sexual selection is selection that occurs between all individuals of a population solely with respect to reproduction

Answer:

C.

Explanation:

c. sun- grass-rabbit-wolf

Answer:

C

Explanation:

sun- grass-rabbit-wolf

Sun makes grass grow, rabbits eat grass, and finally wolves eat rabbits.

Answer:

ATP:Is the principal molecule for storing and transferring energy in cells. It is often referred to as the energy currency of the cell and can be compared to storing money in a bank.

How is it made:Most of the ATP in cells is produced by the enzyme ATP synthase, which converts ADP and phosphate to ATP. ATP synthase is located in the membrane of cellular structures called mitochondria; in plant cells, the enzyme also is found in chloroplasts.

primary function in cells:Adenosine triphosphate, or ATP, is the primary carrier of energy in cells. The water-mediated reaction known as hydrolysis releases energy from the chemical bonds in ATP to fuel cellular processes.

Explanation:

Digestion does not really release the unusable energy. It releases the unusable waste that we eat after absorbing the excess water in the large intestine. The waste comes out from the anus.

Answer:

Digestion does not replace food it is the kidney that removes some foods that does not have vitamins from them so Digestion helps people swallo their food

The frequency of the r allele in this population is 0.665. The beetle population is not in Hardy-Weinberg equilibrium, the correct options are (F) and (C) are correct.

We can use the Hardy-Weinberg equation: p² + 2pq + q² = 1,

where p = frequency of the R allele

q = frequency of the r allele

To calculate the frequency of the R allele by adding up the number of R alleles and dividing by the total number of alleles:

2(160) + 350 = 670

p = 670/2000 = 0.335

q = 1 - p = 1 - 0.335 = 0.665

The frequency of the r allele in this population is 0.665.

To determine if the population is in Hardy-Weinberg equilibrium, we can use the equation p² + 2pq + q² = 1 again.

RR = p² = (0.335)² = 0.112

Rr = 2pq = 2(0.335)(0.665) = 0.446

rr = q² = (0.665)² = 0.442

160 black / 1000 total = 0.160 observed RR frequency

350 tan / 1000 total = 0.350 observed Rr frequency

490 red / 1000 total = 0.490 observed rr frequency, the correct options are (F) and (C) are correct.

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The complete question is:

A biologist discovered that there is a species of beetle in which body color is determined by a single gene: RR = black body color; Rr = tan body color; rr = red body color She collected 1000 beetles from a local park and scored them for body color. These are her results: 160 black: 350 tan: 490 red. Based on this information, select the correct answer from the list for each question. What is the frequency of the r allele in this population? Is this beetle population in Hardy-Weinberg equilibrium for the R gene?

A. 0.16

B. 0.300

C. No.

D. 0.700

E. Yes.

F. 0.665

G.0.49

H. Not enough information

I. 0.400

J. 0.335

Answer:

C)trachea bronchi alveoli trachea

Monster Genetics Lab [Note: The two lab exercises let students put what they've learned about basic and intricate genetic traits to use.

A group of breeders came together to form Monster Genetics, which now offers a collection of the top American genetic lines. The cannabis seeds in the Monster Genetics inventory are of the highest caliber and are feminized and automated.

The term "genotype" broadly refers to an organism's genetic make-up; in other respects, it characterizes an organism's whole gene pool. The phrase can also be used to describe to the variants, or different forms of a genome, that an organism carries in a more specific meaning.

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Answer:

It's D

Explanation:

Answer:

Answer is D evolution of disease.

Explanation:

The reason for the clear zone may be that there is Insufficient lipolytic activity.

The absence of clear zones when using LB media with 1% olive oil for screening lipolytic bacteria could be due to Insufficient lipolytic activity.

Enzymes called lipases, which are produced by lipolytic bacteria, break down fats and oils. It's possible that the bacteria utilized in the experiment won't create lipases or have poor lipolytic activity, which would prevent them from efficiently hydrolyzing the olive oil in the media. There wouldn't be any observable clearing or lipid hydrolysis zones as a result.

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when something is inherited

Explanation:

The first organism is a Filter Feeder, which filters water to consume phytoplankton (microalgae).

The second organism is a Scraper/Grazer, which consumes leaves and algae and fungi on the leaf surface.

The third organism is a Shredder, which consumes algae on rocks.

The fourth organism is an Invertebrate Predator, which preys on small invertebrates.

The fifth organism is a Vertebrate Predator, which preys on vertebrates and invertebrates.

Answer:

Cork formation is a type of secondary growth that occurs in the stems and roots of woody plants. Gum formation, on the other hand, is a type of defense mechanism that occurs in response to injury or infection.

Explanation:

The matching of the layers can be seen in the lines that have been shown below.

Chromosphere: A thin layer of the Sun's atmosphere located above the photosphere and below the corona, characterized by a reddish glow.

Photosphere: The visible surface of the Sun, characterized by a granulated appearance caused by convective motion of gases.

Radiative zone: A region of the Sun's interior where energy is transferred through radiative processes as photons bounce around, taking up to a million years to reach the convection zone.

Corona: The outermost layer of the Sun's atmosphere, extending millions of kilometers into space, characterized by a faint glow and visible during a total solar eclipse.

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The given statement " Algae indeed produce energy-rich carbon compounds through photosynthesis". is True because  Photosynthesis is a vital process that occurs in the chloroplasts of algae cells.

During photosynthesis, algae capture light energy using pigments like chlorophyll and convert it into chemical energy. They utilize this energy to break down water molecules, releasing oxygen as a byproduct, and incorporating carbon dioxide from the surrounding environment. Through a series of enzymatic reactions, algae synthesize glucose, a high-energy carbon compound.

