A student constructs a Venn diagram to compare the organelles in plant and animal cells. One circle is labeled animal only, the other circle is labeled plant only, and the overlapping section is labeled both. Which organelle should be listed under “both” in the diagram

Answer:

Explanation:

A square mile of tropical rainforest contains 36 mammal species. A square mile of tundra contains 4 mammal species.

What characteristic of ecosystems is being described above?

producers

abiotic factors

succession

biodiversity

2. Which of the following is most likely to decrease biodiversity?

Protecting more land from future housing developments

Reintroducing natural predators to an area

Clearing a forest to raise livestock for a nearby town

Adding native plants to a suburban garden

3. In the Kelp forest ecosystem, sea urchins eat kelp, and sea otters eat sea urchins.

What is the role of sea urchins in this ecosystem?

primary consumers

secondary consumers

primary producers

producers

4. What is the correct order of energy flow in an ecosystem?

sun → grass → rabbit

sun → rabbit → grass

fox → rabbit → grass

sun → fox → rabbit

Answer:

December 21st

Explanation:

Midsummers' Day :)

Answer:

The 21st of December

Explanation:

I know this cause we learned about it in class

Answer:

B) A worm that lives inside a bear.

Explanation:

A parasite is a living organism that lives inside or outside of another organism called a HOST in order to obtain nourishment from such organism. A parasite that lives inside its host is called ENDOPARASITE while a parasite that lives outside its host is called ECTOPARASITE.

In this question, a worm that lives inside a bear is a PARASITE because it is living inside the bear, which is the host in order to obtain nourishments. Note that, the answer is not option D because the bear is a HOST not a parasite.

The 5 chromosome mutations are given as , duplication,  deletions, insertions , inversions, translocation.

1. Duplication: The multiple copies of a chromosome that occur during the duplication process.

2. Deletions - When a nucleotide is removed, the mRNA codons change (the nitrogen bases of a DNA). This will change the makeup of amino acids.

3. Insertions – An insertion is the addition of a new nucleotide.

4. Chromosomal inversions happen when a chromosome fragment breaks off and reattaches in the opposite direction to the same spot.

5. Translocation: This is the splitting in half and moving of two chromosomes.

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Answer:

Explanation:

TRY TO USE THIS

Answer:

Cell C is the white blood cell

white blood cells need a lot of Mitochondria because since they hunt down pathogens in your bloodstream, they will need a lot of energy.

C goes into the last blank

Explanation:

The process 2 is necessary in the sexual reproduction. This process is known as fertilization. This involves the fusion of both the gametes to result in the formation of a diploid zygote.

Fertilization can be defined as the union or fusion of two different gametes which include male and female gametes. During the process of fertilization, haploid sperm and egg cells fuse to form a diploid zygote for the initiation of the prenatal development. In mammals, the process of fertilization involves multiple ordered steps, such as the acrosome reaction, zona pellucida penetration, sperm and egg attachment, and the membrane fusion.

In case of normal reproduction, fertilization combines two haploid meiotic nuclei or gametes of the sperm and egg cells, and also ensures a high efficiency of the normal development and the genetic diversity in the progeny produced.

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pollen grains accurately summarizes a stage of the pine life cycle in which the apollen tube slowly helps in digestion its way through into the triploid endosperm.

Pollen grains are created by an anther and contain male gametes. In a procedure termed as fertilization, the male gamete and female gamete combine to create a zygote, which eventually develops into a new seed.

So the pollen is a male gametophyte that is either immature or partially formed. Similar to this, a unicellular microspore generates male gametes and undergoes mitotic cell division to become a mature microgametophyte. As a result, the pollen grains contain immature and made significant contributions male gametophytes.

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Landslides are the displacement of material from higher to lower regions due to the action of different factors. A) a landslide caused the disappearance of the beach and the creation of the 100-ft drop into Lake Michigan.

A landslide can be defined as a massive movement of materials that include rocks, soil, plants, debris, and other elements composing the ground.

Mass of material moves from high altitude to low altitude due to the action of gravity and the influence of other factors as humidity excess.

These movements occur because the material is exposed to external forces (gravity) that supersede the strength of these materials producing slope breaks.

Other factors such as rains, increase in water level, snowmelt, erosion, earthquakes, human activities, and others influence the landslide occurrence.

The correct option is A) a landslide caused the disappearance of the beach and the creation of the 100-ft drop into Lake Michigan.

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Snail is considered as an animal as insects strictly belong to the pylum Arthropoda.

Snails are the animals of the phylum Mollusca. They belong to the class Gastropoda and are recognized by the presence of the spiral shaped shell on the upper side of the body. Snails can be present on land or even in water. It moves y the help of a single muscle like foot.

