A protist that is both autotrophic and heterotrophic and has one flagellum and a red eye spot is:

While exploring a newly exposed shoreline, you find a new protist. It appears to be multicellular, it uses carbon dioxide from the air to carry out photosynthesis, and its chloroplasts closely resemble those of ferns and grasses. This organism is most likely to belong to the group

Which of the following is a characteristic that the archaeplastids (red algae, green algae, and plants) have in common, but is not a characteristic of the other protist lineages.

The protists most closely related to animals are:

Which of the following statements about protists is false?

A complete lack of vascular tissue is characteristic of

A woman develops liver inflammation, a high fever, and a severe decline in red blood cell numbers. Her blood is filled with a parasitic, single-celled organism. When asked about any recent travel, she tells the nurse about her trip to a tropical rain forest. It was a great trip except for the huge number of mosquitoes that bit her. She is probably infected with

The life-cycle of all plants includes a multicellular embryo that forms inside a chamber of parental tissues and receives nourishment from the parent during early development.

When a red tide (harmful algal bloom) occurs, huge numbers of microscopic organisms are filtered out of coastal waters by oysters and clams. This sometimes causes the shellfish to become toxic to people who eat them. The organisms that create the red tide are classified as

The dominant part of the life cycle of mosses is the: