Biologists conclude that sardine fish form tight clusters
called "bait balls," such as the one shown in the image,
because this behavior protects them from predators.
Which evidence would support this conclusion?
A. Observations tracking the movement of an individual sardine
when a predator is near

During prophase of the cell cycle, the cell condenses its chromosomes and breaks down the nuclear envelope.

A cell cycle, also known as a cell-division cycle is defined as a series of events which take place in a cell as it is growing and dividing in order to form two daughter cells. A cell cycle has a few different stages namely prophase, metaphase, anaphase and telophase.

Prophase is the first stage of both mitosis as well as meiosis. In the prophase, the chromatin which is present in the cell is condensed in order to form chromosomes. The nuclear envelope, which is the membrane which surrounds the nucleus of the cells also starts breaking done.

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Answer:

it will eventually dry out

Answer:

It will eventually evaporate.

Explanation:

if you have more water evaporating (turning into clouds) than precipitating (raining) than eventually the whole lake will be evaporated. Because there will be no more water to evaporate if the rate stays the same.

Domestication of many organisms, such as honeybees and livestock causes a decrease in the genetic diversity of the organisms.

Genetic diversity refers to the range of genetically different individuals that are present in the same species. Domestication is the process by which the wild animals as well as plants are adapted to the human environment.

Domestication of livestock and honeybees is often done for economic reasons. An unintended consequence of the process of domestication is the decrease in the genetic diversity of the species. This decreases leads to a decrease in the variation which reduces the survival advantage of these species.

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Answer:

I don't remember the answer for the first one but for the others

2nd question : homogenous and Dominate

3rd question: heterozygous

4th question : homogenous and Recessive

Explanation:

Escherichia coli, Staphylococcus, and Clostridium perfringens (E. coli; toxic strain). They undermine health by causing illness and hastening aging. When you are healthy, opportunistic microbes do not present a problem.

They are to blame for a number of infectious ailments, including tooth decay, diphtheria, syphilis, tuberculosis, and pneumonia. Certain bacteria break down cellulose, destroying textiles, wooden things, and canvas.

Bacteria can occasionally grow so quickly that they crowd out host tissues and impair normal function. Sometimes they actually kill tissues and cells. Sometimes they produce poisons that can paralyze, dismantle the metabolic machinery of cells, or trigger an enormous immunological response that is also toxic.

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Answer:

Option A ( Smog ) .......

A clump of cells in someone's intestine is genetically different from cells elsewhere in his body. These intestine cells have a somatic mutation.

Any mutation that occurs in a cell other than a gamete, germ cell, or gametocyte is called a somatic mutation. This includes any change in the DNA sequence of a somatic cell of a multicellular organism with dedicated reproductive cells.

Somatic mutations are not typically passed on to offspring in the same way that germline mutations can. Plants, which don't have a distinct germline, and animals that can reproduce asexually via mechanisms like budding, like the cnidarians of the genus Hydra, blur this distinction.

Even though somatic mutations are not passed on to the next generation, they can be found in any cell that divides from the original somatic cell. Accumulated somatic mutations are the root cause of many forms of cancer.

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Answer:

Composting is an effective manure management tool that reduces volume, kills pathogens and weed seeds, and also improves soil health and fertility. However, soil and compost should be tested for nutrients

The non-poisonous viceroy butterfly gains protection by looking like the bad tasting monarch butterfly, which is a protective device known as Mimicry.

Mimicry is a biological phenomenon that occurs by superficial resemblance of two or more organisms that are not closely related taxonomically. The resemblance gives an advantage such as protection from predation upon one or both organisms by which the organism deceive the animate agents of natural selection.The predator interacts with the similar organisms and gets deceived by their similarity.

The discovery of Mimicry in butterflies was in the mid 19th century by Victorian naturalist H.W.Bates. Mimicry in butterflies are of two types- Batesian mimicry and Mullerian mimicry.

The Batesian mimicry is when a non-poisonous animal mimics the pattern or coloration of a poisonous or unpalatable animal without actually producing any toxins themselves.

The Mullerian mimicry is when two poisonous or unpalatable animals have the same coloration and patterns.

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Smoking cigarettes and being exposed to secondhand tobacco smoke are leading causes of premature death.

death that occurs earlier than the typical death age for a population. The average death age is around 75 years old. The biggest causes of early death in the US are smoking cigarettes and being around people who smoke. They can make people more vulnerable to developing cancer, heart disease, stroke, lung disease, and a host of other illnesses. Injuries are another reason for early mortality.

Ischemic heart disease, which accounts for 16% of all fatalities worldwide, is the world's leading cause of mortality. This disease has shown the highest increase in deaths since 2000, with an increase of more than 2 million deaths to 8.9 million deaths in 2019. The second and third most common killers, stroke and chronic obstructive pulmonary disease, respectively account for 11% and 6% of all fatalities.

