Threats to coral reefs include climate change, pollution, overfishing, coastal development, destructive fishing practices, and tourism pressure.
Solutions involve reducing emissions, creating marine protected areas, promoting sustainable fishing, improving water quality, responsible tourism, coral restoration, international cooperation, research, public awareness, and policy enforcement.
1. Threats to Coral:
Coral reefs face several threats, and some of the most significant ones include:
a. Climate Change: Rising sea temperatures and ocean acidification due to increased carbon dioxide levels in the atmosphere can cause coral bleaching, which weakens and kills corals.b. Pollution: Pollution from agricultural runoff, sewage, and coastal development can introduce excess nutrients and contaminants into the water, leading to harmful algal blooms and reduced water quality.c. Overfishing: Overfishing can disrupt the delicate balance of coral reef ecosystems by removing key species that help maintain coral health, such as herbivorous fish that graze on algae.d. Coastal Development: Construction along coastlines can result in sediment runoff, increased pollution, and habitat destruction, all of which harm coral reefs.e. Destructive Fishing Practices: Practices like dynamite fishing and using cyanide to capture fish can physically damage coral reefs.f. Tourism: Unregulated tourism and improper snorkeling or diving practices can lead to physical damage to coral reefs, including trampling and anchor damage.2. Causes of Threat to Coral:
The primary causes of these threats to coral reefs include:
a. Greenhouse Gas Emissions: The release of greenhouse gases like carbon dioxide from human activities, particularly the burning of fossil fuels, is a major driver of climate change, leading to coral bleaching and ocean acidification.b. Industrial and Agricultural Runoff: Runoff from agriculture and industry introduces excess nutrients, such as nitrogen and phosphorus, into coastal waters, leading to algal overgrowth that can smother corals.c. Overfishing: Overfishing occurs due to high demand for seafood and inadequate fisheries management, leading to the depletion of important herbivorous fish species.d. Coastal Development: Urbanization and coastal development result in deforestation, pollution, and sedimentation, all of which harm coral reefs.e. Destructive Fishing Practices: Illegal fishing methods, like dynamite and cyanide fishing, are used to capture fish more easily, but they cause direct physical damage to coral reefs.f. Tourism Pressure: Coral reefs attract tourists, but uncontrolled tourism can lead to physical damage, pollution, and the introduction of invasive species.3. Potential Solutions to Protect Coral Reefs:
a. Climate Change Mitigation: Reduce greenhouse gas emissions through measures such as transitioning to clean energy sources, promoting energy efficiency, and reforestation to mitigate the effects of climate change on coral reefs.b. Marine Protected Areas (MPAs): Establish and enforce protected marine areas to restrict fishing and other activities in sensitive coral reef ecosystems, allowing them to recover.c. Sustainable Fishing Practices: Implement and enforce sustainable fishing practices, such as size limits, catch quotas, and gear restrictions, to protect key species and maintain a healthy balance within the ecosystem.d. Water Quality Management: Improve water quality through better sewage treatment, reducing agricultural runoff, and controlling industrial pollution to limit nutrient input and sedimentation.e. Responsible Tourism: Promote responsible tourism by educating visitors about proper snorkeling and diving practices, enforcing no-anchor zones, and limiting tourist access to sensitive areas.f. Coral Restoration: Invest in coral restoration efforts, such as coral nurseries and transplantation programs, to rebuild damaged reefs and enhance their resilience.g. International Cooperation: Collaborate on a global scale to address coral reef threats, as many reefs are located in international waters, and their conservation requires coordinated efforts among nations.h. Research and Monitoring: Support scientific research and monitoring to better understand coral reef ecosystems, track changes, and develop targeted conservation strategies.i. Public Awareness: Raise public awareness about the importance of coral reefs and their role in supporting marine biodiversity and fisheries to garner support for conservation efforts.j. Policy and Regulation: Enact and enforce laws and regulations at local, national, and international levels to protect coral reefs and their associated ecosystems.The complete question is here:
1. What is the THREAT to CORAL?
2. What is the cause of threat to Coral?
3. Potential Solution?
Which of the following best describes reproductive structures common to both gymnosperms and angiosperms?