Arthropoda is the largest phylum of the Animal kingdom that possesses the invertebrate organisms. The characteristic features of the organisms of this phylum is presence of exoskeleton, segments in the body and paired appendages. The organisms of Arthropoda are referred to as insects.

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Two requirements must be satisfied for the lac operon to express at high levels: There must be no glucose.

Because the body doesn't produce enough insulin, hypoglycemia (high blood glucose) occurs because there is too much sugar inside the blood. Vomiting, increased appetite and thirst, a rapid heartbeat, problems with vision, and other symptoms are signs of hyperglycemia, a diabetic symptom. Serious health issues might result from untreated hyperglycemia.

Sugar levels around 140 ppm (7.8 mold/L) are considered normal. After two hours, a result of greater above 200 mg/dL (11.1 meq) indicates diabetes. You have prediabetes if your blood sugar level is between 140 or 199 mg/dL (7.8 molar ratio and 11.0 mmol/L).

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Answer:

a. 25 N ---> Direction: Right

b. 40 N ---> Direction: Right

c. 10 N --->  Direction: Right

d. 90 N <--- Direction: Left

e. 40 N down Direction: Down

Hope this helps!

Because sunlight energy is required for the conversion of carbon dioxide and water into glucose and oxygen during photosynthesis, the rule of conservation of energy is related to this process.

The term "conservation" refers to a physical quantity or parameter's entire value (such as energy, mass, linear or angular momentum).

Therefore, every new glucose molecule contains a small amount of the energy the sun provides. In the presence of sunshine, a series of chemical reactions called photosynthesis transforms carbon dioxide and water into glucose and oxygen.

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Answer:

See the answer below

Explanation:

The impacts of wiping out the mice can be classified into two - positive or negative.

The positive impact resulting from wiping out the mice would be felt in terms of reduced destruction to properties, transmission of pathogens, and constituting a nuisance to the environment.

The negative impact, however, will largely be felt on the existing food chains in the community. Organisms that serve as food for the mice will experience a boost in their population as a result of reduced predation while organisms whose source of food depends on the mice will see a decline in their own population as a result of inadequate food. This might create a chain reaction that may lead to a major disruption to the food chains and the overall functioning of the ecosystem.

Answer: True

Explanation:

It makes sense, I took a deep breath of fresh air. There's nothing.

By the way, you put at instead of "a". "I took at deep". It's supposed to be a instead of at

Answer:

The nervous system takes in information through our senses, processes the information and triggers reactions, such as making your muscles move or causing you to feel pain. For example, if you touch a hot plate, you reflexively pull back your hand and your nerves simultaneously send pain signals to your brain.

Explanation:

Answer:

I found that on the web hope it helps

Explanation:

"The central nervous system includes the brain and spinal cord, while the peripheral nervous system includes all of the nerves that branch out from the brain and spinal cord and extend to other parts of the body including muscles and organs. Each part of the system plays a vital role in how information is communicated throughout the body."

Answer:

B.) They have the same color and texture.

Answer:

A chemical reaction happens when one or more chemicals are changed into one or more other chemicals. Examples: iron and oxygen combining to make rust. vinegar and baking soda combining to make sodium acetate, carbon dioxide and water.

Explanation:

Hope this helps

'Younger strata are usually nearer the surface' is the true statement.

What do you mean by Strata?

Strata is a term that refers to the various layers of a rock formation. The term is used in a variety of fields, including geology, archaeology, and petrology. It describes the various layers of sedimentary rock that have been formed over time, as well as the different types of sedimentary rock that can be found in a strata.

This statement is true because younger strata (layers of rock or sediment) are generally deposited more recently and are therefore closer to the surface than older strata. This is because over time, as the Earth's surface erodes and is reshaped by various natural forces, the most recently deposited layers tend to be more exposed.

Hence, Option B is correct.

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Correct form of question:

Which of these statements is true?

a. The best fossils are formed during a cataclysmic event.

b. Younger strata are usually nearer the surface.

c. Rock strata are formed by volcanic activity.

d. Water’s ability to erode rock helps to explain how fossils are formed.

e. More recent fossils are in the deepest.

Some reptiles are more closely related to birds than to other reptiles. The several Hawaiian Honeycreeper species are all descended from a single type of North American bird.

They now have various beaks, consume various meals, sing various tunes, and reside on various islands.

Many years of research have revealed that birds' predecessors were bird-like dinosaurs (visit the Dinobuzz page for more on this). Despite the fact that birds resemble other living reptiles, they are most closely linked to alligators and crocodiles and indisputably belong in the reptile group.

The strong evidence comes not only from fossilized bones and skeletal similarities, but also from fossilized soft tissue, particularly feathers. Many dinosaurs possessed distinguishing bird-like feathers rather than merely a body covering.

