Biology 1407 lab practical 1

name this glagellate

. Trichonympha sp.

name this type of amoeba-like organism

. radiolarian

How many flagella do protists known as choanoflagellates have?

1

Zoologists have already classified more than ____ species of animals

1.5 million

Today, animals are placed in ____ mandatory taxonomic ranks, according to the hierarchical classification system

8

Cellular slime molds are placed in which phylum?

Acrasiomycota

scientists is known as the "father of taxonomy"

Carolus Linnaeus

. Freshwater "ich," or white spot disease, is caused by _____

Ichthyophthirius multifilis, a ciliate

Which of the following is an example of an eponym

Rhea darwinii

Which of the following are nitrogen-fixing proteobacteria

Rhizobium spp.

NAME THIS ORGANISM

Spirogyra

Which supergroup of protists would you investigate to control the devastating effects of "red tide"?

alevolata

Many bacteria cause devastating diseases in plants and animals; however, some bacteria are used to produce _____

antibiotics

The phylum Apicocomplexa is so named because these organisms possess microtubules at the ____ end of the organism, which are visible only by means of ____

apical, electron microscopy

Protists can function in the environment as _____

autotrophs, heterotrophs, parasites

Rod-shaped bacteria are known as _____.

bacilli

Which of the following is a gram-positive bacterium that also forms spores?

bacillus anthracis

Antibiotics that kill bacteria directly are classified as _____

bactericidal

The Linnaean system of taxonomy is known as ____ nomenclature

biennial

Bacteria that produce light are referred to as ______.

bioluminescent

In a cladogram, the outgroup is the group that ____.

branched from the ancestor first

Gram stain is a laboratory technique used to distinguish between various kinds of bacteria based on the characteristics of the ________.

cell wall

Saprolegnia, a water mold, has a cell wall composed of ____. True fungi have cell walls composed of ____.

cellulose, chitin

This protist phylum is considered to be the most structurally complex

ciliophora

. ____ classifies organisms into hierarchies based on their evolutionary ancestry.

cladistics

Plasmids, ringlike structures composed of DNA, are integral in bacterial ______

conjugation

Which of the following bacteria are important in the production of oxygen

cyanobacteria

Name this stage in the life cycle of Plasmodium spp.

developing schizont

Members of phylum Bacillariophyta have a test composed of 2 halves. Name these organisms.

diatoms

. A(n) ____ key consists of a series of paired choices used for identifying organisms.

dichotomous

1. In what types of environments do bacteria live

digestive systems, deep underground

Classification schemes evolved as a means of making sense of the ____ of life.

diversity

Giardia intestinalis, a parasitic flagellate, has modified mitochondria known as mitosomes. What is unique to these organelles?

do not generate ATP directly

Which of the following belongs to the class Mammalia?

dolphins

The most general taxa in the Linnaean system of taxonomy is the ____

domain

Plants are a diverse group that can be described as ____

eukaroytic, multicellular, autotrophic

. _____ is the name used for the traditional bacterial kingdom, now known as the two distinct domains of Archaea and Bacteria.

eukarya

Limestone deposits are formed by which of the following protists

foraminifera

This picture shows what stage of the life cycle of the moss

gametophyte

In binomial nomenclature, organisms are given a two-part scientific name, the first of which is the ____ , and the second of which is the ____.

genus, species

Which of the following would be the outgroup in the cladogram depicting the evolutionary relationships in vertebrates

hagfish

Archaea and Eukarya share which of the following features?

histone proteins in the DNA

____ belong to the phylum Anthocerophyta

hornworts

Which of the following statements about the proteobacteria is NOT true?

important oxygen producers

. Eubacteria, Fungi, and Plantae are three of the six ____ in the Linnaean system of classification

kingdoms

____ are described as either leafy or thalloid

liverworts

Nonvascular plants include which of the following

liverworts, true mosses, hornworts

. In bioluminescent bacteria, the light-emitting compound is called _____

luciferin

Phagosomes digest food by fusing with _____

lysosomes

Archaea classified as ________ can exist in soil, sediment, and other less extreme environments

mesophiles

Hornworts usually live in a ____ environment.

moist and shady

Which of the following does NOT belong to the family Hominidae?