A) Seeds form after combining pollen and egg cells during sexual reproduction
B) Male pollen grains and female egg cells in the same reproductive organ
C) Cones containing seeds that are eaten and carried away by animals
D) Flowers designed to attract pollinators to assist in fertillization
Answer:
The correct answer is Seeds formed after combining pollen and egg cells during sexual reproduction.
Explanation:
This shows how reproductive structures are described as common to the two phylum.
The option that best describes the reproductive structures which is common to both gymnosperms and angiosperms is : ( A ) Seeds form after combining pollen and egg cells during x reproduction
Angisperms and gymnospermsAngiosperms have their seeds enclosed inside their fruits while gymnosperms ( non-flowering plants ) have their seeds exposed on their leave surface.The process of seeds forming after the combination of pollen and egg cells in the process of x reproduction represents a descriptive reproductive structure common in gymnosperms and angiosperms
Hence we can conclude that the reproductive structures which is common to both gymnosperms and angiosperms is seeds form after combining pollen and egg cells during x reproduction.
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The promotion of companies’ sustainably harvested rainforest products is intended to _______.
a.
produce cheaper products
b.
promote overconsumption
c.
give the company a competitive advantage
d.
produce more expensive products
Please select the best answer from the choices provided
Answer:
c. give the company a competitive advantage
Explanation:
promoting sustainable products will not make the product cheaper and not necessarily more expensive. Over consumption is the opposite of sustainable. Thus, to promote sustainable products, this makes the company look good for consumers so they will buy these products thinking they are doing good for the environment.
Answer:
c
Explanation:
ON A TIMER!
A geologist finds a metamorphic rock and notices that it has grains that formed in parallel layers. The geologist pries at the rock, and it splits apart along the bands formed by the layers.
Which type of rock did the geologist most likely find?
gneiss
limestone
marble
sandstone
Answer:
Option A, gneiss
Explanation:
Metamorphic rocks are classified based on their grain arrangement in to foliated rocks and non- foliated rocks. These foliated rocks are the ones in which the grains are arranged in parallel layers bands which allows them to split apart along these band. Some common examples of foliated metamorphic rocks are slate, schist, and gneiss
Thus , option A gneiss is the correct answer.
Answer: a
Explanation: edge
Review the concept map and then click on all the true statements below
Do you have a picture of the map? : )
Living things have certain properties, such as organization, metabolism, reproduction, and response to stimuli. They are organized into different levels and can be represented in a phylogenetic tree.
Explanation:Properties of Life:Living things are organized into a hierarchy of levels, including atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, and the biosphere.
Interpreting a Phylogenetic Tree:A phylogenetic tree shows the evolutionary relationships between different species. It helps us understand how species are related and how they have evolved over time.
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An insect gets trapped in tree sap. The sap dries, and the insects are preserved exactly as they were in real life.
Answer:
cool
Explanation:
Answer:
amber
Explanation:
Which of these is not a function of DNA Polymerase
Answer:C
Explanation:
The unwinding of DNA is not a function of DNA Polymerase.
DNA helicase is initially required to unwind the double helix before DNA polymerase can replicate the two strands.
What are the purposes of DNA polymerases?DNA polymerases are essential components of DNA replication and repair, which copy genomes and preserve their integrity to guarantee the accurate transmission of genetic information from one generation to the next.A double-stranded DNA molecule is duplicated into two identical DNA molecules during the process of DNA replication, which is carried out by DNA polymerase.Learn more about DNA Polymerase here:
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which type of grass would most likely be used to create a florida friendly yard
-florida gama grass
-panic grass
-fakahatchee grass
-wire grass
I looked it up for you and i didnt find any of those grasses ;-; but i live in florida and i feel like the most obvius one would be the florida gama grass.
Im sorry if im wrong hope this helps :)
Answer: First option is correct.
Explanation:
florida gama grass would most likely be used to create a florida friendly yard.
Because this plant creates large crumps which is used for a border and work as an accent plant and it is easy to grow and propagate so, it is used in making wonderful garden.
Hence, First option is correct.
Scientists who consider how their research may affect the environment show a sense of ____________?