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ADH and testosterone increase the risk of heart and volume as the water is absorbed into the bloodstream into to the capillaries, bringing the blood salt concentration back to normal.

An enzyme known as renin is released by kidney cells in response to low blood pressure. The kidneys reabsorb salt due to renin. Water retention is a constant side effect of sodium reabsorption. Blood pressure and volume are restored as a result.

A deficiency of renin - angiotensin system (ADH), also known as prolactin, usually prevents hydration, or the kidneys and liver inability to react to ADH, are the two main causes of diabetes insipidus. The kidneys may hold onto the body's fluids thanks to ADH. The steroid.

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The misplaced or dangling modifier in this sentence is "The future of coral reefs concerns many marine biologists."

A phrase or clause that is not obviously or logically related to the word or words it modifies. Usually at the start of a sentence, fixed by rewriting it. A misplaced modifier is a word, phrase, or clause that is separated incorrectly from the word it modifies or describes.

A dangling modifier is usually attached to the incorrect subject or has no subject to modify at all. Dangling modifiers are generally corrected by introducing the subject immediately after the modifier or including it in the modifying phrase, in this case, "The future of coral reefs concerns many marine biologists" is placed after "as a source of diverse fish species."

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Answer:

between 1 and 50 million times

Explanation:

A light microscope can magnify things up to 2000x, but an electron microscope can magnify between 1 and 50 million times depending on which type you use! To see the results, look at the image below.

At the point when an individual glance at a brilliant light, minuscule muscles in the eye contract so less light can enter the eye. These are in all probability the attributes of this muscle nonstriated, compulsory, and connected to the eyeball.

They are smooth muscles (nonstriated) that are not controlled intentionally. You don't get those minuscule muscles on your own will when you check a brilliant light out. It is additionally connected to the eyeball since it agrees to guarantee the most un-conceivable measure of light gets to your eye.

A few capabilities are automatically performed, for example, breathing, processing, heart pulsating, eye reflexes, and so on, however, a few compulsory activities have intentional control partially - models are breathing, salivation, deglutition (gulping), poop, micturition (pee) and others.

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Answer:

Commensalism

Explanation:

A commensalistic relationship is one in which one organism benefits and the other organism is unaffected, meaning it is neither harmed nor benefitted. The classic example of commensalism is that of sharks and remoras. Remoras are scavenging fish that cruise around with sharks.

hope this helped:)

Answer:

RNA polymerase II

Explanation:

A homozygous recessive (AA) kid has a 25% chance of being unaffected, a heterozygous (Aa) carrier child has a 50% probability, and a homozygous homozygous (AA) child has a 25% chance.

A genetic disorder or characteristic can be transferred from parent to kid via autosomal dominant inheritance. The genetic disease can be brought on by one copy of a mutant (changed) gene from one parent. A mutant gene-carrying parent has a 50% chance of passing it on to their kids.

Four of the 16 potential gamete pairings from a SsYy x SsYy cross are viable. When the genes (also known as alleles) that regulate how a feature develops are paired in exactly the same ways, the trait is said to be homozygous. Being heterozygous for a trait means having several alleles for that trait. A homozygous characteristic will always show itself in the same way.

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The proteases are activated by the pH that changes in the stomach and small intestine.

Proteases are the proteins that have the ability to cleave the peptide bonds present in the proteins. The proteases are very important part of the digestive system as they are major forces that make protein digestible and amenable to assimilation. The protease are secreted with the digestive enzymes the are produced in the stomach and small intestine predominantly. The proteases are produced in the inactive form so that they cannot digest the cell that are producing them. In order to become active they need special condition such as pH for their activation.

So, pH is the major activating condition for the proteases, in addition to it there are special protein that act on inactivated protease to make them active.

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The offspring of an Angora and Rex rabbit hybrid have fur that is significantly longer than that of a Rex rabbit. There is a 0.25 percent probability that the child will have long fur based on the genotype of the parents.

The length of the offspring's' fur indicates an imperfect dominant inheritance pattern. Incomplete dominance is an inheritance pattern in which the phenotype of the offspring closely matches that of one parent more than the other, but is intermediate between the phenotypes of the parents.

In this instance, the progeny have fur length that is roughly equivalent to that of an Angora rabbit but slightly longer than that of a Rex rabbit. This is an illustration of partial dominance.

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Answer:

Temperature: Raising temperature generally speeds up a reaction, and lowering temperature slows down a reaction. However, extreme high temperatures can cause an enzyme to lose its shape (denature) and stop working. pH: Each enzyme has an optimum pH range. Changing the pH outside of this range will slow enzyme activity.