skip to Main Content

Please note that this is just a preview of a school assignment posted on our website by one of our clients. If you need assistance with this question too, please click on the Learn More button at the bottom of the page to get started.

BIO145Marine Biology Lesson 4 Quiz1
of 25
Which of the following is not true of decay bacteria?

They break down waste products and dead organic matter.

They carry out photosynthesis.

They are heterotrophs.

They are particularly abundant in bottom sediments.

They ensure the recycling of essential nutrients.

Question
2
of 25
Cyanobacteria are characterized by which of the following characteristics?

Decomposers

Found only in the plankton

Having a glass-like skeleton

Protists

Photosynthetic

Question
3
of 25
Archaea are characterized by being

prokaryotic.

autotrophs only.

heterotrophs only.

found only in extreme environments.

eukaryotic.

Question
4
of 25
Organisms having a shell made of silica (SiO2) are

Foraminiferans.

Stromatolites.

Cyanobacteria.

Diatoms.

Ciliates.

Question
5
of 25
Red tides are caused mostly by

diatoms.

foraminiferans.

dinoflagellates.

red seaweeds.

radiolarians.

Question
6
of 25
Dinoflagellates that live in association with reef-building corals and other animals are known as which of the following?

Zooxanthellae

Zooplankton

Silicoflagellates

Bioluminescent dinoflagellates

Cryptomonads

Question
7
of 25
Marine fungi

are mostly photosynthetic.

are parts of lichens that live on rocky shores.

secrete calcareous skeletons.

produce red tides.

are only found near hydrothermal vents.

Question
8
of 25
What is the purpose of the spines seen on the frustules of diatoms?

Floatation

Hunting

Photosynthesis

Reproduction

Defense

Question
9
of 25
An algal bloom is defined as which of the following?

Mass reproduction of algal cells

Mass death of algal cells

Mass feeding on algal cells by zooplankton

Mass vertical migrations of algal cells

Mass horizontal migrations of algal cells

Question
10
of 25
Bioluminescence is observed in

diatoms.

dinoflagellates.

radiolarians.

roraminiferans.

lichens.

Question
11
of 25
Seaweeds are included among the Protista. Some biologists, however, place them instead in the

Kingdom Animalia.

Kingdom Fungi.

Kingdom Plantae.

Prokaryotes.

Seagrasses.

Question
12
of 25
Seaweeds are different from diatoms or dinoflagellates in that they _________________.

have true roots and stems

have leaves just like those found in plants

are photosynthetic

are mostly multicellular

are eukaryotic

Question
13
of 25
The root-like, anchoring structure of many seaweeds is called the

blade.

pneumatocyst.

thallus.

holdfast.

stipe.

Question
14
of 25
Which of these groups of algae is found mostly in fresh water and on land?:

Green algae

Brown algae

Kelps

Red algae

Coralline red algae

Question
15
of 25
Encrusting algae are commonly found living

in the plankton.

on rocks.

as parasites.

as endophytes.

on the water surface.

Question
16
of 25
An example of a natural seaweed product used as an emulsifier in processed foods is __________.

antibiotics

paper substitutes

algin

aspirin

green lignin

Question
17
of 25
Marine flowering plants include all of the following except

mangroves.

kelps.

seagrasses.

cord grass.

surf grass.

Question
18
of 25
A marine photosynthetic eukaryote that reproduces by forming seeds during reproduction would be ______.

green algae

a coral photosynthetic animal

a green sea turtle

a flowering plant

fungus

Question
19
of 25
Mangroves live in coastal waters that

are well protected from strong wave action.

have high salinity.

are located in temperate regions.

have high amounts of nutrients.

are rocky.

Question
20
of 25
Coralline algae _______________________.

help build reef ecosystems

cement together loose volcanic sands

are only found in sandy lagoon habitats

are actually a fungus

are primary zooplankton found near the surface

Question
21
of 25
Which of the following is the best description of a primary producer?

An organism that lives by eating other free-floating life

An organism that swims in the ocean to great depths

An organism that carries out photosynthesis and releases oxygen into the environment

A bacteria using sulfur compounds to create energy

An organism that lives by absorbing nutrients from others nearby

Question
22
of 25
Which of the following is an example of a primary producer?

Bacteria near a hydrothermal vent

Crab living on the bottom of a continental shelf

Migrating sea turtle eating seaweed along the way

One of many green algae cells in a vast algal bloom

The first fungal cell to become encrusted on a tidal rock

Question
23
of 25
When
changing the swimming pool filter, one would most likely encounter a
product made from the long-dead remains of _______________.

diatoms

green algae

mangrove forests

coral reef fish skeletons

encrusting fungi

Question
24
of 25
Symbiotic
associations between two marine organisms, each providing something the
other needs to live, demonstrates the validity of _________________.

natural selection

parasitism

predator-prey interactions

coevolution

shared life strategies

Question
25
of 25
Seaweeds, like the ones used in food products are classified as ___________________.

eukaryotic herbivores

prokaryotic archea cells

eukaryotic protists

eukaryotic plants

prokaryotic bacteria

Get Help Today

Struggling with this particular assignment? Learn how our team of professional writers can help you today.

Leave a Reply

Your email address will not be published. Required fields are marked *