The diagram below shows some relationships between ecosystems near the
Sonoran and Chihuahuan Deserts. What kind of ecosystem is the thornscrub?
Temperate
Forest
Madrean
Woodland
(sporadically
Interior Chaparral)
Semidesert Grassland
Thornscrub
Desert
A. Badland
B. Shrubland
C. Wetland
D. Grassland
9000 feet
8000 feet
7000 feet
-6000 feet
-5000 feet
4000 feet
3000 feet
-2000 feet
1000 feet

Answer:

DNA and protein

Explanation:

two biomolecules are most often

analyzed to establish homologies between

different species are DNA and proteins

Answer:

Its B

Explanation:

Its not going to EVOLVE

The ecology is absolutely necessary for biodiversity. Ecosystem stability also rises as a result of increased biodiversity.

The term "biodiversity" is used to describe the variety of species that can be found on earth. It can include things like plants, animals, bacteria, fungi, and microbes. The diversity of life on earth is immense; while many species are still waiting to be discovered, many more have already gone extinct. The ecosystem is composed of every single living thing. It also covers their surrounding environment and how people interact with them.

The ecosystem depends heavily on the various species. Therefore, the ecosystem's ideal balance is impacted when a single species goes extinct or is lost. Plants use the energy from the sun as part of the ecosystem's cycle.

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Answer:

Angiosperm. n., plural: angiosperms. [ˈændʒɪəˌspɜːm] A flowering, fruit-bearing plant or tree known for having ovules (and therefore seeds) develop within an enclosed ovary.

Answer: B. Enclosed seed

Explanation:

Species in this class have paired fins, hard scales, a two-chambered heart, and a pair of nostrils. Most species have 5-7 gill slits on each side of their body.

Chondrichthyes are cartilaginous fishes and are mostly marine with basic fish attributes.

They are a class of fishes known as cartilaginous fishes. They possess all the characteristics of fishes in addition to features such as:

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Answer:

C. isotonic

Two solutions exerting the same osmotic pressure over a semipermeable barrier are said to be in an isotonic solution. Without affecting the concentration of solutes on either side, this condition enables unrestricted passage of water over the membrane.  

The tendency of a fluid, usually water, to pass through a semipermeable membrane into a solution where the solvent concentration is higher, thus equalizing the concentrations of materials on either side of the membrane.

Answer:

Cellular respiration is a process that all living things use to convert glucose into energy. Autotrophs (like plants) produce glucose during photosynthesis. Heterotrophs (like humans) ingest other living things to obtain glucose. While the process can seem complex, this page takes you through the key elements of each part of cellular respiration.

Explanation:

hope this helps :)

No muscle contraction will be observed.

The concentration of calcium ions in the muscle cells help in contraction and relaxation of muscles fibers.

Release of calcium ions initiate muscle contraction.

Therefore, there will be no contraction of muscle if calcium ions are not transported out from the sarcoplasm.

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Answer:

rainfall

Explanation:

there is a high rate of rainfall in rainforest, therefore amount of rain fall being abiotic factor can affect rain forest

According to the research, in the Kreb Cycle two ATP molecules are generated.

It is the set of reactions that generates most of the electron carriers (energy) that will be connected in the electron transport chain.

Two molecules of adenosine triphosphate (ATP) are formed from one glucose molecule (two turns of the cycle).

Therefore, we can conclude that according to the research, in the Kreb Cycle two ATP molecules are generated.

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Write a new hypothesis and conduct new experiments to explore the matter. Thus, option "B" is correct.

Hypothesis

The formulation of hypotheses is one of the key steps in the scientific method.

Hypotheses are usually tested using experiments and are usually accepted or rejected depending on the outcome of the experiments.

If a hypothesis is rejected, it does not mean that the entire subject is abandoned. Rather, new hypotheses may be formed and experiments conducted to further explore the subject.

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Answer:

the nucleolus

Explanation:

i gotchu

The first three strata of the epidermis consists of living keratinocytes and the most superficial strata contain dead keratinocytes.

The cutin with the wax provides protection against fungi, bacteria and some insects. The main function of the epidermis is the coating, preventing the action of pathogenic agents, reducing injury by mechanical shocks and preventing water loss.

As the epidermis is the most superficial tissue that the body has, in this part there are living and dead cells at the same time.

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When a phase in the cell cycle does something incorrectly, mutation occur which leads to cell death or cancer.

When a phase in the cell cycle does something incorrectly, then they cannot move to opposite poles in the later phases of mitosis, which result  the cell with extra chromosomes and a daughter cell with missing chromosomes. These mutations can lead cell death, disease or cancer.

So we can conclude that When a phase in the cell cycle does something incorrectly, mutation occur which leads to cell death or cancer.

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Large sources of fossil fuels are found in cold regions shows evidence of climate change.

This map shows that large sources of fossil fuels are found in cold regions because fossil fuels are extracted from the living organisms body so in cold regions once there was a large number of organisms lived there. When they died the fossil fuel sources are formed.

So we can conclude that large sources of fossil fuels are found in cold regions shows evidence of climate change.

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The best explanation for this observation is that the proteins from parts of the cell membrane that were not bleached with the laser diffuse into regions of the membrane that were bleached.

It should be noted that observation means the active acquisition of information from a source.

In this case, the best explanation for this observation is that the proteins from parts of the cell membrane that were not bleached with the laser diffuse into regions of the membrane that were bleached.

