stick insects got their common name because of how well they morphologically match their environment, which is typically wood branches. as a type of camouflage, their morphology enables them to avoid predators by appearing to be another stick (or sometimes a leaf) in the bush or tree in which they are living. stick insects display a wide diversity of colors and shapes, with each species having evolved to closely match its host plant. if congress were to repeal the clean air act and we reverted to the days of smoggy air with significantly higher particulate matter that caused plants to darken from exposure, which statement would describe the likely evolution of the stick insect populations? choose one: a. the pollution will not affect the stick insect populations, so they will not evolve. b. the pollution will significantly reduce the stick insect populations. c. stick insects will retain the same morphology, but those that are resistant to air pollution will be more likely to survive and reproduce. d. stick insects that more closely match the darker color of the branches will be more likely to survive and reproduce, with the next generation of stick insects having a higher proportion of darker insects.

Answer:

It could provide energy to areas of the world that have difficulty accessing electrical energy.

Explanation:

:)

Answer:

amber

Explanation:

the amber completely preserves the specimen

Answer:

A. Competition

Explanation:

Both species of bird need to compete for limited resources, in this case they need to compete for both territory and food

Answer:

Competition

Explanation:

Answer: The contracting cloud is then called a protostar. A protostar is the earliest stage of a star's life. A star is born when the gas and dust from a nebula become so hot that nuclear fusion starts.

Explanation:

Based on an understanding of other aquatic organism, the newly discovered organism is hypertonic compared to the surrounding water.

Tonicity refers to the ability of a solution to exert an osmotic pressure upon a membrane.

A tonic solution can either be;

A hypertonic solution is a solution that has a high concentration of solute compared to its surrounding environment while hypotonic solution has a lower concentration of a solute compared to its surrounding environment.

According to this question, a new type of marine organism has kidneys of a fish but no gills. This means that the newly discovered organism is hypertonic compared to the surrounding water.

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The carrying capacity is the maximum number of moose and wolves that

can be sustainably supported by the environment.

Reasons:

From the table, the carrying capacity (maximum population) of wolves that

is observed is 45 wolves in 1975, which corresponds to a local maximum of

moose of 1,100 at the same time.

The carrying capacity (maximum population) of the moose is 2,500

Finding the rate of change of population of moose to wolves gives the

following table.

\(\begin{array}{|c|c|c|}\mathbf{Year} &\mathbf{Population \ of \ Moose}&\mathbf{Rate \ of \ Change}\\1955 - 1965&800 \ in \ 1965&37.5\\1975 - 1965&1100 \ in \ 175&17.64706\\1985 - 1975&1200 \ in \ 1985&-4\\1995 - 1985&2500 \ in \ 1995&-260\\2005-1995&500 \ in \ 2005&-400\end{array}\right]\)

The rate of change in the growth rate of the moose to the growth rate of

wolves is reduces between the populations of moose of 800 and 1100 from

highest growth rate of 37.5 to 17.6.

The highest ratio of moose to wolf at a point when both population are

increasing is approximately 28.6 to 1 when the population of moose is 800.

Therefore, for long-term stability of the populations of wolves and moose,

the population of the moose that would enable an adequate balance

between the populations such one population does not affect the other,

and benefit both populations  is 800 moose while the population of the

wolves is 45.

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Answer:

My answer is the CNS consist of the brain and the spinal cord nerves but not cerebellum.

The nerves that reach the tissues in limbs is not the part of the central nervous system.  

• The central nervous system or the CNS mainly is formed of the spinal cord and the brain. However, it generally is considered to exhibit seven fundamental parts, that is, the spinal cord, the pons, the medulla, the midbrain, the cerebellum, the cerebral hemispheres, and the diencephalon.  

• The parts of the nervous system apart from the brain and the spinal cord is known as the peripheral nervous system.  

• It comprises the spinal nerves, the cranial nerves and their roots and branches, the neuromuscular junctions, and the peripheral nerves.  

• The bundles of axons or the nerve fibers transmit information to and from the central nervous system in the peripheral nervous system.  

Thus, the nerves that reach the tissues in the limbs is the part of peripheral nervous system not central nervous system.

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Atrial fibrillation and Dabigratan are two medical terminologies that are related to the cardiovascular system.

Atrial fibrillation is the most prevalent cardiac arrhythmia and is caused by the chaotic electrical activity of the atrial tissue. On the other hand, Dabigratan is an oral anticoagulant that is used to reduce the risk of stroke and blood clots in people with atrial fibrillation.

Now, let us proceed to the patient finding that indicates effective treatment of atrial fibrillation with Dabigratan. A patient's international normalized ratio (INR) is a measure of the degree of anticoagulation achieved by oral anticoagulant therapy such as warfarin. For patients receiving dabigatran, an INR value does not need to be checked or monitored, because dabigatran does not have the same impact on clotting factors that warfarin does.

