Answer:
Disturbance to deep sea bed and biodiversity
Explanation:
Harvesting of mineral nodules on the sea floor is done by deep sea mining.
The adverse impacts of deep sea mining are as follows -
Degradation of habitat of ocean species living at the sea bed.
Degradation of habitat causes extinction of species
Noise pollution under the sea
Plumes of suspended sediments
Disturbance in the ecosystem
is the raccoon a producer, primary, secondary, or tertiary consumer?
Why might polar bears become extinct
a.They do not have any predators
b.they may drown when the glaciers melt
c.their thick fur is not suited for a warming climate
d.too many hurt them
They do have predators because of killer whales, although that is not the killer whale's only source of food.
They are good swimmers, however if all the glaciers melt then they would grow tired of swimming and would drown.
Polar bears fur is not suited for a warm climate, although they could survive for a while.
I would go with d. because all the answers are correct.
Samantha???s job involves studying ecosystems and their components. Specifically, she deals with the population and growth of the organisms in the ecosystem. What???s Samantha???s profession?
1. conservationist
2. entomologist
3. population ecologist
5. veterinarian
Answer:
C is your answer
Explanation:
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What is the advantage of using models to predict how changes in sea level shape earth
A. Estimates impact on inland locations
B. Predicts impact on coastal populations
C. Predicts change in temperature with time
D. Estimates which location will have more rainfall
Question
What is the advantage of using models to predict how changes in sea level shape earth
A. Estimates impact on inland locations
B. Predicts impact on coastal populations
C. Predicts change in temperature with time
D. Estimates which location will have more rainfall
Answer:
B. Predicts impact on coastal populations
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There are islands in the ocean that are growing larger. The Hawaiian Islands are good examples of this. The reason that the islands were formed and are still growing is A) they were produced by drought. B) they were produced by volcanoes. C) they were produced by hurricanes. D) they were produced by earthquakes.
can someone help ASAP
if the mass of the skateboard doubled but the net force on it remained constant ,what would happen to the skateboard's acceleration
The final acceleration of the skateboard will be half its initial acceleration
According to Newton's second law, the formula for calculating the force is expressed as:
F = ma .................. 1
If the mass of the skateboard doubled but the net force on it remained constant, then;
m₁ = 2m
F₁ = m₁a₁
F₁ = 2ma₁ ........................ 2
If the force on it is constant then F₁ = F and the second equation becomes;
F = 2ma₁
Divide both equations 1 and 2 to get the acceleration of the skateboard "a₁"
[tex]\frac{F}{F} = \frac{2ma_1}{ma} \\\frac{F}{F} =\frac{2a_1}{a} \\1=\frac{2a_1}{a}\\a=2a_1\\a_1=0.5a[/tex]
This shows that the final acceleration of the skateboard will be half its initial acceleration.
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is a crayfish a producer, primary, secondary, or tertiary consumer?
Which part of a mushroom can you see above the ground? hyphae mat feeding network reproductive structure mycelium
The correct answer is reproductive part.
The mushroom belongs to the family of fungus. It is composed of two parts one underground part called as mycellium and the other part which can be seen above the ground. This part is the reproductive part of mushroom which is often edible. The other parts of the mushroom includes stem, hypae, volva, spores, gill, ring cap. There are variety of mushrooms available but all the forms are not eatable some of them are poisonous to human health.
Tommy is planning his science fair project. He wants to measure the rate of photosynthesis in plants that live in fresh water. Is this an example of a scientific investigation or an experiment? An experiment because it shows a cause and effect relationship An experiment because it does not ask a testable question An investigation because it can be easily done in natural settings An investigation because there is a control group
The given is an example of an experiment because it does not ask for a testable question. Thus, the correct option will be B.
What is an experiment?An experiment can be defined as a procedure which is being carried out to support or to refute a hypothesis, or for determining the efficacy or likelihood of something which is previously untried. Experiments have been found to provide insight into the cause-and-effect type of relationship by demonstrating what actually the outcome occurs when a particular factor is manipulated in an experimental study.
Tommy is planning a science fair project. He wants to measure the rate of photosynthesis in the plants which live in fresh water. This is an example of an experiment because it does not ask for a testable question.
Therefore, the correct option will be B.
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Your question is incomplete, most probably the complete question is:
Tommy is planning his science fair project. He wants to measure the rate of photosynthesis in plants that live in fresh water. Is this an example of a scientific investigation or an experiment?
a. An experiment because it shows a cause and effect relationship
b. An experiment because it does not ask a testable question
c. An investigation because it can be easily done in natural settings
d. An investigation because there is a control group
How long does it take for phosphorus to become a sedimentary rock
An owl eats its prey whole or in large pieces. Summarize what is found in an owl pellet and why it is regurgitated.
An owl’s digestive system cannot break down parts of the prey such as teeth, bones, fur, and exoskeletons. These parts of the prey are compressed into an owl pellet. The owl regurgitates this material so that it can leave the owl’s stomach.
I Hope This Helps!!!