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Answer: In the light-dependent reactions, energy from sunlight is absorbed by chlorophyll and that energy is converted into stored chemical energy. In light-independent reactions, the chemical energy harvested during the light-dependent reactions drives the assembly of sugar molecules from carbon dioxide.

Explanation:

The structure that seals the space between two cells and makes it impermeable is; Occluding or Tight Junction

The correct answer to the question is called Occluding junctions or tight junctions. This is because Occluding junctions in cell structures are junctions that create a watertight seal that is like an impermeable or semipermeable barrier in between adjacent cells to prevent the escape of water or other liquids.

Thus, the structure is called an Occluding junction or tight junction.

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Identify the hormone represented by each letter, in this case, the letter A represents the thyroid glands and letter B represents the parathyroid gland.

The thyroid is a butterfly-shaped gland that is located in the anterior part of the neck, hugging the windpipe. The hormones produced by it  act on our body and metabolism from our fetal formation to senility.

The parathyroids are four glands located in the neck, behind the thyroid, whose function is to control the levels of calcium in the blood through the production of parathyroid hormone (PTH).

These two organs have essential functions for the human body responsible for metabolism.

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NADH and FADH2 cycle is responsible for the production of small amount of energy in the form of ATP.

FADH2 and NADH are created through reduction-oxidation reactions in the Krebs cycle. This cycle produces small amounts of energy in the form of adenosine triphosphate (ATP), and also responsible for the production of compounds i.e. FADH2 and NADH. NADH produces 3 ATP whereas FADH2 produces 2 ATP molecules

So we can conclude that NADH and FADH2 cycle is responsible for the production of small amount of energy in the form of ATP.

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Answer:

The ratio of cell volume to surface area determines the efficiency of nutrient exchange.

Explanation:

George's doctor will need to culture the isolated S. aureus to determine if the isolated bacterium is the one responsible for the infection.

Robert Koch was a famous microbiologist that made some postulates as follows:

According to this question, S. aureus has been isolated from George’s infected wound.

This means that in accordance with Koch's postulates, George's doctor will need to culture the isolated S. aureus to determine if the isolated bacterium is the one responsible for the infection.

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The part of the maintenance cycle the linux administrators spend the most time is monitoring system.

A system monitor is a hardware or software component used to monitor system resources and performance in a computer system.

This computer hardware can be used by administrators to monitor system resources and performance in a computer system.

Thus, the part of the maintenance cycle the linux administrators spend the most time is monitoring system.

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Everyday uses of exothermic reactions include self-heating cans and hand warmers. When energy is taken in from the surroundings, this is called an endothermic reaction and the temperature of the surroundings decreases.

D. organ systems help maintain homeostasis in the body.

Homeostasis is the process by which the body maintains a stable internal environment, despite changes in the external environment. This involves the coordination of various systems and processes within the body, including the circulatory, respiratory, digestive, and nervous systems.

These organ systems work together to maintain homeostasis by regulating various functions, such as maintaining a consistent body temperature, pH balance, and fluid balance.

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The reason why socialist governments often turn authoritarian are:

Socialist governments tend to have too much power vested in the Executive in order to properly plan the economy. As a result, they often get corrupted because their power is inhibited.

When this corruption leads to inefficiency, authoritarianism is introduced to ensure that the citizens cannot overthrow the government which wants to keep power.

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Options:

A) Dinosaurs killed all other elephant species.

B) Asian and African elephants killed off other species of elephants.

C) Asian and African elephants adapted well to their environments.

Asian and African elephants adapted well to their environments. Thus, the correct option is C.

Environment of Antarctica is not suitable for elephants why?

The world's coldest location is Antarctica. Additionally, it is the windiest and driest. Almost the entire year, the continent is covered in snow. Due to the extremely harsh temperatures and lack of healthy soil, Antarctica is therefore unsuitable for raising elephants and cultivating crops. Elephants eat grass, while the entire continent of Antarctica is covered in snow. In this database, there are currently 25 (8,17) living elephants located in Australia.

Although they can be found in a variety of environments, including deserts, swamps, and highlands in tropical and subtropical areas of Africa and Asia, they are most frequently found in savannas, grasslands, and woodlands.

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Answer:

D. Specialist Species

In the setting of specialized habitats or unique situations, specialized species exist. When those conditions and surroundings change, they must adapt or go extinct, thus they must survive while they still exist.

When compared to generalists, they have the benefit of efficiency, which increases the likelihood of survival and, hence, reproduction within certain settings or situations. The generalists, on the other hand, have the benefit of being able to survive in a larger variety of circumstances and have a higher probability of doing so.

Cactuses, which are plants adapted to dry environments, are an example of specialization. More generalist plant species would typically outcompete cacti in most habitats on Earth, but very few of such species could endure the harsh conditions of a desert.

Extreme environmental conditions, competition for limited resources, and "evolutionary arms races" are some of the pressures that cause specialization. Cheetahs sprint quickly both because their prey moves quickly and because quicker cheetahs will be more effective hunters and more likely to procreate. The advantage of specialization is clear when seen from the standpoint of catching the next meal on a daily basis.

My key argument is that specialization's benefits must always be viewed in the context of the environment that generated the selective pressure that resulted in specialization. Although experts are specialists because they must be, their specializations put them in danger.