Plant Phylogeny

Question 1

Hepatophyta

Answer 1

Liverworts

Question 2

Bryophyta

Answer 2

Mosses

Question 3

Lycophyta

Answer 3

Club Mosses

Question 4

Monilophyta

Answer 4

Ferns and whisk ferns

Question 5

Coniferophyta

Answer 5

Cone bearing trees

Question 6

Anthophyta

Answer 6

Flowering plants

Question 7

Eukarya 4 supergroups

Answer 7

1. Excavata
2. SAR
3. Archaeplastida
4. Unikonta

Question 8

6 Main traits of bryophytes

Answer 8

1. Dominant gametophytic phase
2. No xylem or phloem
3. No roots
4. No leaves
5. No cuticle
6. Sporophyte dependent on female gametophyte for nutrition

Question 9

Megasporangis

Answer 9

Produce megaspores that give rise to the female gametophytes

Question 10

Microsporangia

Answer 10

Produce microspores that give rise to male gametophytes

Question 11

Phylum Cycadophyta

Answer 11

Cycads thrived during mesozoic but relatively few species exist today, unlike most seed plants, cycads have flagellated sperm. Living fossil

Question 12

Phylum Ginkogophyta

Answer 12

Consists of a single living species, it has a high tolerance to air pollution and is a popular ornamental tree

Question 13

Phylum Gnetophyta

Answer 13

Comprises of : Gnetum, Ephedra and Welwitschia, not a lot of diversity

Question 14

Phylum Coniferophyta

Answer 14

This phylum is by far the largest of the gymnosperm phyla, emerged in the jurassic period and conifers are evergreens

Question 15

Flowers

Answer 15

flowers that have all four organs are called complete, those lacking one or more organs are called incomplete. Have different types of symmetry, and different organization of stamens and carpels

Question 16

Fruits

Answer 16

Fruits protect seed and aid in dispersal, Mature fruits can be freshy or dry. Seeds can be carried by wind, water or animals to new locations.