Biology quiz | Biology homework help

I need help with this quiz

1  of 25
An example of a community is

one giant individual kelp.
a kelp forest plus all of the physical factors affecting it.
all physical factors affecting a kelp forest.
a kelp forest plus all organisms living in it.
several giant kelp individuals living in one particular area.

Question 2  of 25 Competitive exclusion can be best defined as

when one species overcompetes and eliminates another.
the creation of a separate ecological niche by a new species.
the division of resources.
when one species shares limiting resources with another.
when competition results in the elimination of particular limiting resources.

Question 3  of 25 The ecological niche of a species refers to which of the following?

Habitat
Position of the organism in the food web
Role in the community
Mode of reproduction and food habits
Behavior in relation to other species in the community

Question 4  of 25 Zooxanthellae live within the tissues of corals, and both organisms benefit from the association. This is known as

mutualism.
predation.
commensalism.
parasitism.
facultative symbiosis.

Question 5  of 25 Which of the following best describes cleaning symbiosis?

Both partners are not harmed.
Both are harmed if one closely studies their association.
Both have coevolved into a close association
One is harmed while the other is not.
One species benefits while the other is unaffected.

Question 6  of 25 The difference between food webs and food chains is that food webs

consist of only one trophic level.
include primary producers as well as consumers.
do not take into account predators.
only outline feeding relationships among consumers.
are more complex.

Question 7  of 25 The next level in a food web beyond the producers would be the

top predators.
secondary consumers.
carnivores.
primary consumers.
decomposers.

Question 8  of 25 Which of the following could be a tertiary consumer?

Seaweed
Grazer
Carnivore
Autotroph
Herbivore

Question 9  of 25 On average, what percentage of energy in a particular trophic level is passed on to the next trophic level?

Question 10  of 25 Detritus in the water includes

dead organic matter.
waste products dissolved in water.
plankton.
smallest plankton-feeding fishes.
smallest algae.

Question 11  of 25 A fundamental role of decomposers is

releasing nutrients to be used by autotrophs.
causing diseases.
providing food for carnivores.
releasing oxygen.
providing energy for autotrophs.

Question 12  of 25 Net primary productivity is best defined as the

total amount of biomass created by producers.
total amount of biomass created by producers after energy loss to metabolism is factored.
total biomass of producers in the water in a given habitat.
total biomass of producers in the ocean.
None of the above.

Question 13  of 25 The amount of chlorophyll in the water is a direct estimate of

primary production.
respiration.
standing stock of phytoplankton.
oxygen utilization.
release of nutrients.

Question 14  of 25 In the carbon cycle, seaweeds and plants play a fundamental role by

increasing the amount of dissolved carbon dioxide as a result of decomposition.
decreasing the amount of dissolved carbon dioxide as a result of respiration.
increasing the amount of dissolved carbon dioxide as a result of photosynthesis.
decreasing the amount of detritus.
both increasing the amount of dissolved carbon dioxide as a result of respiration, and decreasing it as a result of photosynthesis.

Question 15  of 25 Nitrogen fixation is performed at sea by

seaweeds.
cyanobacteria.
phytoplankton.
zooplankton.
All of the above choices are correct.

Question 16  of 25 Which of the following is an example of intraspecific competition?

Two species of barnacles competing for space on a rocky shoreline
Two species of dolphins feeding on the same population of fish
Two individuals in a population of clownfish attempting to use the same anemone as habitat
Two species of fish attempting to use the same rocky ledge as habitat
Two species of seals fighting over space on a beach to rear their young

Question 17  of 25 A population’s carrying capacity is

affected by the growth rate of the population.
the number of individuals a habitat can support with available resources.
a constant that has been predetermined for all habitats.
the number of individuals in a habitat.
determined by comparing birth rate and death rate in a population.

Question 18  of 25 In competitive exclusion, which of the following is true?

Two species cannot coexist in a habitat.
One species is a better competitor for resources.
It leads to intraspecific competition.
It results from intraspecific completion.
It leads to population growth for both competitors.

Question 19  of 25 In a salt marsh, a fish eats decaying material from around the base of Spartina grass plants. A snail scrapes algae from the stalks of the Spartinagrass. These species can coexist because they have which of the following?

