Coral reefs occur in locations

Shallow warm low nutrient water

What causes increases of COTS?

Lack of predators, high nutrients and high larval survival

Adaptations are often classified into three categories;

Behavioural, Functional and Structural

A person who has connection to an ecosystem

The precautionary principle states that

you must know the risk before carrying out an activity

The optimum level of Phosphate in a marine system is

A As low as possible and preferably notdetectable

Shelford’s law of tolerance states that....

abundance controlled by certain the minimum level of tolerance

Three main types of biodiversity include

Genetic, biospecific, biodiversity

A K strategy species is one that …

Reproduce slowing and stop before the carryingcapacity is obtained

Engineered structures are often relied upon for combating Beach Erosion

sand bypassing systems, rock walls and revetment, canal, loch

Adaptations are best described as

Characteristics that can enhance survival andreproduction

Intermediate disturbance hypothesis suggests that

diversity is high with intermediate disturbance

marine parks use what strategies to ensure they are protected

managing threats, zoning, permits, plans, longitudinal monitoring

The best arguments for preserving environment include

Economic, aesthetic, social and ecological

Dissolved oxygen increases with

Photosynthesis, falling temperature

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Unit 1 revision marine science

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Questions 30

Answers

1
Example of Bio indicators include
Macro- invertebrates and macro algae
Pelagic species only
Macro-invertebrates and pelagic species
Coral and macro- invertebrates
2
Waves typically break at a depth of 1.3 times the wave height. If a wave is 1 m high, how deep would it break?
1.3m
0.7m
0.5m
0.5m
3
Coral reefs occur in locations
Shallow warm low nutrient water
Deep warm water
Cold high nutrient water
Shallow cold water
4
The moon effects the ocean by
through the gravitational pull
it all cycles
changing the waters flow
only the largest object has gravitational pull
5
What one of the following land management practices significantly reduces erosion?
Overgrazing
Maintaining Nitrogen levels in soils
Maintaining surface cover
Tree clearing
6
Surface Ocean currents are driven by
temperature and salinity
wind alone
wind, temperature and gravity
osmosis
7
What causes increases of COTS?
High plankton
Lack of predators
Lack of predators, high nutrients and high larval survival
Removal of predators
8
A rapid change in temperature between two layers is known as ..
Iminclined
Thermocline
Halocline
Pycnocline
9
Two direct methods of water testing include.
nitrate and phosphate
faecal coliform and macro- invertebrates
faecal coliform and titration
biotic and abiotic
10
Adaptations are often classified into three categories;
Locomotion, Reproduction, Education
Cellular, Respiratory, Membrane
Behavioural, Functional and Structural
Reproduction, transportation, digestion
11
stakeholder is
any person who lives near the ecosystem
considerations to the ecosystem
A person who has connection to an ecosystem
people who cause change to an ecosystem
12
The precautionary principle states that
You must always ensure you stop allanthropogenic change
You must have different management zones in marine parks
It is fine to carry out harmful activates in any environment
you must know the risk before carrying out an activity
13
The optimum level of Phosphate in a marine system is
A As low as possible and preferably notdetectable
A Phosphates help algae grow and are needed inall ecosystems
A 5ppm
A 0.3ppm
14
satellite and aerial photography allow you to record
specific breeding interactions
large movements of organism
breeding sites and times
ensured only critical science
15
Shelford’s law of tolerance states that....
abundance controlled by certain the minimum level of tolerance
The lowest level of tolerance
maximum distribution
all animals can tolerate minimum conditions
16
compare is to list the
the because answer
justify why
how and why
similarities and differences
17
what current delivers nutrient from the deep?
La Nino
Upwelling
roll over
El Nino
18
Three main types of biodiversity include
Genetic, recessive and dominate
Genetic, biospecific, biodiversity
Biotic, abiotic and mutualism
Ecosystem, abiotic and biotic
19
A K strategy species is one that …
Reproduce very quickly
Reproduce slowly until the carrying capacity is reached
Has boom bust style strategy
Reproduce slowing and stop before the carryingcapacity is obtained
20
Engineered structures are often relied upon for combating Beach Erosion
only riparian vegetation
sand walls, riparian vegetation is the best natural system
rock walls and riparian vegetation work best
sand bypassing systems, rock walls and revetment, canal, loch
21
Adaptations are best described as
Characteristics that increase breeding
What animals survival is
Characteristics that can enhance survival andreproduction
Mathematical theories of reproduction
22
Shallow relatively flat high diversity areas is called
Mid ocean ridge
continental shelf
seamount
continental slope
23
What bond forms between water molecule ?
atom
molecule bond
water bond
hydrogen bond
24
Intermediate disturbance hypothesis suggests that
diversity is high with intermediate disturbance
diversity is lost when high disturbance
diversity is low when low disturbance
diversity is high with frequent disturbance
25
marine parks use what strategies to ensure they are protected
restricted zones, citizen scientists
managing fisheries, ensuring no pollution, climate management
climate management, longitudinal studies, restricted zones
managing threats, zoning, permits, plans, longitudinal monitoring
26
The best arguments for preserving environment include
Economic, aesthetic, social and ecological
Reliance, disturbance and anthropogenic
Aesthetic, morally, benefit to all
Anthropogenic, economic, social
27
Dissolved oxygen increases with
photosynthesis sunlight
Photosynthesis, falling temperature
photosynthesis, decomposition,
diffusion, respiration
28
Isobars on a synoptic chart represent areas of pressure that are
equal
Low
different
high
29
Mining and industrial waste are likely sources of
heavy metals
plastics and marine
nutrient and pesticides
organic wastes and pesticides
30
Thermohaline refers to a line relating to
light and temperature
salinity and light
temperature and salinity
biomass and salinity

Unit 1 revision marine science Flashcards | StudBud