Exam 17: Protists: Advent of the Eukaryotes

Which organisms can do photosynthesis when there is light and become heterotrophs in the dark?

The malarial parasite,Plasmodium,belongs to this group.

The majority of protists reproduce ________ most of the time.

The euglenozoan known as Trypanosoma causes _________ in humans.

Which of the following reproduce by parthenogenesis?

A(n)__________ is a transient collection of individuals that come together for a time.

Protists typically only reproduce sexually during ________.

Downy mildews such as Phytophthora infestans belong to this group.

The most diverse kingdom is made up of the ______________.

There are over 11,500 species of these protists that have ornate,glasslike shells.

The most common type of asexual reproduction seen in the protists is _________.

What was the original purpose of sexual reproduction?

Protists in this group have a pellicle,and a light-sensitive organ called the stigma.

Although __________________ evolved many times in different lines of the protists,most protists are single-celled.

Why do biologists believe that red algae may be one of the most ancient groups of eukaryotes?

Eukaryotes are first seen in the fossil record __________ years ago.

The marine protists with pore-studded shells called tests belong to this group.

What is schizogony?

The development of an adult from an unfertilized egg is a form of asexual reproduction known as _______________.

_____________ is a common name for green photosynthetic protists.