Glucose serves as a primary source of energy for algae, enabling them to carry out essential metabolic processes and sustain their growth. Additionally, algae can convert excess glucose into other energy-rich carbon compounds, such as lipids and starches, which serve as energy storage molecules. These compounds can be used during periods of limited sunlight or nutrient availability.

Overall, algae's ability to generate energy-rich carbon compounds through photosynthesis makes them an important component of aquatic ecosystems and potential sources for renewable energy production and biofuel development.

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Answer:

B. it combusts

Explanation:

Water doesn't combust since it isn't flammable. Hydrogen is flammable, but oxygen isn't.

Water=H2O.

Answer:

Nitrogen fixation

Explanation:

Answer:

Scientific Theory

Explanation:

The statement "the characteristics of living things change over time" refers to the concept of biological evolution, which is widely accepted as a scientific theory in the field of biology. In scientific terms, a theory is a well-substantiated explanation of a natural phenomenon that is supported by extensive evidence, experimentation, and scientific consensus. The theory of evolution, proposed by Charles Darwin and further developed over time, provides a comprehensive explanation for the diversity and change in the characteristics of living organisms. It is supported by a vast body of evidence from various scientific disciplines, including genetics, paleontology, comparative anatomy, and molecular biology.

In contrast, scientific laws describe observable patterns or regularities in nature that are often expressed as mathematical equations or principles. Laws, such as Newton's laws of motion or the laws of thermodynamics, describe specific relationships or behaviors in the physical world.

Therefore, the statement about the characteristics of living things changing over time aligns with the theory of evolution, rather than being described by a scientific law.

Hope this helps!

Answer:

Explanation:

However, in 2016 researchers published a new set of Neanderthal DNA sequences from Altai Cave in Siberia, as well as from Spain and Croatia, that show evidence of human-Neanderthal interbreeding as far back as 100,000 years ago farther back than many previous estimates of humans' migration out of Africa (Kuhlwilm Dec 11, 2020

Answer:

You haven't added the choices

Answer:the red one

Explanation:

i just took a test on this subject yesterdsy

When a unicellular organism swims from a hypertonic to an isotonic environment, its contractile vacuole becomes less active.

A hypertonic solution is one in which the concentration is greater than the surrounding environment.

An Isotonic solution is one in which the concentration is equal to that of the surrounding environment.

When a unicellular organism swims from a hypertonic to an isotonic environment, its contractile vacuole becomes less active since the solution are the same.

Therefore, the contractile vacuole will more active.

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A client is experiencing numbness and tingling in their fingers and lips while donating blood plasma. You suspect that the client is experiencing mild hypocalcemia. You work quickly to have them drink some calcium-rich beverage to replenish their calcium levels before they start experiencing more severe symptoms like laryngeal spasms, tetany, and convulsions.

A client experiencing numbness and tingling in their fingers and lips while donating blood plasma may be exhibiting symptoms of mild hypocalcemia. Hypocalcemia refers to low levels of calcium in the blood, which can lead to various neurological symptoms. To address this situation promptly, it is essential to provide the client with a source of calcium.

Milk or a calcium-rich beverage, such as orange juice fortified with calcium, would be a suitable option. These beverages contain bioavailable calcium that can be quickly absorbed by the body. Calcium is a crucial mineral that plays a vital role in nerve function, muscle contraction, and maintaining proper electrolyte balance.

When calcium levels drop, it can lead to neurological symptoms like numbness, tingling, and muscle spasms. If left untreated, severe hypocalcemia can progress to laryngeal spasms, tetany (persistent muscle contractions), and convulsions.

By promptly replenishing the client's calcium levels, the aim is to prevent the progression of symptoms to more severe manifestations. Calcium supplementation will help restore the balance of electrolytes in the body and support normal nerve and muscle function.

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Answer:

its a

Explanation:

Substance P is a neuropeptide that plays a significant role in the transmission and modulation of pain signals in the nervous system. It acts as a pain enhancer rather than a pain detractor.

When tissue damage or inflammation occurs, substance P is released by sensory neurons in the peripheral nervous system. It acts as a neurotransmitter and binds to specific receptors called neurokinin-1 receptors (NK-1 receptors) in the central nervous system and peripheral tissues. This binding triggers a cascade of events that amplify the pain signal and contribute to the perception of pain.

Substance P is involved in several processes related to pain:

1. Sensitization of pain receptors: Substance P increases the sensitivity of pain receptors, known as nociceptors, making them more responsive to painful stimuli. This sensitization can lead to an increased perception of pain.

2. Inflammation and immune response: Substance P promotes inflammation by inducing the release of histamine, cytokines, and other inflammatory mediators. It also attracts immune cells to the site of injury or inflammation, further contributing to the pain response.

3. Transmission of pain signals: Substance P is involved in transmitting pain signals from the peripheral nerves to the spinal cord and brain. It helps relay pain information to higher brain regions, contributing to the conscious experience of pain.

While substance P is primarily associated with pain, it also has other functions in the body. It is involved in regulating blood flow, neurogenic inflammation, mood regulation, stress responses, and gastrointestinal functions. However, its role as a pain enhancer is well-established and has been a focus of research in the field of pain management and pharmacology.

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Answer:

what food chain ?

Explanation:

In the human intestine, calcium is absorbed from food through both active and passive mechanisms.

Calcium moved against a concentration gradient. The calcium moves from lower to higher concentration. The energy is used in the form of ATP. A special type of carrier protein is used in this transport. This active transport is used in absorbing calcium, where calcium concentration in food is very low compared to body fluid. The passive transport of calcium does not require any energy, such as ATP. The calcium moves from higher to lower concentration. So transport of calcium depend on need of body and presence of calcium in food

Hence, calcium in concentration in food determine type of transport is used.

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