In trophic webs, any change affecting one of the links affects the superior and the immediately anterior link. Option b) decreased, increased, decreased.
What is a trophic web?
The trophic web is the interaction between different organisms involving transference of energy when some of them feed on the other ones. The ones placed at lower levels pass energy to the ones at the higher levels.
Organisms at each level feed on the preceding one and become food for the next one.
• The first link corresponds to a producer organism -autotroph-.
• The following links are the consumers -heterotrophs-: herbivores and carnivores.
• The last links are the decomposers that degrade organic matter from dead organisms.
Because it is a web, all organisms are in equilibrium until a change occurs. When a sudden change affects any of the involved links, there can be a cascade effect on the web.
Any change in a link population size (increasing or decreasing) will affect the superior links and the immediately anterior link.
To answer this question, we need to think about predatio-prey relationship.
In this food chain we know that
Urchins feed on kelp. Sea otters feed on urchins, and orcas feed on sea otters.So, the more orcas there are, the less sea otters there will be, because many orcas are feeding on them. Sea otters' population decreases in size.
↑ ocas ⇒ ↓ sea otters
Since there are fewer sea otters, the urchin population will be able to increase in size, because they are not affected by sea otter predation as they used to be.
↓ sea otter ⇒ ↑ urchins
Finally, the more urchins there are, the more affected kelp will be, because predation on them by urchins increases.
↑ urchins ⇒ ↓ kelp
The correct option is then option b. decreased, increased, decreased
↑ ocas ⇒ ↓ sea otters ⇒ ↑ urchins ⇒ ↓ kelp
decrease increase decrease
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why are plants called nature's purifier?
☁️ Answer ☁️
Plants are called as natures air purifiers because they perform photosynthesis in which they take in carbon dioxide from the atmosphere and give out oxygen .
❤️
plants are a natural type of filter and can purify the air of harmful contaminants. It’s no wonder why the air purifier vs indoor plants debate is such a hot topic. Unfortunately, plants can’t absorb all forms of air pollution.
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Which pair is correct?
a. G2 phase, preparation for mitosis
b. G1 phase, DNA replication
c. M phase, cell growth
d. S phase, cell division
A pair that is correct with respect to the cell cycle is the G2 phase, preparation for mitosis.
What do you mean by Cell cycle?The Cell cycle may be defined as the entire sequence of events happening from the end of one nuclear division to the beginning of the next.
In the G1 phase of the cell cycle, the cell grows in size and synthesizes mRNA as well as proteins which are required for DNA synthesis.
M-phase governs the nuclear division (Karyokinesis), and cytoplasm division ( cytokinesis).
S-phase is known to double the amount of genetic content within the cell.
Therefore, a pair that is correct with respect to the cell cycle is the G2 phase, preparation for mitosis.
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Which of the following is a scientific theory related to Earth Science? (mark all appropriate options)
Select one or more:
a. Big Bang Theory
b. Plate Tectonics
c. Theory of Relativity
d. Giant Impact Theory
Answer:
Plate Tectonics
Explanation:
The theory of plate tectonics states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle.
Which of the following pairs is the correct monomer-polymer pair?
Group of answer choices
nucleotide – RNA
fatty acid – carbohydrate
amino acid – DNA
monosaccharide – lipid
Answer:
amino acid
Explanation:
Amino acid - DNA
What are monomers ?
A molecule that can be bonded to other identical molecules to form a polymer. Examples of the monomers are glucose, vinyl chloride, amino acids, and ethylene. Every monomer can link up to form a variety of polymers in different ways
What are polymers ?
A polymer is any of a class of natural or synthetic substances composed of very large molecules, called macromolecules, which are multiples of simpler chemical units called monomers. Examples of naturally occurring polymers are silk, wool, DNA, cellulose and proteins.
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I NEED HELP PLSSS I WILL MARK BRAINLEIST XDD!
Answer:
B. Gravitropism
Explanation:
I think because gravity makes the roots go down???
Describe the advantages of using waves and tides to generate electricity.
Answer:
tidal energy is a renewable source of energy, which means the energy doesn't get drained (ig :/) as it is used. so, as you are harnessing energy from the changing tides, you don't decrease the amount of energy the tides can produce in the future. :) hope this helps
not but help pls pls pls
Answer:
A.
Tall eyes - genotype
Short eyes - genotype
Tall eyes - phenotype
B. The hospital made a mistake because the combinations all have T in them, which is dominant. The combination has to have tt for the baby to have short eyes. But tt is not a possible combination in this situation. So it is not possible for the baby to have short eyes, however tall eyes are possible.
