CHapter 25

Which pair of alternatives is highlighted by the life cycle of the cellular slime molds, such as Dictyostelium?

A large seaweed that floats freely on the surface of deep bodies of water would be expected to lack which of the following?

Multicellular colonies of plant cells adhere to each other primarily by ________, whereas multicellular colonies of animal cells are typically held together by ________.

Earth probably formed __________ years ago, and the first life evolved as early as __________ years ago.

The last common ancestor of fungi and animals was most likely a

Which of the following was derived from an ancestral cyanobacterium?

Which of the following is a correct statement about cellular slime molds?

A snail-like, coiled, porous test (shell) of calcium carbonate is characteristic of which group?

Why has the kingdom Protista been abandoned?

Coral bleaching, which causes high coral mortality, has been occurring widely in coral reefs. Coral bleaching actually refers to the death of symbiotic dinoflagellates living within the corals. Why does coral bleaching cause the corals to die?

Given its mode of reproduction and internal structures, which of the following should be expected to occur in Giardia at some stage of its life cycle? 1. separation (segregation) of daughter chromosomes 2. crossing over 3. meiosis

Why can eukaryotes be considered "combination" organisms?

The evolution of multicellularity in animals has primarily occurred by

A sign on the beach reads, "Beach Closed. Red Tide." The organisms interfering with use of this beach are probably __________.

Which of the following is the most likely sequence of events, from earliest to most recent, in the evolution of sponges (organisms with many cells that have different functions)? 1) single-celled eukaryote 2) single-celled prokaryote 3) multicellular eukaryote 4) colonial eukaryote

All protists are

The best evidence for not classifying the slime molds as fungi comes from slime molds'

The evolution of multicellularity in animals required adaptations that promoted

Plasmodium exhibits consumption in its interactions with mosquitoes and humans. Which process is not an example of consumption?

Which form of Plasmodium is the immediate cause of anemia in humans?

Which of the following statements about the Plasmodium parasite is true?

How do humans combat infection by the Plasmodium parasite?

True or false? One example of a coevolutionary arms race is when faster deer evolve and favor wolves and cougars that have stronger eyesight and senses of smell.

The cells of _____ and _____ have modified mitochondria.

The members of _____ are characterized by cells with small membrane-bounded cavities under their cell membranes.

Golden algae, brown algae, red algae, chlorophytes, and charophyceans are some examples of protists that are _____.

Which of these groups consist of parasitic flagellated cells, such as Trypanosoma, the organism that causes sleeping sickness?

Which three groups contain large algae known as seaweeds?

Stramenopiles include all of the following groups EXCEPT ______.

Which of these groups is characterized by glasslike walls containing silica?

Plasmodium, the parasitic organism that causes malaria, is a _____.

A paramecium is a(n) _____.

The largest seaweeds are _____.

All of the organisms classified as _____ move and feed using cilia.

Which group is characterized by cells with fine hairlike projections on their flagella?

Which of these algal groups possess a photosynthetic pigment that allows them to live in deep water?

Which of these groups includes both aquatic decomposers and the parasites responsible for late potato blight?

Part complete Which algal group has chloroplasts much like those of green plants in structure and pigment makeup?

The chloroplasts of land plants are thought to have been derived according to which evolutionary sequence?

Miller and Urey's experiments that attempted to recreate conditions on early Earth were significant because __________.

Which of the following is true of secondary endosymbiosis?

According to the endosymbiotic theory of the origin of eukaryotic cells, how did mitochondria originate?