Therefore, a patient's INR level is a finding that indicates the effectiveness of the treatment of atrial fibrillation with dabigatran.

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Answer:

OC. the vascular tissue

Answer:

1. Li - Na

2. F - Br

3. P - As

4. Ra - Ba

Species 1: AACTACTGCACGCTCATA

Species 2: AACTAGTGCTCGCTCACA

Species 3: AATTACTGCACGCTCACA

There have been three single and one parallel changes as species 2 and 3 evolved from species 1.

DNA sequencing is defined as the process of determining the nucleic acid sequence which is the order of nucleotides in DNA which includes any method or technique used to determine the order of the four bases: adenine, guanine, cytosine and thiamine.

Adenine binds with Thiamine with double hydrogen bonds and Cytosine binds with Guanine with triple hydrogen bonds.

Thus, there have been three single and one parallel changes as species 2 and 3 evolved from species 1.

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Answer:

First passed in 1972, the Clean Water Act (CWA) serves to maintain chemical, biological and physical integrity of the navigable waters of the United States. The CWA made it unlawful to discharge any pollutant from a point source into navigable waters, unless a permit was obtained.

Explanation:

Modern wearable biosensors are capable of all except reading thoughts of individual and reporting to whoever is legally permitted to receive these records.

Modern wearable biosensors are capable of profiling small biomolecules, collecting medical-quality electrocardiogram readings, reading vital signs of individuals, and providing clues for optimizing physical performance back to the wearer by reading their breathing patterns. However, they are not capable of reading the thoughts of individuals and reporting them to whoever is legally permitted to receive these records. This technology is not yet available and would raise significant ethical and privacy concerns if it were. Therefore, the correct answer is D: reading thoughts of individual and reporting to whoever is legally permitted to receive these records.

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Answer:

Rattling and clanging sounds deter crows as much as reflected light. Distress signals. Play recorded distress calls of other crows to keep them at bay. Noisemakers and the sounds of fireworks are also a repellent.

Explanation:

Answer:

The condition given is that a plant (Homozygous tall) is crossed with a plant (Homozygous dwarf), then the appearance of the plats or saplings at the F₁ generation would be all tall plants.

The plants are homozygous tall, so their alleles will be the same. Consider a plant with tallness TT and a plant with dwarfness tt.

All the F₁ generation plants have a dominant "T". Therefore, all the saplings will be tall.

CONCLUSION - ALL THE SAPLINGS WILL BE TALL.

CONCEPTS USED:

Homozygoes - Homozygous in biology means that both alleles are identical. For example, if it is said that a fruit is homozygous sweet, it has identical sweet traits.

Heterozygous - Heterozygous in biology means that both alleles are not identical, but they are contrasting. For example, if a fruit is heterozygous sweet, it has a allele for sweetness and a allele for other flavours.

Explanation:

the physical and biological factors of a rocky shore ecosystem contribute to vertical zonation of the organisms living because many animals live there, and rocky shores are a productive food source and an important nursery area for them.

The rocks, platforms, depressions, cobblestones, pebbles, and boulders provide a variety of habitats for organism living in there. Not only do rocky shore serve as habitats for a wide variety of animals, but they also provide a rich food source and serve as critical nursery area for numerous fish and crab species. Also, there's a plethora of fish food in this environment. Blackfish, yellowfin bream, snapper, tarwhine, trevally, yellowtail, and sampson fish are just a few of the commercially valuable species that can be caught near rocky shores.

Some of these species prefer to shelter in locations that are characterized by rocky shores and dense stands of seaweed, both of which help to reduce the impact of wave power. The algal beds here provide a crucial food source for endangered marine turtles and other animals. Wading birds enjoy the exposed rocks at low tide, where they may hunt for crabs and limpets.

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Answer:

D.

Explanation:

because.

Gametes are produced as a result of meiosis.

The meiosis is divided into Meiosis I and Meiosis II, each stage   subdivided into sub phases.

In prophase I of  Meiosis I, nuclear envelope disintegrates, Chromosomes condensed and Spindle fibres are formed.

In Prometaphase II, Spindle fibres bind to the chromosomes at the centromere.

In Metaphase I, homologous chromosomes align at the equatorial plate.

Anaphase I where  chromosomes are move towards the opposite poles.

In Telophase I, Spindle fibres disappear, reformation of Nuclear envelope; In Cytokinesis I,  2 non-identical diploid daughter cells are produced.

In Prophase II of meiosis II same event occur like prophase I.

In Metaphase II chromosomes align along the equatorial plate; In Anaphase II, Sister chromatids move to opposite poles.

Telophase II where Nuclear envelope reappear and the spindle fibres disappear; Cytokinesis II where cell divide into 4 non-identical haploid daughter cells.

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Answer:

External and Internal Fertilization?

