Define biotic and abiotic.

A. living and nonliving

B. chemical and physical

C. unicellular and multicellular

D. predator and prey

Even when a muscle is at rest, it still has some degree of tension, This small amount of tension produces is known as muscle tone.

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When a planet is in a star's habitable zone It has the right temperature to have liquid water.

The correct option is C.

The orbital region around a star known as the habitable zone is where an Earth-like planet would be able to support life and have liquid water on its surface. Since liquid water is necessary for all life on Earth, it is assumed that alien life would also require it for defining a habitable zone.

For water to continue to be a liquid, the distance at which Earth orbits the Sun is ideal. The habitable zone, sometimes known as the Goldilocks zone, is defined as being this far from the Sun. Rocky exoplanets located in their stars' habitable zones are better candidates for detection of liquid water on their surfaces.

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We would expect that directional selection increases bill size towards a new optimum if a population of galápagos finches.

According to the theory of natural selection, those organisms which can adapt to changing conditions of the environment are able to survive and pass on their characteristics to their offspring.

If the main seed size changes and larger seeds replace them, then this would mean that larger bill sizes will be needed by the birds to survive in this environment. Those organisms that will be able to adapt to these changes will be able to survive and by direction selection, bill size would increase to a new optimum.

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Treppe refers to the graduated increase in contractions caused by the exposure of the muscle to several identical stimuli. Option A is correct. A progressive increase in the force generated with repetitive stimulation

When several identical stimuli are applied to a resting muscle, they generate a series of contractions that increase gradually.

Treppe is the gradual increase in muscle contraction as it is constantly exited by these repeated stimuli.

Treppe results in more forceful contractions.

Option A is correct. A progressive increase in the force generated with repetitive stimulation

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Answer:

It began to snow, but his body was so bruised and numb that snow and cold were no matching adversaries. Blood had dried around his throat, making the job easier

Explanation:

use this link and copy it then go to a paraphrasing tool

Answer:C. The cell will shrink as water moves out of the cell to try to balance the solute concentrations

Explanation:

A cell placed into a hypertonic solution will shrivel and die by a process known as plasmolysis.

If there is an X number of water molecules inside and outside the cell, the the water will not move.

Because the cell is placed in the isotonic solution.

Isotonic Solution- Solutions that contain the same concentration of water and solutes as the cell cytoplasm are called isotonic solutions. Cells placed in an isotonic solution will neither shrink nor swell since there is no net gain or loss of water.

Cell- As in the case of bacteria and protozoans, a single cell can be a whole organism in and of itself. In multicellular creatures like higher plants and animals, specialized cell groups are arranged into tissues and organs. Prokaryotic cells & eukaryotic cells are two different kinds of cells.

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Every cell in the body divides through a procedure known mitosis to produce new cells. Due to this, the body grows and changes. The primary objective of mitosis is to replace worn-out cells.

A cell cycle is a sequence of events that occurs in tandem with a cell's growth and division. The majority of a cell's time occurs in the phase known as interphase, during which it matures, copies its chromosome, and prepares to divide. The cell then completes mitosis, exits interphase, and splits to completion.

Genetic variation can only be created by cell division. Cell division is an important process in which a unicellular creature transforms into a new organism in unicellular organisms.

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The complete question is -

Where in your body do you think cell division is occurring ? What led you to this conclusion?

This is known as transcription. During the transcription process, mRNA is created from a DNA template.

Messenger RNA (mRNA) is a single-stranded RNA that plays a role in protein synthesis. mRNA is created from a DNA template during the transcription process. mRNA transports protein information from a cell's nucleus to the cytoplasm (watery interior), where protein-making machinery reads the mRNA sequence and translates each three-base codon into the corresponding amino acid in a growing protein chain.

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Irregular periods or no periods at all are the features of polycystic ovary syndrome (pcos) in women with functional hypothalamic amenorrhea

Since functional hypothalamic amenorrhea (FHA) patients have been found to have a high prevalence of polycystic ovary syndrome (PCOS) symptoms, we sought to find out what happens to these symptoms when menstrual function returns in FHA patients. Study design: prospective cohort. The study included 28 FHA patients and 30 ovulatory controls who were age-matched. The study included 28 FHA patients and 30 ovulatory controls who were age-matched. Transvaginal ultrasound was used to evaluate body mass index, serum estradiol, LH, FSH, testosterone, DHEAS, and anti-Mullerian hormone (AMH). RÉSULTATS At baseline, 12 of the 28 women (43%) had elevated AMH (>4.7 ng/mL), greater testosterone, and larger ovaries than the other 16 women with normal AMH.

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Carbohydrates are biomolecules composed of monosaccharides as subunits linked by glycosidic bonds, which are fundamental to providing energy to the organism.

Carbohydrates play fundamental roles mainly associated with the storage and use of energy. For example, simple carbohydrates such as glucose provide energy to be used in a fast manner, while complex carbohydrates play a role as storage of energy, which is stored in the chemical bonds.

Therefore, with this data, we can see that carbohydrates have fundamental roles associated with the storage of energy in order to be used when it is required.

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The statement that is true about the food web in the picture is that the deer is a primary consumer. That is option C.

A food web is defined as the representation of various food chains that are associated with each other at various levels.