An owl pellet is a regurgitated mass containing the indigestible parts of an owl's prey such as bones, fur, and feathers. It is formed in the gizzard and regurgitated as a means to eliminate these materials from the owl’s body.
Explanation:An owl pellet is a regurgitated mass of the indigestible parts of an owl's food. After an owl swallows its prey, the ingested food passes through their unique digestive system. It first travels through the crop where it is stored, then to the proventriculus where digestive juices break down the food, and then to the gizzard which grinds down the food with the help of swallowed stones or grit.
The owl's digestive system is unable to break down some parts of the food like bones, fur, and feathers. These are formed into a pellet within the gizzard, and then regurgitated by the owl. So, the owl pellet serves as a way for the owl to eliminate indigestible materials from its body.
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why is USGS gathering information in the Arctic Ocean and how are they going to use it?
nitrogeous base definition
What causes decrease of density in warming water
The water particle are moving faster which cause the to expand
Warming of ocean water causes its density to decrease due to the expansion of water molecules, which increases the volume they occupy. This decrease in density plays a significant role in the stratification of ocean waters, which impacts marine ecosystems and nutrient supplies.
The decrease in density of warming water is caused by the expansion of water molecules when they absorb heat. As water warms, its molecules begin to move more vigorously, causing them to occupy more space. This increase in volume due to temperature rise leads to a decrease in density, because density is defined as mass per unit volume. Considering that the mass of water remains constant as it warms, the density must decrease as the volume increases. This phenomenon is critical to understanding oceanic processes such as thermohaline circulation and the effects of climate change on oceanic ecosystems.
When surface waters warm up, not only does the density decrease but this also affects stratification. Increased stratification can lead to reduced vertical mixing, affecting the nutrient supply essential for marine life and hence impact the entire marine ecosystem. This relationship between temperature, density, and ocean health is an important concept in environmental science and climate research.
Why is the age of a fault younger than the rock in which it is found?
A fault is a fracture through rocks that has experienced significant movement. The age of a fault is typically younger than the rock in which it is found because the fault forms after the formation of the rock. This movement can cause displacement and deformation of the rock layers, resulting in the creation of a fault.
Explanation:A fault is a fracture through rocks that has experienced significant movement. The age of a fault is typically younger than the rock in which it is found because the fault forms after the formation of the rock. Faults are created when stress causes the rocks to break along a specific plane, allowing for movement to occur. This movement can cause displacement and deformation of the rock layers, resulting in the creation of a fault.
The age of a fault is younger than the rock in which it is found because the fault represents a period of tectonic activity that occurred after the rock formed and solidified.
To understand this, consider the following points:
1. Rock Formation: Rocks are formed through various geological processes such as volcanic activity, sedimentation, or metamorphism. Once a rock forms and solidifies, its age can be determined through radiometric dating methods, which give the time since the rock's minerals crystallized.
2. Fault Formation: A fault is a fracture or zone of fractures between two blocks of rock, which may have moved past each other. The movement along the fault is due to tectonic forces and can occur at any time after the rock has formed.
3. Relative Timing: The fault's formation postdates the formation of the rock. This is because the rock must first exist before it can be broken or displaced by tectonic forces. Therefore, the fault cannot be older than the rock it cuts through.
4. Geological Evidence: Field evidence such as cross-cutting relationships can be used to determine the relative ages of geological features. A fault that cuts through a rock layer must be younger than the layer it cuts.
5. Dating Techniques: While the rock can be dated using radiometric dating, the fault itself is dated by its position in the stratigraphic sequence and by dating the youngest rocks that it cuts through. The fault's activity can also be bracketed by dating the sedimentary or volcanic rocks that fill the fault zone or by dating minerals that formed within the fault due to hydrothermal activity associated with faulting.
In summary, the age of a fault is determined by the timing of tectonic activity that caused the faulting, which necessarily occurred after the rock formed. Thus, the fault is younger than the rocks it affects.
what is the difference between erepsin and trypsin
What type of power generation can cause air pollution?
A. Wind
B. Coal
C. Geothermal
D. Solar
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In one type of plant, orange petals (O) are dominant over yellow petals (o) and tall stems (T) are dominant over short stems (t). Complete a dihybrid cross for parents with the genotypes: OOTt × OoTt and answer the following in complete sentences.
Describe how you would set up a Punnett square for this cross.
List the likelihood of each possible offspring genotype.
List the likelihood of each possible offspring phenotype.
Genotype Likelihoods: We count each of the possible results and tabulate the number of times each appears, and divide by the total number of combinations (16).
OOTT: 2/16 = 1/8 = 0.125
OOTt: 4/16 = 1/4 = 0.25
Oott: 2/16 = 1/8 = 0.125
OoTT: 2/16 = 1/8 = 0.125
OoTt: 4/16 = 1/4 = 0.25
Oott: 2/16 = 1/8 = 0.125
Phenotypes: Check attachment. Based on the genotypes, use the dominant gene if at least one is dominant (Ex. Oo = O, oo = o)OT: 12/16 = 3/4 = 0.75
Ot: 4/16 = 1/4 = 0.25
what makes deep ocean water move?