Explanation:

Answer:

I think producers

Explanation:

In an energy pyramid, producers have the most energy available. The correct option is 2.

A graphic that depicts the biomass or bioproductivity at each trophic level in an ecosystem is called an ecological pyramid.

An ecosystem's energy transfer from one trophic, or feeding, level to the next is depicted by an energy pyramid.

The model is a figure that contrasts how much energy different trophic levels of species use. Kilocalories are the units used to measure the energy in an energy pyramid (kcal).

The producers are located in the base of the pyramid, which is also its greatest level.

The amount of energy diminishes and the levels get smaller as you progress up the pyramid, via the trophic levels to primary, secondary, and tertiary consumers.

Thus, the correct option is 2.

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Dangers from exposure to pesticides through food depend on how much and how frequently it is eaten, how potent the chemical toxin is, how concentrated it is in the food, and the type of food contaminated with the pesticide.

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Answer:

B. To supply oxygen and nutrients to the body via blood vessels

Explanation:

The point mutation can alter the amount of DNA sequences depending upon the type of mutation.

A point mutation is a type of mutation in which the DNA or RNA, the organism's genetic material, is altered by the addition, deletion, or modification of a single nucleotide base. The amount of DNA is unaffected by base substitution since the nucleotide count is unaffected after the substitution. The amount of DNA grows with insertions and mutations because there are more nucleotides involved, whereas it decreases with deletion mutations. A common example of substitution point mutation is sickle cell anemia.

Hence, the type of point mutation determines the amount of DNA.

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The option that best describes a scientific consensus is a general agreement among many scientists that are supported by evidence and reasoning.

The correct option is C.

The lock and key model of enzyme catalysis is described as follows:

Enzymes have a shape that specifically fits the reactants, like a key in a lock.

The correct option is B.

A scientific consensus is a common agreement about a particular idea or theory that has achieved general acceptance among scientists.

A scientific consensus is arrived at after several corresponding experiments or research on a particular theory or idea by scientists all over the world.

When a scientific consensus is reached, the idea becomes a theory upon which other scientific ideas are based on and used to explain other ideas.

Enzymes are specific in their action and the mechanism of their action has been described using the lock and key model.

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Answer:

In the light-independent reactions or Calvin cycle, the energized electrons from the light-dependent reactions provide the energy to form carbohydrates from carbon dioxide molecules. ... In addition, several enzymes of the light-independent reactions are activated by light.

The bacteria that cause whooping cough, also known as pertussis, produce a toxin that triggers a strong coughing reflex. The toxin affects the cilia (hair-like structures) in the airways, causing them to become inflamed and irritated.

This leads to coughing fits that can last for several minutes and may end with a whooping sound as the person tries to catch their breath. The toxin can also damage the lungs, making it difficult for the person to breathe, and can cause other symptoms such as fever, vomiting, and fatigue.

Whooping cough is a highly contagious disease that can be very serious, especially in young infants who may not be able to clear the infection on their own. The best way to prevent whooping cough is through vaccination, as the vaccine provides protection against the toxin produced by the bacteria.  

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Answer:

4200u cubed

Explanation:

V = lwh

Answer:

Photosynthesis makes the glucose that is used in cellular respiration to make ATP.

Extra stuff if you need it: The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.

Cellular respiration and photosynthesis are direct opposite reactions. Energy from the sun enters a plant and is converted into glucose during photosynthesis. Some of the energy is used to make ATP in the mitochondria during cellular respiration, and some is lost to the environment as heat.

Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water. While photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide. It is the released oxygen that is used by us and most other organisms for cellular respiration. We breathe in that oxygen, which is carried through our blood to all our cells. In our cells, oxygen allows cellular respiration to proceed. Cellular respiration works best in the presence of oxygen. Without oxygen, much less ATP would be produced.

Cellular respiration and photosynthesis are important parts of the carbon cycle. The carbon cycle is the pathways through which carbon is recycled in the biosphere. While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere. The exchange of carbon dioxide and oxygen during photosynthesis and cellular respiration worldwide helps to keep atmospheric oxygen and carbon dioxide at stable levels.

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The layer that most likely to occur is layer 1

Answer: They are right it is answer #1 because it is the most compact part of the rock/rocks for lithification.

i think its

carbon- 2 (there are two in the n=1 level) 4 (there are four in the n=2 level)

i might be wrong, but hope this helps :)

Electrons in atoms are arranged in energy levels. The electrons in the energy levels of carbon are;

n= 1 ------ 2 electrons

n = 2 ----- 4 electrons

n =3 -----  0 electrons

n = 4 ----- 0 electrons

Carbon has the electronic configuration; 1s2 2s2 2p2.

This means that there are only two electrons in the n-1 level and there are four electrons in the n=2 level.

This makes a total of six electrons in carbon as shown.

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