Identify the area that likely has the lowest nutrients compared to the others

Tropical waters near the equator

What does Ectotherm mean?

any so-called cold-blooded animal

What are the three types of symbiosis?

commensal, parasitic, mutualistic

What does endothermic mean?

accompanied by or requiring the absorption of heat.

What does simbiosis mean?

interaction between different organisms living in close physical proximity

Which of the following is NOT true of sponges?

d. Sponges have tissues and organs.

Cyanobacteria play an important role in the nitrogen cycle because unlike most living organisms they are able to

perform fixation of free nitrogen

Which factors specifically impact organisms living in the deep sea?

both lack of light and cold temperatures

Which BEST describes the key differences between Marine Biology and Oceanography?

Marine biology is the scientific study of biological processes/organisms

Which characteristic is common to the majority of seabirds?

d. feed mainly on marine organisms

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Science Section III for Pentathlon 21-22

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Answers

1
Identify the area that likely has the lowest nutrients compared to the others
Coastal areas
Deep water upwellings
Deep water upwellings
Tropical waters near the equator
2
What does Ectotherm mean?
relatively low in plant nutrients and containing abundant oxygen
accompanied by or requiring the absorption of heat.
excessive richness of nutrients in a lake or other body of water
any so-called cold-blooded animal
3
What are the three types of symbiosis?
beneficial, detrimental, mutualistic
beneficial, detrimental, mutualistic
commensal, parasitic, mutualistic
communal, parasitic, mutualistic
4
Which molluscan feature is often used for burrowing?
toothed radula
flexible siphon
outter shell
muscular foot
5
What does endothermic mean?
accompanied by or requiring the absorption of heat.
excessive richness of nutrients in a lake or other body of wate
relatively low in plant nutrients and containing abundant oxygen
interaction between two different organisms living closely
6
Which of the following groups of crustaceans is an important consumer of phytoplankton in marine food webs?
isopods
shrimps
amphipods
copepods
7
Which of the following are examples of physical environmental factors?
metabolism
both light and temperature
light
temperature
8
What does simbiosis mean?
excessive richness of nutrients in a lake or other body of water
relatively low in plant nutrients and containing abundant oxygen
interaction between different organisms living in close physical proximity
Ectotherm, any so-called cold-blooded animal
9
Which of the following is NOT true of sponges?
a. Sponges are invertebrates.
d. Sponges have tissues and organs.
b. Sponges can be hermaphroditic.
c. Sponges can reproduce asexually.
10
Which of the following is NOT a type of unicellular eukaryotic algae?
phytoplankton
diatoms
foraminiferans
dinoflagellates
11
Cyanobacteria play an important role in the nitrogen cycle because unlike most living organisms they are able to
perform fixation of free nitrogen
use nitrogen for photosynthesis
uptake ammonia and excrete urea
use nitrogen recycling for nutrients
12
Which factors specifically impact organisms living in the deep sea?
lack of light
supersaturation of dissolved oxygen
cold temperatures
both lack of light and cold temperatures
13
Organisms on Earth are currently classified into three major domains of life. They are
Fungi, Protists, and Animals
Plants, Animals, and Fungi
Bacteria, Archaea, and Eukarya
Viruses, Archaea, and Unicellular Algae
14
Which BEST describes the key differences between Marine Biology and Oceanography?
Marine biology is the study of animals living in the ocean
Marine biology is the study of how climate change impacts marine organisms.
Marine biology is the study of the ocean and the life within the ocean
Marine biology is the scientific study of biological processes/organisms
15
Which characteristic is common to the majority of seabirds?
b. wings modified for swimming
c. dense, waterproof feathers
a. breed in small colonies
d. feed mainly on marine organisms

Science Section III for Pentathlon 21-22 Flashcards | StudBud