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Actinopods are found in the:?

Actinopods are found in the:? - Environmental Sciences and Issues

Actinopods are found in the:? - Forum on Environmental Sciences and Issues, including bioremediation and biodegradation.


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Old 07-15-2009, 01:16 AM
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Default Actinopods are found in the:?



Actinopods are found in the:

a. alveolats

b. diatoms

c. foraminiferans

d. radiolarians

e. trypanosomes

A protist characterized by the presence of cilia, micronuclei and macronuclei is a member of the:

a. Apicomplexa

b. Ciliophora

c. Dinoflagellates

d. Foraminifera

e. Slime molds

In protists:

a. amoeba move through flowing cytoplasmic projections called pseudopods

b. endosymbiosis has occurred more than once

c. flagella produce movement by spinning

d. a and b

e. a, b and c

Limestone deposits are formed from fossilized:

a. Foraminifera

b. Chlorophyta

c. Diatoms

d. Dinoflagellates

e. Sporozoans

The causative agent of malaria belongs to the:

a. Foraminifera

b. Chlorophyta

c. Dinoflagellates

d. Trypanosomes

e. Sporozoans

The causative agent of red tide belongs to the:

a. Foraminifera

b. Chlorophyta

c. Dinoflagellates

d. Trypanosomes

e. Sporozoans

The chloroplast of Euglena likely is derived from a member of the:

a. Foraminifera

b. Chlorophyta

c. Dinoflagellates

d. Trypanosomes

e. Sporozoans

The evolution of the mitochondrion:



a. is postulated by some to have occurred simultaneously with the acquisition of the nucleus

b. occurred after the evolution of the chloroplast

c. occurred by endosymbiosis involving a cyanobacterium and an anaerobic cell

d. a and b

e. a, b and c


Which of the following is characterized by the presence of a single, large chloroplast?

a. Chlamydomonas

b. Laminaria

c. oomycetes

d. Pelomyxa

e. Trypanosoma

Which of the following is characterized by presence of a single mitochondrion?

a. dinoflagellates

b. Euglena

c. Giardia

d. trypanosomes

e. Oomycota


Which of the following best describes the protists?

a. Molecular data have verified classical taxonomy based on morphology and life cycles.

b. Their taxonomy has been worked out to the satisfaction of most biologists.

c. They are a diverse group descended from early mitochondria-bearing eukaryotes.

d. They are of no medical or economic importance.

e. They have left no fossils.


Includes the likely ancestors of plants

a. Archezoa b. Euglenozoa c. Alveolata d. Stramenopila e. Chlorophyta


Includes trypanosomes and other kinetoplasts

a. Archezoa b. Euglenozoa c. Alveolata d. Stramenopila e. Chlorophyta

Includes many plant pathogens

a. Archezoa b. Euglenozoa c. Alveolata d. Stramenopila e. Chlorophyta


Members of the group Apicomplexa contain a specialized type of plastid, presumably derived from an endosymbiont.

a. True b. False


Cilliates have both micronuclei and macronuclei.

a. True b. False

The bacterial cell wall:
a. is composed of peptidoglycan, chains of sugars crosslinked by short polypeptides
b. prevents cells from rupturing due to high osmotic pressure
c. contains receptors for attachment of viruses
d. a and b
e. a, b and c


In the evolution eukaryotes:

a. cells with an endomembrane system and microtubule based mitosis presumably evolved from a prokaryote ancestor
b. evolution of mitochondria preceded evolution of chloroplasts
c. most symbiont genes migrated to the nucleus
d. a and c
e. a, b and c



Members of group lack mitochondria and (probably) sexual reproduction

a. Archezoa b. Euglenozoa c. Alveolata d. Stramenopila e. Chlorophyta


Which process results in genetic recombination, but is separate from reproduction in Paramecium?

a. budding b. meiotic division c. mitotic division d. conjugation e. fission


The largest seaweeds belong to which group?

a. Cyanobacteria

b. Rhodophyta

c. Chlorophyta

d. Stramenopila

e. Euglenozoa
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