Mendel suggested that each trait is the result of the interaction of two factors for that trait. Which term names these factors?
A. genes
B. alleles
C. traits
D. gametes
Answer:
alleles
Explanation:
Allele was the term Mendel used to name these factors. He suggested that each trait is as a result of the interaction between two alleles for that trait.
Gregor Mendel, an Austrian monk is the dubbed the father of genetics for his pioneering work in the field of genetics.
He proposed the mendelian laws of independent assortment and segregation from his observation.
He suggested that each trait is carried by an allele.
When parents combines to produce an offspring, they each give a copy of their allele.
The allele gives the trait of the offspring produced.
B. alleles is the names for the trait that result of the interaction of two factors.
What is Allele?In genetics, an allele is one of the possible forms of a gene that exists in a population. Alleles determine the expression of traits, such as eye color or hair type, by coding for a specific variation of a particular gene.
Mendel's law of segregation suggests that each individual has two alleles for a given trait, one inherited from each parent, and that these alleles segregate during the formation of gametes (sex cells) such that each gamete only receives one allele from each parent.
Mendel's law of independent assortment further suggests that the inheritance of one trait is independent of the inheritance of another trait, meaning that the distribution of alleles for one trait does not affect the distribution of alleles for another trait.
Together, these laws suggest that each trait is the result of the interaction of two alleles, one from each parent, and that the combination of these alleles determines the expression of the trait.
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Which of the following describes a role of gravity in the formation of our solar system? I. In the early stages of solar system formation, a fragment of an interstellar cloud of dust and gas collapsed and began rotating under the influence of gravity. II. The eight planets were originally orbiting a nearby star, and the Sun's gravity pulled those planets into orbit around the Sun. III. Gravity caused small particles in the rotating solar nebula to stick together and form larger particles. This process repeated itself, forming larger and larger particles that eventually became planets. IV. The combined gravities of the planets pulled the Sun away from a nearby star cluster and into the center of the solar system. A. I, III, and IV only B. I and III only C. I, II, and III only D. I, II, III, and IV
Answer: it's C
Explanation: I know this because i put B n i got it wrong so it's B
Some of the force required to pedal a bicycle is used to overcome the______ of the moving parts.
Answer:
the answer is friction
A ____ lens has a center that is thicker than its edge
aquarium ecosystem exploration
1. which biotic factors do you see in this photo?
2. which abiotic factors can you detect in this photo?
3. In what ways does one biotic factor interact with the abiotic factors?
4. Pick one biotic factor and change it dramatically somehow. How will this change affect the aquarium?
5. Pick one abiotic factor and change it dramatically somehow. How will this change affect the aquarium?
i need to know the answers to 13 and 14
give 2 examples of a physical response to an enviromental change that would enable an organism to maintain homeostasis
Which process describes the discharge of waste from the body? Absorption Chemical Elimination Mechanical
The elimination describes the discharge of waste from the body.
What do you mean by elimination?The food molecules that cannot be digested or absorbed need to be eliminated from the body. The removal of indigestible wastes through the anus, in the form of feces, is defecation or elimination.
Many internal organs and systems are responsible for eliminating waste from the body including: the lungs, skin, kidneys, liver, colon and lymphatic system.
The final step in digestion is the elimination of undigested food content and waste products. After food passes through the small intestine, the undigested food material enters the colon, where most of the water is reabsorbed.
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For some invertebrates that live in water, the sense of taste and the sense of smell are identical. Why do you think separate organs for taste and smell might have evolved in animals that live on land but not in some animals that live exclusively in water?
Final answer:
In water-dwelling animals, taste and smell senses often converge due to both detecting chemicals in a similar mechanism, serving roles in feeding, protection, and courtship. On land, separate organs for taste and smell evolved due to the distinct mediums (airborne for smell and in solution for taste), offering more specialized and precise sensory information processing critical for survival and reproduction.
Explanation:
The question asks why separate organs for taste and smell have evolved in animals that live on land but not in some animals that live exclusively in water. In water, taste and smell senses often converge because both involve the detection of chemicals dissolved in the water, utilizing a similar mechanism. In these aquatic environments, substances can be both tasted and smelled through the water, serving critical roles in feeding, protection, and courtship. This is particularly evident in some bony fish, where taste and smell are dominant sensory modalities and functionally intertwined. Fish, for example, have taste buds distributed across their body, allowing them to “taste” their environment without ingesting it, a feature unique among vertebrates.
On land, however, the separation of taste and smell into different organs could be attributed to the different mediums through which these senses operate. Smell in terrestrial animals involves detecting airborne molecules, while taste requires substances to be in solution (typically within the mouth). This separation allows for more specialized processing of sensory information relevant to the animal's survival, such as identifying potential food sources, recognizing danger (e.g., predators or toxic substances), and finding mates. The evolution of separate organs for these senses in land-dwelling animals could offer a more precise discrimination between beneficial and harmful substances, aiding in their survival and reproductive success.
what is a diatom? what makes them different from other algae?