Integrity in scientific research Is my best guess
Photosynthesis involves chemical changes to three elements: carbon, oxygen, and hydrogen. Which of the following describes the chemical change to carbon?
In photosynthesis, carbon dioxide (CO2) and water (H2O) are converted into glucose (C6H12O6) and oxygen (O2). This process involves the reduction of carbon dioxide into carbohydrate molecules, by adding hydrogen atoms.
Explanation:In photosynthesis, the chemical change to carbon occurs when carbon dioxide and water, utilizing the energy from the sun, are transformed into glucose, which is a type of sugar molecule, and oxygen. This reaction can be represented by the chemical equation 6CO2 + 6H₂O + Energy → C6H12O6 + 6O2. Carbon dioxide (CO2), one of the raw materials, undergoes a reduction reaction where hydrogen is added, resulting in reduced carbon dioxide, which is essentially the carbohydrate molecule (C6H12O6). In this process, oxygen is oxidized, meaning hydrogen is removed.
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cells from a blank organism cannot survive independently
Answer:
tardigrade
Explanation:
"The microscopic tardigrade—also known as the water bear—is the only animal that can survive the cold, irradiated vacuum of outer space. We talked to leading tardigrade researchers to find out what makes these little guys so amazing."
Three examples are provided. A serious environmental problem is the destruction of
Answer:
The Amazon rain forest
Explanation:
Answer:
It's non-replaceable resources
The illustration shows the basic unit of life. It is
A. a cell wall
B. an atom
C. a molecule
D. an organelle
Hmm, let me see. This illustration appears to be an image of a cell. But, there aren't any answers that has cell. Using logic, it would be an organelle. Mainly because there aren't any arrows directing to a specific organelle. Since a cell wall is an organelle, it has to be D.
Answer:
D. an organelle
Nelson made a map of his neighborhood park. In the scale Nelson used for the map, 1 centimeter represents 10 meters. The actual length of the path through the park is 408 meters. What is the length of the path in nelson's map in centimeters?
Anyone this??
Answer:
40.8 hope this helps good day
Explanation:
The length of the path in nelson's map in centimeters is 40.8 cm.
How the length is 40.8 cm?
Here, 1 cm = 10 meters
so, 408 meters = 408 ÷ 10
= 40.8 cm.
Both meters and centimeters are metric units of length with centimeter being equal to one hundredth of a meter.
A centimeter is abbreviated as cm while a meter is abbreviated as m.
Formula to convert meters to centimeters,
Length in cm = Length in m x 100.
The answer is 40.8 cm.
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What type of bond holds two different strands of DNA together?
Answer:The nucleotides in a base pair are complementary which means their shape allows them to bond together with hydrogen bonds. The A-T pair forms two hydrogen bonds. The C-G pair forms three. The hydrogen bonding between complementary bases holds the two strands of DNA together.
Explanation:
Final answer:
Hydrogen bonds hold the two strands of DNA together by connecting the nitrogenous bases. This bond is weaker than the covalent bonds in the DNA's structure, enabling DNA replication.
Explanation:
The type of bond that holds two different strands of DNA together is the hydrogen bond. These bonds occur between the nitrogenous bases in a way that adenine (A) pairs with thymine (T) and cytosine (C) pairs with guanine (G), forming base pairs. The DNA molecule appears like a ladder twisted into a double helix, with the base pairs acting like the rungs and the sugar-phosphate backbone forming the sides of the ladder. The hydrogen bonds are weaker than the covalent bonds in the sugar-phosphate backbone, which allows the DNA to unzip easily for replication while ensuring stability of the helical structure.
Which of the following characteristics is described here:
A cactus plant uses photosynthesis to make sugar
composed of cells
homeostasis
reproduction
obtain and use energy
"Obtain and use energy" is your answer :)
Answer:
obtain and use energy (Ans. D)
Explanation:
Photosynthesis: It is the process where plants and some other organisms use the energy from sunlight to make sugar which converts cellular respiration into ATP.
Cactus plants have pads, succulent stems with spines and scales instead of leaves. In cacti plants photosynthesis occurs in stems through a special mechanism called Crassulacean acid metabolism (CAM) as a part of photosynthesis.
Which of the following can scientists use to identify where earthquakes will most likely occur?