Which is NOT a reactant of photosynthesis Glucose Carbon Dioxide O Sunlight Water
Answer:
Glucose
Explanation:
Glucose is not a reactant in the process of photosynthesis
glucose is the product
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which is the BEST description for the process of photosynthesis?
Photosynthesis is the transfer of matter and flow of energy between the plant and its
environment.
B
Photosynthesis requires an input of matter but not an input of energy
о
С
Photosynthesis requires an input of energy but not an input of matter
D
Photosynthesis is the transfer of matter and flow of energy between the plant and the Sun
Answer:
Explanation:
Who is the plaintiff in a criminal court case?
the defendant
the government
the judge
the juror
Answer:
A plaintiff is the party who initiates a lawsuit (also known as an action) before a court. By doing so, the plaintiff seeks a legal remedy; if this search is successful, the court will issue judgment in favor of the plaintiff and make the appropriate court order
The defendant is the answer
Explanation:
the other guy
Describe how commercial fishing by humans can have a negative impact on the balance of organisms in an aquatic environment.
Answer:
Aside from reducing fish stocks, unsustainable fishing practices can have other negative impacts on the marine environment. For example, some fishing techniques such as dredging and trawling can cause widespread damage to marine habitats and organisms living on the sea floor.
Vaccinations can help build immunity. Vaccines stimulate the body to make an immune response. What is in a vaccine that causes the immune system to respond?
antibiotic
antiviral drug
spinach
killed or weakened pathogen
Answer:
killed or weakend pathogen
Explanation:
I play Doc on siege
What are the 2 types of eukaryotic cells? (select all that apply)
prokaryotic
animal
virus
plant
Answer:
Plant and animal
Explanation:
Are the oldest rock on the highest or lowest stratum?
Answer:
The principle of superposition states that the oldest sedimentary rock units are at the bottom, and the youngest are at the top.
Explanation:
The principle of superposition states that in an undeformed sequence of sedimentary rocks, each layer of rock is older than the one above it and younger than the one below it (Figures 1 and 2). Accordingly, the oldest rocks in a sequence are at the bottom and the youngest rocks are at the top.
☁️ Answer ☁️
Lowest.
the lowest stratum tend to have the slowest-moving creatures; above them are faster ones. Evolutionary scientists declare these lowest strata are many millions of years old (570 million for the oldest, the Cambrian), and the topmost to be the most recent.
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What holds the base pairs to each other?
Answer:
The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.
Explanation:
What are some of the roles of proteins in the human body?
Which of the following is the best definition for homeostasis
1- The movement of particles from one side of a cellular membrane to another.
2- The tendency of particles to distribute themselves evenly across a membrane.
3- The ability to maintain and regulate stable internal conditions of the cell.
4- The transfer of molecules in response to excess solute relative to a solution.
Answer:
second
Explanation:
Spontaneous generation, the claim that living things can come from nonliving things, was an integral part of the theory of how life began and evolved for many years. In the 1600s, Francesco Redi was the first scientist to try to disprove spontaneous generation. Louis Pasteur, in 1859, finally disproved this claim with scientific evidence.
Answer:
The answer is Scientific thoeries are a culmination of many scientific investigations drawing together all current evidence.
Explanation:
Water is being added to split sucrose apart into 2 simple sugars. What is the name for this process?
Group of answer choices
hydrolysis
dehydration synthesis
condensation
polymerization
Answer:
2 and 3 mate
Explanation:
hope it helps mark me as the brainliest
Explain how the energy would flow between the following organisms: A fox,
grass, and a rabbit.
Answer:
grass----- rabbit----- fox
Explanation:
A food chain always starts with a producer, which is an organism that makes food. This is usually a green plant, because plants can make their own food by photosynthesis. A food chain ends with a consumer, which is an animal that eats a plant or another animal.
Green plants are producers
They are the first link in all food chains
Plant cells contain chlorophyll and can photosynthesise
Photosynthesis produces glucose and oxygen
Animals are consumers
If they eat plants, they are the first-order consumers or herbivores
The chemical energy in the green plants is transferred to the animal when it eats the plant .
Particles of the ground that have a lot of energy can do two different things with this energy. What are these two things?
Answer:
The energy associated with an object’s motion is called kinetic energy.
the energy associated with the constant, random bouncing of atoms or molecules. This is also called thermal energy
Complete the sentence using the correct term.
