Which describes commensalism

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Reference no: EM134025753

Question

1. Which describes commensalism correctly?

an antagonistic relationship between two species
a symbiotic relationship where one species receives a benefit, while the other is harmed
a symbiotic relationship where neither species receive a benefit
a symbiotic relationship where both species receive a benefit
a symbiotic relationship where one species receives a benefit without impacting the species

2. Which of the following types of organisms is known for having two flagella?

radiolarians
diatoms
Paramecium
bacteria
dinoflagellates

3. Which term would be appropriate to describe a prokaryote that forms organic molecules by utilizing energy gained from chemicals compounds, rather than from light?

biosynthetic
nitrogen fixing
photosynthetic
chemosynthetic
photoautotrophic

4. Bioluminescence is observed in

diatoms.
dinoflagellates.
radiolarians.
lichens.
roraminiferans.

5. Which of the following is capable of nitrogen fixation?

cyanobacteria
diatoms
radiolarians
green algae
ciliates

6. Marine fungi__________.

are mostly photosynthetic.
produce red tides.
are only found near hydrothermal vents.
are important decomposers in mangrove forests.
secrete calcareous skeletons.

7. Which of the following describes dinoflagellates but not diatoms?

Dinoflagellates can be heterotrophic.
Dinoflagellates are only found in sandy lagoon habitats.
Dinoflagellates produce auxospores.
Dinoflagellates are Fungi.
Dinoflagellates have a silica cell wall.

8. Which of the following accurately describes protists?

They can be both plant-like and animal-like.
They are all more plant-like.
They are all multicellular.
They are all more animal like.
They are more closely related to fungi.

Reference no: EM134025753

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