What is this organism?

The following figure from your text shows a simplified eukaryote phylogeny. From this figure, answer the following questions. Which stage of the life cycle of Ulva shown is the sporophyte?

Many species of which protist group have modified mitochondria that lack functional electron transport chains?

Which part of the life cycle does a pollen grain represent?

______ are seedless vascular plants.

A gelatinous seaweed that grows in shallow, cold water and undergoes heteromorphic alternation of generations is most probably what type of alga?

Use the figure to answer the following question. The phylogenetic tree shown ________.

Which of the following lack vascular tissue?

Diatoms ______________

Which of the following cellular structures is characteristic of amoebas?