____ are tree surgeons, and their work mainly involves planting and transplanting trees.
[There is no multiple choice]
Answer:
arboriculturists or arborists
Explanation:
are also know as tree surgeons
Arborists are tree surgeons, and their work mainly involves planting and transplanting trees.
Who are arborists?Tree experts known as arborists must have comprehensive certificates. Arborists are qualified experts with training in the planting, upkeep, care, and diagnosis of trees, shrubs, and other woody plants. They are experts in all tree and shrub species and can provide knowledgeable guidance on how to cultivate and develop trees.
Professional, educated arborists are aware of how to care for trees in a way that promotes both the health of the tree and public safety. Pruning or removing trees, especially huge trees, can be risky work. Trees are an investment that requires regular tree care.
Thus, Arborists are tree surgeons, and their work mainly involves planting and transplanting trees.
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Define biodiversity and the importance of diversity in ecosystems. How could humans harm an ecosystem's biodiversity?
Answer:
Biological diversity - or biodiversity - is the term given to the variety of life on Earth and the natural patterns it forms. The biodiversity is the fruit of billions of years of evolution, shaped by natural processes and, increasingly, by the influence of humans.
Explanation:
Biodiversity is important to humans for many reasons. ... Ecological life support— biodiversity provides functioning ecosystems that supply oxygen, clean air and water, pollination of plants, pest control, wastewater treatment and many ecosystem services. If no changes are made in the ways humans use resources on earth, there will continue to be a degradation of biodiversity until human lives can no longer be sustained. Humans affect biodiversity by their population numbers, use of land, and their lifestyles, causing damage to habitats for species.
RNA differs from DNA by which of the following?
1. RNA has uracil rather than thymine
II. RNA is single-stranded versus DNA's double strands
UI. Ribose is in RNA, while DNA has Deoxyribose
IV. RNA has phosphate, while DNA has sugar
a
b
I, II and III only
II, III and IV only
I, II and IV only
I, III and IV only
С
d
how can you use your ears to help you find where a sound is coming from?
Answer:
WELL UMMMMM.....
Explanation:
THERE ARE SOUND WAVES THAT TRAVEL THROUGH THE AIR AND YOUR EAR HEARS SOUNDS FROM THAT SO YAAA
Answer:
Sound waves travel through a medium(Solid, Liquid, and gas). So, the higher the frequency of a sound the more likely you are to hear it, also, we use our ears by listening to sound page. The ears detect sounds by listening
effect of sound pollution in points in 4 points
A student wants to use the Venn diagram below to show the characteristics of two kingdom of organisms. The characteristics that the two kingdoms share will be listed in the shaded area where the circles intersed.
Which of these is a characteristic that the student should list in the shaded part of the diagram?
A. Heterotrophic
B.mobile
C.prokaryotic
D.multicellular
Answer:
Multicellular
Explanation:
I just took the test and got it correct.
The characteristics that the two kingdoms share will be listed in the shaded area where the circles intersed are multicellular. Thus the correct option is D.
What is multicellular?Multicellular organisms is refer to as that composed of more than one cell, with groups of cells differentiating to take on specialized functions.
Fungi can be single celled or very complex multicellular organisms. They are found in just about any habitat but most live on the land, mainly in plant or on soil rather than in fresh water or sea. Plants are multicellular autotrophs with cell walls made of cellulose, and they cannot move around.
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All of the following contribute to the severity of the effects of natural disasters during modern times except
A) choices in land use
B) evacuation and disaster relief plans
C dramatic increase in human populations
D predictability of natural disasters
E) people choosing to live in areas at high risk for hazards
Answer:
its B
Explanation:
i hope i help :)
Draw model using the following terms: allele, gene locus, and chromosome. Be sure to draw arrows to specify where you are labeling!
Answer:
I am not sure where we should draw from
Explanation:
???
Artificial selection is based upon humans making the choice about which traits are favored and which parents will be allowed to reproduce. Natural selection is based upon factors in the natural environment favoring certain parents to produce offspring
Answer: True
Explanation:
The artificial selection allows humans to exploit the genetic resources (alleles, genes) of the organisms during mating. This allows the transmission of valuable and desirable traits of both parents to the offspring. This improves the quality of milk, meat, and plant yield. Natural selection is a natural phenomenon human have no role in natural selection. In this the nature selects those individuals to survive in their environment which have better phenotypic traits over others. These traits allows the organism to survive and reproduce and the beneficial traits are passed on to the next generation. On contrary, the traits which are beneficial in one kind of environment can be harmful in other environment. For example, the bears have thick coat which allows them to survive in cold conditions but in extreme heat they may not survive.