POB ch. 29 questions

Which of the following organisms move about by means of pseudopodia? Amoeba proteus trypanosome Chlamydomonas Paramecium caudatum

Amoeba proteus

At one time, biologists thought that fungi were merely forms of plants that had lost their chlorophyll and had returned to saprotrophy to gain food. Why is this no longer considered a solid theory?

Fungal cell walls contain chitin rather than cellulose.

____ are organisms that break down dead organic matter in order to absorb the nutrient molecules.

Saprotrophs

A chain of asexual spores produced by a sac fungus is called

a conidia

The mycelium is a mesh of filaments, each of which is called

a hypha

Linchens

are a symbiotic relationship between an alga and fungus.

Diatoms

are unicellular algae with glassy cell walls.

Fungi are NOT photosynthetic because they lack

chloroplasts

Which is an example of an alga? diatoms amoebae ciliates slime molds

diatoms

Molds (except slime and water molds) and mushrooms belong to the kingdom

fungi

The ____ algae are thought to be closely related to the first plants because they share most of the characteristics of plants.

green

Amoebae

have pseudopodia. have a nucleus are heterotrophic.

Euglena

is an excavate and has an eyespot

Single-celled eukaryotes are

protists

Members of which genus of algae are found in ponds and have chloroplasts that are arranged in a spiral?

spirogyra

in what way are fungi like heterotrophic bacteria?

they are both heterotrophic and play an important role in ecosystems

which features set most of the members of the protista apart from the rest of the kingdoms

unicellular and microscopic