Lecture 4 Quiz, All Questions and Answers

botany biology gymnosperms

During what geological period did the lineage Lycopodiophyta (eg club mosses) first arise?

Silurian

Which of the following time periods was characterized by warm climates, swampy habitats and the dominance of seedless vascular plants

Carboniferous

Phylum Lycopodiophyta has two taxonomic classes, Lycopodiopsida and Isoetopsida. What feature is most useful in differentiating these 2 groups.

Homospory vs Heterospory

Like Bryophytes seedless vascular plants are still dependent on a film of water for sperm, to swim to egg (True or false)

TRUE

Which of the following statements is true

Phylum Monilophyta (aka Polypodiophyta or Pteridophyta) has approximately 12,000 extant species today.

Which of the following was a plesiomorphic trait for seedless vascular plants (ie. lycophytes and monilophytes, collectively)

stems

Which of the following statements is TRUE

The formation of pangea lead to the loss of many costal, swampy habitats, leading to the decline from dominance of seedless vascular plants.

Which of the following gymnosperm phyla contains only one extant species

Ginkgophyta

Which of the following gymnosperm phyla contain 3 seemingly unrelated genera: Gnetum, Ephedra, and welwitschia?

Gnetophyta

Which of the following Gymnosperms phyla was the dominant plant group during the Jurassic period

Cycadophyta

Which of the following trees is generally used as the Syracuse Christmas tree

Norway Spruce (Picea abies)

Which of the following species is considered the largest spruce in the world?

Sitka spruce (Picea sitchensis)

Which of the following conifer genera contains the most native or naturalized species in NYS?

Pinus

Of the following species of Pinus which is NOT Native to North America

P. pinea (stone pine)

Which conifer has individuals that are arguably the oldest living things on earth?

Great-basin Bristlecone pine (Pinus Longaeva)

According to the video in class the evolution of the flowering plant and human lineages are closely linked because

early primates developed more precise color visions they adapted to see colors of ripe fruit