed ovules

2. They have flagellated sperm

3. They are pollinated by animals

TLS Online TPP Program

#Question id: 19018

#Unit 9. Evolution & Diversity of Life Forms

which trait(s) is (are) shared by many modern gymnosperms and angiosperms? 

1. Pollen transported by wind 

2. Lignified xylem 

3. Microscopic gametophytes 

4. Sterile Sporophylls, modified to attract pollinators 

5. Endosperm 

TLS Online TPP Program

#Question id: 19019

#Unit 9. Evolution & Diversity of Life Forms

Arrange the following structures, which can be found on male pine trees, from the largest structure to the smallest structure (or from most inclusive to least inclusive). 

1. sporophyte 2. microspores 

3. microsporangia 4. Pollen cone 

5. Pollen nuclei