monkeys

Cladistics groups organisms based on evolutionary ancestry, whereas Linnaean taxonomy classifies organisms in hierarchies based on ____ similarities

morphological

In the cladogram of the evolutionary relationships of plants, which of the following would be the outgroup

mosses

Which of the following statements about bacteria is NOT true

most bacteria are pathogenic (disease-causing)

Which of the following is the singular feature of the kingdom Animalia

multicellular heterotrophs

Which of the following bacteria is pathogenic in humans?

mycoplasma pneumoniae borrelia burgdorferi clostridium botulinum

Which of the following bacteria exist as diplococci

neisseria meningitidis

Which of the following is a characteristic of the bacterium Escherichia coli?

normall inhabits the digestive track of many animals, is gram-negative is a fculative anaerobe

Bacteria that require oxygen for survival are known as ______

obligate aerobes

Clostridium botulinum is a bacteria that cannot live in oxygen. It is described as a/an _____

obligate anaerobe

Which of the following are classified as cyanobacteria

oscillatoria sp, nostoc sp

The color of red algae comes from _____

phycobilins

Taxonomy is defined as the study of the ___ of scientific classification and naming of organism

principles, procedures and rules

Which of the following is NOT one of the three domains in the Linnaean system of classification

protista

Which of the following are examples of the domain Eukarya

protists, fungi, plants

Female Volvox spp. are different from the male Volvox spp. because they produce ____

protoplasmates

Careful observation through the stereomicroscope, of the plasmodial slime mold Physarum, may show movement. What is occurring?

protoplasmic streaming

The amoeba uses _____ to capture food

pseudopodia

Archaea classified as _____ can live in extremely cold conditions, such as in the Antarctic region.

psychrophiles

Gram-positive bacteria stain _____

purple

Which of the following is NOT a feature of the class Mammalia?

reduced olfaction

The process of bioluminescence _____.

requires a large amount of ATP

. What structure in the liverwort anchors the thallus

rhizoids

What is the life cycle sequence of the Plasmodium spp.

ring stage, band trophozoite, schizont, gametocyte

The human species is known as ____

sapiens

Green algae can be found growing on _____

sidewalks, automobiles, trees

. For the qualitative study of protists using wet-mount compound microscopy, what can be applied to the preparation to slow down their activity?

soap

The most specific taxa in the Linnaean system of taxonomy is the ____

species

Which of the following are gram-positive bacteria?

staphylococcus supp, streptococcus supp, bacillus anthracis

Bacteria collected from a sick patient by a throat swab stains purple on a slide. What is the likely pathogen in this case

streptococcus pyogenes

Some bacteria produce an endospore that enables them to ______.

survive under intolerable conditions

The scientific study of the kinds of organisms, their diversity, and their evolutionary relationships is known as?

systematics

___ refers to the scientific study of the kinds of organisms, their diversity, and their evolutionary relationship

systematics

. Classification is defined as the ordering of living organisms into groups, or ____

taxa

. The body of a thalloid liverwort is called the ____

thallus

The alternation of generations means that ____

the spore-producing stage is alternating with the sex cell-producing stage

While visiting Yellowstone Park, you see the famous geyser "Old Faithful." What type(s) of Archaea would you most likely find in this water

thermophiles

Which of the following statements about dichotomous keys is TRUE

they account for the majority of taxonomical keys in use, they are formatted as a series of paired choices they can be used to identify various types of unknown organisms

Which of the following are true for the field of cladistics?

they are known as phylogenetics they are based on the idea that groups of organisms are descended from a common ancestor Emil Hans Willi pioneered this field

Felines are the primary host of which apicomplexan?

toxoplasma gondii

. Which of the following bacteria causes the sexually transmitted disease syphilis?

treponema pallidum

Name the flagellate that lives symbiotically with termites and aids in cellulose digestion.

trichonympha

What flagellate exists in a symbiotic relationship with termites

trichonympha

. _____ is the organism responsible for causing African sleeping sickness

trypanosoma brucei

Because they lack vascular tissue, nonvascular plants are ____.

unable to transport water

What type of membrane is noted when hemoflagellates are viewed under the microscope

undulating

Humans belong to which of the following subphyla

vertebrata

What is typically used to encourage bacterial growth in a laboratory preparation of protists

yeast

What is the result of fusion of two protoplasts in the protist, Spirogyra

zygote