A:Seismic gaps
B:Plate boundaries
C:Proximity to a volcano
D:Seismographs
Answer:
D
Explanation:
seismographs detect waves and vibration undergroud
Answer:
Option (B)
Explanation:
The earthquakes are generated due to the motion of plates. This plates floats over the layer of asthenosphere due to the formation of convection current in the mantle. It is because of the heat that is generated from the interior of the earth.
This plate when moves, wither collides or diverges or conserves. As a result of this, the rocks undergoes deformation and it releases a certain amount of energy that generates in the form of seismic P and S waves. These waves are responsible for the occurrence of earthquake.
Thus, a scientist can consider that the earthquakes are most likely to occur along the plate boundaries.
Hence, the correct answer is option (B).
What factors make the tropical zones of the world the highest in biodiversity
Answer:
-warm temperatures encourage diverse flora growth and insect populations
-tropical regions have abundant resources capable of accommodating large populations of different plants/animals
-animals and plants do not die as quickly since there is no “winter” season
- animals can breed more when they are unrestricted by seasonal changes
-essentially, most life flourishes in warmth
here is the youngest crust on Earth most likely located?
A. At divergent boundaries in the middle of the ocean
B. At transform boundaries where two plates slide past each other
C. At convergent boundaries where two continents meet
D. At convergent boundaries where oceans and continents meet
Answer:
Option (A)
Explanation:
In a divergent plate motion, two plates move in the opposite direction. Due to this plate motion, the magma rises up and comes out to the ocean floor, forming a long ridge which is commonly known as the mid-oceanic ridge. As soon as this magma comes out to the surface, it solidifies and forms igneous (basaltic) rocks.
These rocks are of geologically the youngest because they are directly forming from the cooling and solidification of magma. The rocks that are present at or near the mid-oceanic ridge are younger than the rocks that are away from the mid-oceanic ridge.
Thus, the youngest rocks are formed along the mid-oceanic ridge at a divergent plate boundary which is at the middle of the ocean.
Thus, the correct answer is option (A).
The youngest crust on Earth probably lies at divergent boundaries in the middle of the ocean. Therefore, the correct option is A.
The youngest crust on Earth is most likely to be found at isolated boundaries in the center of the ocean. Divergent boundaries are places where tectonic plates move apart and leave a gap. Magma in the mantle rises to fill the void, solidifies and forms fresh oceanic crust. The youngest crust on Earth is continually being built up by a process known as sea floor spreading. The ongoing regeneration and spreading of Earth's sea floor is facilitated by the continuous build-up of fresh oceanic crust at distinct boundaries.
Therefore, the correct option is A.
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What’s a metamorphosis
Answer:
metamorphosis is a process in which somebody or something changes into something different
According to the RNA world hypothesis, RNA acted as the genetic material and catalyzed reactions in ancient cells. What conclusion can you draw from this?
A. This implies that RNA can catalyze any chemical reaction that enzymes catalyze.
B. This implies that DNA and proteins evolved after RNA.
C. This implies that if a cell has a problem with its DNA, its RNA can compensate for the damaged DNA.
D. This implies that DNA and proteins aren't essential in cells today.
Answer: B
Explanation: RNA world theory implies that DNA and protein evolved after RNA. Some evidence suggests RNA enzymes can catalyse reactions that are essential for life, example, ribosomes that are composed of RNA primarily. And ribonucleotide moiety in many enzymes.
Answer:
This implies that DNA and proteins evolved after RNA.
Explanation:
The jimson weed Datura stramonium normally has 12 chromosomes in the body cells. How many chromosomes will an egg cell of the jimson weed have?
Answer:
6
Explanation:
An egg cell has half the number of chromosomes which a somatic cell has. Thus, the egg cell of jimson weed will have 6 chromosomes.
Why does an egg cell have half the chromosomes?A set of chromosomes that an individual has is referred to as ploidy.
The somatic cells of an organism has two copies of chromosomes, such a cell is said to have its chromosome set as diploid (2N).
The diploid cells are formed by the fusion of two haploid cells (N), one comes from the mother and one from the father.
A zygote is formed by the fusion of the two gamete cells, an egg cell and a sperm.
