Biology Chapter 10 Test

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African sleeping sickness is caused by ...

Trypanosoma

Where would fungi NOT likely thrive?

desert

Fungi break down food by releasing ....... from the tips of their hyphae.

digestive chemicals

Algal blooms can be caused by ...

dinoflagellates

Alternation of generations is the process of alternating between ...

diploid and haploid phases

Slime molds are one type of ... protist.

funguslike

The spores that fungus-like protists produce ...

grow into new organisms

Like animals, animal-like protists are ...

heterotrophs

The bodies of multicellular fungi are made up of branching, threadlike tubes called ____

hyphae

The threadlike structures that make up the bodies of multicellular fungi are called ...

hyphae

What might cause red tides?

increase in nutrients in the water

What a multicellular fungus looks like depends on how ...

its hyphae are arranged

A puffball fungus is a type of ...

club fungus

Slime molds are found primarily in ...

decaying organic matter

When are red tides dangerous to humans?

when algae toxins accumulate in shellfish

Which of the following statements about fungi is false? A. All fungi are unicellular. B. All fungi have cell walls. C. All fungi are eukaryotic. D. All fungi are heterotrophs.

A. All fungi are unicellular.

Which of the following is a zygote fungus? A. Rhizopus bread mold B. yeast C. puffball D. mushroom

A. Rhizopus bread mold

Which of the following statements about photosynthetic protists is most accurate? A. Most photosynthetic protists are heterotrophs. B. All photosynthetic protists are closely related to plants. C. Small photosynthetic organism near the ocean's surface are called phytoplankton. D. Giant kelp play an important role in the formation of coral reefs.

C. Small photosynthetic organism near the ocean's surface are called phytoplankton.

Which of the following statements is most accurate? A. Protists are more Closely related to one another than to other organisms in other kingdoms. B. Protists are the direct descendants of bacteria. C. The classification of protists is a work in progress. D. Scientists are debating b/t 2 classification schemes for protists.

C. The classification of protists is a work in progress.

Which is NOT true of amoebas? A. They reproduce by mitosis. B. They move using pseudopods. C. They have a rigid cell membrane. D. The protein actin powers their movement.

C. They have a rigid cell membrane.

Which of the following descriptions applies to most protists? A. unicellular prokaryotes B. multicellular prokaryotes C. unicellular eukaryotes D. multicellular eukaryotes

C. unicellular eukaryotes

Which of the following statements about slime molds is false? A. Slime molds are eukaryotes. B. Slime molds play an important part in recycling nutrients. C. Slime molds are multicellular at some time during their life cycle. D. Slime molds are photosynthetic protists.

D. Slime molds are photosynthetic protists.

The antibiotic ... resulted from the work of Alexander Fleming, who noticed that bacteria didn't grow near a spot of mold in a Petri dish.

Penicillium

What bacteria-killing fungus did Fleming isolate in his 1928 experiment?

Penicillium

... are often caused by the algae that contain red pigments, which turn the water a red color.

Red tides

What characteristic do all algae share?

They are autotrophs

What do fungi have in common with animals?

They are heterotrophs.

A fungus that is a parasite might feed on ...

a person's skin

What is an example of symbiotic mutualism?

a zooflagellate digesting food in a termite's intestine

Wine is made by allowing yeast cells to turn the sugar in grapes into carbon dioxide and ____________________

alcohol

An algal bloom is the rapid growth of a population of ...

algae

Dinoflagellates and diatoms are examples of plantlike protists, which are commonly called ...

algae

The rapid growth of a population of algae in either a freshwater or saltwater environment is called a(n) ...

algal bloom

The fungus Penicillium produces a(n) ... that saves people's' lives by killing bacteria.

antibiotic

The chemicals that ooze from a fungus' hyphae into its food source ...

break down the food

Yeast cells undergo a form of asexual reproduction called ...

budding

A symbiotic relationship b/t a fungus and a green alga or a cyanobacterium is a ...

lichen

A(n) ... consists of a fungus and either an alga or an autotrophic bacterium that live together in a mutualistic relationship.

lichen

The fossil record shows that the first eukaryotes may have appeared on Earth ...

more than 1 billion years ago

All fungus like protists are able to ... at some point in their lives.

move

In general, algal blooms occur when ...

nutrients increase in the water

Fungi that break down the chemicals of living host organisms are examples of _.

parasites

An amoeba moves and feeds by forming temporary bulges of the cell membrane called ...

pseudopods

The structures in Amoeba that help the organism move and feed are the ...

pseudopods

Which structures allow sarcodines such as amoebas to move?

pseudopods

In protists, the process of conjugation ...

results in an exchange of some genetic material

Fungi that decompose dead organisms ...

return important nutrients to the soil

In ... reproduction in fungi, the hyphae of two organisms join, exchange genetic material, and then produce spores.

sexual

What type of reproduction produces fungi or plants that are different from either parent?

sexual reproduction

One of the characteristics of fungi is that they use ... to reproduce.

spores

What do yeast cells use as a food source in bread making and winemaking?

sugar

A fungus-plant root association is an example of ...

symbiotic mutualism

Club fungi are named for ...

the appearance of their reproductive structures

What characteristic do fungi share?

they are all eukaryotes

What do fungi have in common with fungus like protists?

they produce spores

How are fungus like protists similar to fungi?

they use spores to reproduce

Red tides are dangerous when _____ produced by the algae become concentrated in the bodies of organisms that eat the algae

toxins

Algal blooms usually occur when nutrients increase in the ...

water

Alternation of generations BEST describes sexual reproduction in ...

water molds


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