The food web is different from a food chain because a primary consumer can have more that one secondary consumer.

From the given picture, the squirrel is a primary consumer which is being eaten by two secondary consumers such as the vulture and the tiger.

Also from the picture, the deer is a primary consumer because it feeds directly on primary producers such as the scrubs.

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Answer: biotic

Explanation: :)

The true statement is that archaea is more closely related to bacteria than to eukaryotes (option B).

Domain is the highest rank in the classification of organisms, above kingdom; in the three-domain system.

The domains of living organisms include one of the taxa;

Bacteria and Archaea are both prokaryotic meaning that they do not possess membrane-bound nucleus or organelles.

On the other hand, eukaryotes have a membrane-bound nucleus and organelles such as chloroplast, mitochondria etc.

Therefore, it can be said that archae and bacteria are similar being prokaryotic.

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The locations for three genes have been added to this cartoon. For clarity, the locations have only been noted on one chromatid. The lowest frequency of crossovers would occur between genes  a and b.

A cell generates a fresh copy of all of its DNA as it gets ready to divide, resulting in two copies of each chromosome in the cell. "Sister chromatids" refer to the two copies of the cell's original chromosome.

The two chromatids are torn apart during anaphase of cell division, and the chromatids are distributed among the cytoplasm of each daughter cell.

A vast quantity of DNA that is arranged physically into a single structure is called a "chromosome." Because of this, the "sister chromatids" are regarded as being separate chromosomes even though they are joined together. Each chromatid is thought to be its own chromosome once they are divided during anaphase.

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Answer:

codominance :)

Explanation:

hope this helps

As a consequence of photosynthesis and diffusion from the atmosphere, oxygen enters saltwater through the oxidation of metal ions.

As a consequence of photosynthesis and diffusion from the atmosphere through animal respiration, decomposition of plant and animal remnants results.

Answer options create carbonic acid as carbon dioxide reaches the ocean. Animals need this compound to breathe by forming chemical connections with water molecules to raise the ocean's salinity. is created during photosynthesis.

Seawater absorbs carbon dioxide, which is present naturally in the atmosphere. Carbonic acid (H2CO3) is created when water and carbon dioxide mix. This weak acid dissociates into hydrogen ions (H+) and bicarbonate ions (HCO3-).

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Answer:

no please

Explanation:

prokaryotic cells do not have and nuclear bound membrane but have nuclear particles like 70s ribosomes

Capillary sphincters are circular muscular walls that regulate blood flow through the capillaries.

Specialized cells known as muscle fibers make up the muscular system. Contractibility serves as their primary purpose. Movement is made possible by muscles that are affixed to bones, internal organs, or blood vessels. Muscle contraction produces the majority of body movement. The movement of cilia, the flagellum on sperm cells, and some white blood cells that move in an amoeboid manner are examples of exceptions to this rule. Simple movements like walking and running are produced by the coordinated action of joints, bones, and skeletal muscles. Skeletal muscles can also be seen moving in more subtle ways, which results in different face expressions, eye movements, and breathing patterns. They help with digestion, regulate respiration and heartbeat, and permit mobility. When you work out and eat well, your muscles flourish just like the rest of your body.

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When species occupy comparable ecological niches and respond similarly to similar selection forces, this is known as convergence in evolution. Analogous structures are traits that result from convergent evolution.

Gene variants, commonly referred to as mutations, and a natural process in which genetic information is reorganised as a cell prepares to divide can both result in genetic differences (known as genetic recombination). Genetic changes that affect gene activity or protein function can give an organism distinct features.

Some organisms can survive in their environment more successfully than others due to genetic variety in a group of species. Even among a small population of organisms, there can be dramatic differences in how well-suited they are to a given habitat.

The majority of mutations within an organism neither negatively nor favourably affect it.

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The fat-soluble vitamins A, D, E, and K are stored for a very long time in the body and, when taken in excess, are more dangerous than water-soluble vitamins. A typical, balanced diet won't make someone hazardous if they are otherwise healthy.

Since fat-soluble vitamins may build up in the body, they are more prone than water-soluble vitamins to cause toxicity.

Vitamin A, D, or E overdoses are not very common but have the potential to have negative side effects

Hence, vitamins A,D,E and K are most likely to produce toxic affects when consumed in excess.

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Answer:

By keeping habitat destruction a minimum

Explanation:

We can do this by reducing the poachers and animal habitat destruction throughout Earth.

Vital signs of geothermal activity include volcanoes, hot springs and others

When water bodies come in contact with a hot rock, it manifest clearly as geothermal energy as this geothermal activity produce energy from overheated water which is very dangerous and life threatening.

Geothermal activities simply refers to those activities which produces renewable energy which is and always be stored in rocks and water in the center of the earth.

So therefore, when certain signs such as volcanoes or hot springs manifest, it symbolize that a geothermal energy is at work in any given caldera.

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Animal cells have centrosomes (or a pair of centrioles), and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts, plasmodesmata, and plastids used for storage, and a large central vacuole, whereas animal cells do not.

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During the reign of terror, the Law of Suspects was enacted, allowing police to arrest anyone who did not consistently support the revolution, and the king's supporters defeated Robespierre's rebellion.

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The activation of additional motor units in order to produce a contraction with greater tension is known as motor unit recruitment.

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