The same niche, but different habitat
The same habitat and the same niche
The same habitat, but different niche
Different habitats and different niches
None of the above

Question 20  of 25 Which of the following gasses is NOT considered to be a major greenhouse gas?

Methane
Oxygen
Carbon dioxide
Water vapor
Nitrous oxide

Question 21  of 25 The increase in atmospheric carbon dioxide is a direct result of ___________________.

too many marine animals dying
rising sea levels along the coast
human activities
predation on coral reefs
overfishing

Question 22  of 25 Significant consequences of global warming include_____________.

rising sea levels
plants flowering sooner in the year
penguins moving closer to the South Pole
an increase in coral bleaching
All of the above

Question 23  of 25 Which of the following is a direct chemical consequence of rising carbon dioxide levels in oceans?

There will be more water.
More phytoplankton will be found near shorelines.
Populations of large mammals will increase.
Acidification of the oceans.
Coral reefs will flourish.

Question 24  of 25 Which of the following is NOT likely to happen as global warming continues?

More water vapor will enter the atmosphere.
Sea levels will fall exposing more coral reefs.
The Great Ocean Conveyor circulation will be disrupted.
Greenland could melt.
Methane could be released from ocean sediments.

Question 25  of 25 Excessive algae growth as a result of increased nitrogen in water is referred to as _________________.

Eutrophication
Nitrogen fixation
Acidification
Nitrification
Mineralization
Calculate the price
Make an order in advance and get the best price
Pages (550 words)
$0.00
*Price with a welcome 15% discount applied.
Pro tip: If you want to save more money and pay the lowest price, you need to set a more extended deadline.
We know how difficult it is to be a student these days. That's why our prices are one of the most affordable on the market, and there are no hidden fees.

Instead, we offer bonuses, discounts, and free services to make your experience outstanding.
How it works
Receive a 100% original paper that will pass Turnitin from a top essay writing service
step 1
Upload your instructions
Fill out the order form and provide paper details. You can even attach screenshots or add additional instructions later. If something is not clear or missing, the writer will contact you for clarification.
Pro service tips
How to get the most out of your experience with Australia Assessments
One writer throughout the entire course
If you like the writer, you can hire them again. Just copy & paste their ID on the order form ("Preferred Writer's ID" field). This way, your vocabulary will be uniform, and the writer will be aware of your needs.
The same paper from different writers
You can order essay or any other work from two different writers to choose the best one or give another version to a friend. This can be done through the add-on "Same paper from another writer."
Copy of sources used by the writer
Our college essay writers work with ScienceDirect and other databases. They can send you articles or materials used in PDF or through screenshots. Just tick the "Copy of sources" field on the order form.
Testimonials
See why 20k+ students have chosen us as their sole writing assistance provider
Check out the latest reviews and opinions submitted by real customers worldwide and make an informed decision.
Medicine
Always and on time delivery
Customer 453879, September 4th, 2023
Other
The paper was beautifully written and all instructions were followed exactly as stated. Thank you so much for delivering a quality paper.
Customer 452455, February 22nd, 2023
Education
Excellent.
Customer 462495, March 28th, 2022
Nursing
Thanks so much, excellent work as always.
Customer 453939, May 23rd, 2020
Business Studies
Very well done, thank you!
Customer 462533, February 6th, 2022
Social Work and Human Services
Good work.
Customer 462793, July 8th, 2022
Marketing & Advertising
Well researched paper. Fresh and Informative
Customer 463369, September 22nd, 2022
Art (Fine arts, Performing arts)
Great work, Thank you
Customer 462791, April 3rd, 2022
Construction Management
Thankyou
Customer 462679, March 14th, 2022
English 101
Excellent.
Customer 458101, April 23rd, 2022
Other
Short and precise as I wanted. Thank you!
Customer 462359, October 14th, 2022
Other
Excellent work.
Customer 462823, April 21st, 2022
11,595
Customer reviews in total
96%
Current satisfaction rate
3 pages
Average paper length
37%
Customers referred by a friend
OUR GIFT TO YOU
15% OFF your first order
Use a coupon FIRST15 and enjoy expert help with any task at the most affordable price.
Claim my 15% OFF Order in Chat