Thus, since an egg cell is a gamete, its chromsome set is haploid. That is, it has half the number of chromosomes compared to a somatic cell.
Hence, as the somatic cells of the jimson weed Datura stramonium has 12 chromsomes,its egg cell will have half the number of chromsomes, which is 6 chromosomes.
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what is the function of a capsid
Answer:1) it protects the nucleic acid from digestion by enzymes, 2) contains special sites on its surface that allow the virion to attach to a host cell, and 3) provides proteins that enable the virion to penetrate the host cell membrane and, in some cases, to inject the infectious nucleic
Explanation:
Answer:In 4 or more complete sentences, describe the process of protein synthesis and explain how transcription and translation creates protein.
Explanation:
Several prefixes often used with units of measurement are shown below. Each prefix has a specific value in the metric system.
What is the correct order of the prefixes, from smallest value to largest value?
Answer:
Micro, mill, kil,deca,centi
Explanation:
I think
Answer:
micro- → milli- → centi- → deca- → kilo-
The prefixes shown are used in the metric system and the International System of Units. Each prefix has a specific value.
The prefix micro- represents 10-6.
The prefix milli- represents 10-3.
The prefix centi- represents 10-2.
The prefix deca- represents 101.
The prefix kilo- represents 103.
How many times your heart beats in one minute is called
Answer:
BPM
Explanation:
Beats Per Minuite
Answer:
Beats per minute
Explanation:
Your heart beats 60-100 times per minute
Which of the following best describes how most scientists think humans evolved?
Answer:
the answer is a
Explanation:
Answer:
The righr anser is the letter A
Explanation:
You may have already come across the claim that the human being is descended from the monkey. Many people attribute this idea to Charles Darwin, but it is known that this scientist never made this claim. What Darwin proposed, in fact, is that apes and humans have a recent common ancestor that places both apes and humans in the group of primates. This is the theory currently accepted to explain the evolution of humans, so the correct answer to your question is the letter A.
Despite current scientific knowledge, talking about our kinship with monkeys is still controversial, as it seems offensive to many to say that we are related to them. Some people consider that the human being is unique and special and therefore could only have been created by a divine entity.
ON A TIMER!
What do scientists know about the future of the universe? Check all that apply.
that dark matter exists
what dark matter is made of
why the expansion of the universe is accelerating
that invisible matter must be influencing the rotation of galaxies
that galaxies spin faster than they should based on visible matter
Answer:
a,d, e
hope i got to it in time
Answer:
The correct statements are that dark matter exists, and that invisible matter must be influencing the rotation of the galaxies.
Explanation:
The prevalence of dark matter, that is, the invisible matter is usually accepted and it is considered that this matter is approximately 85 percent of the entire matter present in the universe and it comprises undiscovered subatomic particles.
The dark matter also plays an essential role in illustrating why the galaxies can spin without getting themselves torn apart.
Why do all the stars in orion appear to us on earth as if they were near each other
Answer:
Because of their brightness, how big they are, and how many their are
Explanation:
which of the following describes how dna provides evidence to support that life changes over time
A- some animals exhibit similar stages of embryonic development
B- Some animals exhibit structural that are no longer used for any purpose
C- Some animals exhibit similar genetic code
Although all are true, it is B.
Vestigial structures indicate that the animals evolved from an ancient ancestor.
The chemical reactions of the light dependent process occur in the
Answer:
Thylakoid membranes
Explanation:
Photosynthesis is the process by which green plants make their own food using energy from sunlight, water and carbon dioxide.Photosynthesis takes place in organelles called chloroplast found mainly in the palisade mesophyll in the leaves of a green plants. The process occurs in two stages; light-dependent stage and light-independent stage.The light dependent stage occurs in the thylakoid membranes of the chloroplast, while the light-independent stage occurs in the stroma of the chloroplast.which organelle would we find a lot of in the muscle tissues of a fit athlete?
A. ribosomes
B. mitochondria
C. nucleus
D. golgi apparatus
Answer:
B
Explanation:
Mitochondria is found in muscle. Muscle cells have numerous mitochondria, more than other types of cells, so that they can quickly and forcefully respond to the body's constant need for various types of movement.