Bio exam 2

1. Which of the following did NOT represent a challenge that plants faced in colonizing land from the ocean?

As a result of the diversification and rise to ecological dominance of angiosperms, tropical forests are thought to have become:

Which of the following correctly describes the “fern” we see when walking in the woods?

Which taxonomic group of angiosperms contributes most to the global food supply for human societies?

Based on a lack of _____ in their fossil record, the earliest land plants are thought to have only been able to maintain photosynthesis intermittently.

Which taxonomic group of land plants still in existence today was the dominant group of land plants when the angiosperms began their rapid increase in speciation and distribution?

Which of the following plants were present on Earth 350 million years ago?

Which of the following plants were present on Earth 100 million years ago?

As discussed in the text, angiosperms are, by far, the most diverse group of plants. According to the phylogenetic tree in Figure 33.1, which group would be considered the LEAST diverse?

Which of the following is a feature of land plants that is also found among the group of green algae from which land plants arose, and, therefore, may represent a “pre-adaptation” to life on land?

Which of the following traits were likely present in the last common ancestor of bryophytes?

Land plants (not necessarily angiosperms) appeared in the fossil record approximately 200 million years ago, only slightly before the appearance of complex animals on Earth.

Which of the following statements is TRUE regarding angiosperms?

With the appearance of angiosperms on Earth, all other types of plants became extinct. The conifers, cycads, and ferns seen today are in no way related to plant species existing millions of years ago.

Which of the following groups of land plants first appeared in the fossil record MOST recently?

Vascular tissue evolved first in

Gametophytes are

The first adaptation by plants to living on land was the

The first stomate evolved on a

The most evolutionarily advanced plant to contain sperm is in the