Lower respiratory infections remained to be the most fatal communicable disease worldwide, ranking as the fourth most common cause of death. However, there have been fewer fatalities; in 2019, it claimed 2.6 million lives, 460 000 fewer than it did in 2000.

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The best description for an unintended environmental consequence of aquaculture fish-farm enclosures located in estuaries is: (D) Aquaculture enclosures can harbor parasites that can negatively affect wild populations that breed in estuaries.

Estuaries are the coastal water bodies where the freshwater from rivers and salt water from the oceans mix together. Estuaries are the partially covered water bodies that act as transition zones. Hence they form an example of ecotone.

Aquaculture is the farming, breeding and raising of the aquatic animals as well as plants. The process of aquaculture is inclined towards the commercial supply of seafood and other products.

The given question is incomplete, the complete question is:

Which of the following statements best describes an unintended environmental consequence of aquaculture fish-farm enclosures located in estuaries?

(A) Fish farms create waste that contaminates potential drinking-water resources for coastal communities.

(B) Aquaculture can decrease pressures on overexploited fisheries, increasing fish populations.

(C) Cultivated fish can escape and breed with wild populations, increasing the population size of wild fish in coastal waters.

(D) Aquaculture enclosures can harbor parasites that can negatively affect wild populations that breed in estuaries.

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Chlorophyll absorbs energy from blue and red light waves during photosynthesis while reflecting green light waves, giving the appearance of a green plant.

Chlorophyll, a light-absorbing pigment found in the thylakoid membranes of the chloroplast, is what gives plants their green hue. Chloroplasts, which are tiny organelles found inside plant cells, are there to store solar energy.  Despite the fact that there are numerous steps involved in photosynthesis, there are primarily two stages: light-dependent reactions and light-independent reactions. The light-dependent reaction, as its name implies, occurs inside the thylakoid membrane and necessitates a constant supply of sunshine. The light waves' energy is captured by the chlorophyll and transformed into chemical energy in the form of the molecules ATP and NADPH.

The Calvin Cycle's light-independent stage, which takes place in the stroma, or region between the chloroplast and thylakoid membranes, does not require light, hence the name light-independent reaction. In this phase, carbon dioxide is converted into carbohydrates like glucose using energy from the ATP and NADPH molecules. However, not all types of photosynthesis are made equal. C3 photosynthesis and C4 photosynthesis are two of the various forms of photosynthesis. The majority of plants engage in C3 photosynthesis. It entails the Calvin Cycle producing 3-phosphoglyceric acid, a three-carbon molecule that later transforms into glucose.

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Answer:

b i beleive

Explanation:

Answer:

This is all I've done because I'm not 100% sure about the other part

Answer:

parasitic

Explanation:

when species 2 population is higher, species 1 is lower, meaning that species 2 harms species 1.

Answer:

Parasitic relationship

Explanation:

The well being on one specie affects the other adversely.

Answer:

Question c.

H^C H^S - 2/4 or 1/2 (simplified) - 50%

H^S H^S - 2/4 or 1/2 (simplified) - 50%

ok so, lighting, amount of water, type of soil, fertilizer, bugs, pesticides, water contamination, other chemicals. even pets, cats- lol hope that helped!

What type of reaction is seen when hydrogen peroxide is added to a microbial colony of catalase-producing bacteria is the rapid formation of gas bubbles.

Catalase is an enzyme that catalyzes the reaction in which hydrogen peroxide is broken down into water and oxygen This enzyme is able to oxidize 1 molecule of hydrogen peroxide to oxygen. Then simultaneously it can also reduce the second hydrogen peroxide molecule to water

Hydrogen peroxide is one of the breakdown products of every cell that uses oxygen as an energy source in metabolic processes. When hydrogen peroxide is added to microbial colonies it inhibits the growth of one bacterial species by another. Because this compound is added to catalase-producing bacteria, the catalase enzyme neutralizes the bactericidal effect by breaking the compound into water and oxygen or gas bubbles.

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Answer:

magnetic force because it uses force and force has mass

The same categories of services and goods that would normally be deductible as medical costs on your yearly income tax return make up qualified medical expenses. Medicare also covers certain Qualified Medical Expenses, such as doctor visits, lab tests, and hospital stays.

Qualified Medical expenses include all costs required for the diagnosis, mitigation, or treatment of disease or injury. Medical expenses include things like health and dental insurance premiums, doctor and hospital visits, co-pays, prescription and over-the-counter medications, glasses and contacts, crutches, and wheelchairs, to name a few.

Taxpayers may use the Section 80DDB deduction for the cost of treating themselves or dependents for a few specific ailments. Section 80DDB allows residents of India who are individuals or HUFs to deduct certain expenses. Only those with specified ailments or their dependents are eligible to claim this deduction.

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Answer:

the 2nd one i believe

Explanation:

hope this helps :)

Answer:

Number 2

Explanation:

Answer:

Glycogen

Explanation:

Hope this helps