Why is a symptomless STI just as dangerous as an STI that exhibits symptoms? Explain your answer.

Twin and adoption studies shed light on the relative influence of genetics and environment by examining the similarities between identical twins raised apart and between adopted children and their biological or adoptive families.

Twin studies are a cornerstone of quantitative genetics, which analyze degrees of similarity between individuals to infer the respective roles of genetic and environmental factors. Identical twins separated at birth and raised in different environments present a unique opportunity to isolate the effects of their genetic makeup from environmental influences, since they share identical genes but not the same environment.

An adoption study further aids in understanding nature vs. nurture, where researchers look for similarities between adopted children and their biological versus adoptive parents. A closer resemblance to biological parents suggests genetic influences, while greater similarity to adoptive parents indicates environmental effects.

Beyond twins and adopted individuals, family studies, including extended family, siblings, and half-siblings, expand our knowledge of genetic and environmental contributions to traits and behavior.

Answer:

Option (B)

Explanation:

A river that is diverted to the irrigating farmland during a drought is an example of the human-caused disturbances to an ecosystem.

An ecosystem refers to a particular community within which the organisms exist and interact with each other. For example, fresh water ecosystem, desert ecosystem and forest ecosystem.

In the given situation, the river channel is disturbed by changing its flow direction. This is caused by the human activity, that changes the course of the river channel to the farmlands during a flood, so that the water can provide nutrient to the soil and prevent the soil from getting eroded.

Thus, by doing this, the river ecosystem gets affected, as a result of which the organisms existing in this ecosystem such as fishes are affected.

Hence, the correct answer is option (B).

Answer:

FATS -- THIS IS CORRECT ANSWER IN GRAD POINT

Explanation:

The dye namely Sudan III generally shows a high affinity for fats. The correct option is C.

Sudan III is a dye which is used in Sudan labeling. Oil Red O, Sudan IV, and Sudan Black B are same dyes.

They are used to stain triglycerides in frozen sections as well as certain protein-bound lipids and lipoproteins in paraffin sections.

The dye namely Sudan III generally shows a high affinity for fats.

Thus, the correct option is C.

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Population Density is directly related to the science of ecology. So, the correct option is (D).

Population density is defined as the average number of individuals per unit population of area or volume. For example, a population density of 100 red ants living in an area of ​​100 square meters is 1 ant per square meter.

Ecology attempts to understand the relationship between living organisms such as plants, animals, microorganisms and their environment . Population density refers to the number of individual organisms in a unit area of ​​space.

Population density = Total Population / Area of ​​residence

Thus, Population Density is directly related to the science of ecology. So, the correct option is (D).

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A strand of DNA having base sequence as ACG TTA. The complementary strand of DNA will be produced with base sequence as TGC AAT. In the double strand DNA nitrogenous bases paired in a specific manner, A (Adenine)always pairs with T (Thymine) with double hydrogen bond or vice-versa and C (Cytosine) pairs with G (guanine) with triple hydrogen bond or vice-versa.

Final answer:

Diatoms play a crucial role in aquatic ecosystems by contributing significantly to global oxygen and carbon production, trapping carbon dioxide at the sea floor, and having economic interactions with humans through the use of diatomaceous earth in various industrial applications. They also influence aquatic biodiversity through their competitive interactions with other phytoplankton.

Explanation:

Diatoms are significantly important to ecosystems beyond being a source of food due to their roles in global ecology, economic interactions with humans, and their competition with other phytoplankton. Despite their minuscule size, diatoms are responsible for over 40% of the ocean's production of oxygen and reduced carbon, playing a crucial part in essential biogeochemical cycles including those for oxygen, carbon, and silica. Their unique silicon-based cell walls, requiring considerably less energy to construct than carbohydrate-based walls, give them competitive advantages in aquatic environments. Furthermore, diatoms contribute to the carbon cycle by sinking to the sea floor when they die in large numbers, trapping carbon dioxide that they had consumed during photosynthesis and thus reducing the amount returned to the atmosphere. Besides their ecological importance, diatoms have various economic interactions with humans. Their cell walls, preserved as diatomaceous earth, have numerous industrial applications such as in filters, abrasives, and even in toothpaste. Lastly, diatoms can outcompete other algae for resources in aquatic environments, especially in conditions where silicon is abundant, thereby influencing the biodiversity and stability of aquatic ecosystems.

Answer:

Gases have more kinetic energy than liquids. Liquids have more kinetic energy than solids. When a substance increases in temperature, heat is being added, and its particles are gaining kinetic energy. Because of their close proximity to one another, liquid and solid particles experience intermolecular forces.

Gene expression allows one cell such as brain cell to take a different shape and function compared to the other cell such as arm cell.

Gene expression is the process which involves the transfer of information from a gene that is used in the synthesis of a functional gene product enables the production of end products, such as protein or non-coding RNA, which ultimately affect the phenotype of an individual, as the final effect.

Gene expression depends upon several factors such as, genetic makeup, exposure to harmful substances, environmental influences, and age of the organism, all can affect gene expressivity and hence the phenotype of the organism.

In gene expression, genes which are inactive are silent or unavailable for the protein development in cells. Because of this reason, the cells which carry the same instructions becomes a brain cell and another a skin cell.

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Answer:

A.  merostomata

Horseshoe crabs are merostomata class

Explanation:

Merostomata is one of the five class of the phylum arthropoda. Horseshoe crabs are not crustaceans. They are the only living representative of a group that flourished successful over 300 million years ago on the earth. They have lived in the coasts of North America and Southeast Asia.

Taxonomy:

PHYLUM:  arthropoda

SUBPHYLUM: chelicerata

CLASS: merostomata

ORDERS: xiphosura

FAMILIES: limulidae

All living organisms are composed of cells.

Answer:

The answer is C. "All living organisms are composed of cells."

Hope This Will Help!!! ; )

Explanation:

Answer:

the answer is b. scarcity of drinking water

Explanation:

A business cycle is a recurring pattern of expansion and contraction in economic activity over time.

- Phases: The business cycle consists of several distinct phases, including expansion, peak, contraction, and trough.

- Expansion: During the expansion phase, economic activity, such as production, employment, and spending, increases, leading to growth in the economy.

- Peak: The peak marks the highest point of the business cycle, where economic activity reaches its maximum level before starting to decline.

- Contraction: Following the peak, the economy enters a contraction phase characterized by a decline in economic activity, such as falling production, rising unemployment, and reduced spending.

- Trough: The trough represents the lowest point of the business cycle, where economic activity reaches its lowest level before starting to recover.

- Factors: Various factors influence the business cycle, including changes in consumer and business confidence, government policies, technological advancements, and external shocks such as natural disasters or geopolitical events.

- Policy Response: Governments and central banks often implement fiscal and monetary policies to mitigate the effects of economic downturns and promote recovery during economic contractions, aiming to stabilize the business cycle and achieve sustainable economic growth.

Parasitism Is the answer I see it in my old notes lol

Plzz mark brainlest

Answer:

A

Explanation:

the will be gravity for this question

Longitudinal waves

Answer:

The correct answer will be option-D.

Explanation:

Fungi forms symbiotic or mutual relationship with higher plants known as mycorrhizae.

These mycorrhizae could be present on the tree parts like stem which form the ectomycorrhizae and some live inside the plant parts like in the roots and known as endo-mycorrhizae.

The fungi provide useful nutrient like they absorb phosphorus from the soil and provide it to the plants and in return plant give shelter to these fungi.

Thus, option-D is the correct answer.

Answer:

it is B parastic ; die

Answer: B.The aquatic species’ populations will decrease, and the ecosystem’s carrying capacity will increase.

Explanation:

Limiting factor can be define as the factor which is capable of reducing the population of a species. Carrying capacity can be define as the maximum number of the population of a species that a region or ecosystem can support in terms of availability of resources. The construction of a dam is likely to disturb the native habitat of the living species in the river. As it is going to cut the part of river. The construction of a dam is a limiting factor for aquatic animals species. Due to the decrease in the population of native animals the carrying capacity of a region will increase .

Final answer:

Dam construction impacts aquatic species populations and the ecosystem's carrying capacity by decreasing both due to altered river conditions and habitat loss.

Explanation:

The likely outcomes for the populations of aquatic species and the ecosystem's carrying capacity due to dam construction:

The aquatic species' populations will decrease due to altered river conditions, reduced flow, and habitat loss.

The ecosystem's carrying capacity for the aquatic species will decrease as the habitat is cut off, affecting the overall biodiversity and ecosystem health.

Therefore, option B The aquatic species’ populations will decrease, and the ecosystem’s carrying capacity will increase is the most likely outcome for the populations of aquatic species and the ecosystem's carrying capacity.

Answer:

bar graph

Explanation:

apex