Answer: option B.
The nervous system signals the endocrine system to release
hormones in response to a stimulus.
Explanation:
The nervous system respond to stimulus through action potentials and neurotransmitters and they signals the endocrine system to secrete hormones.
The endocrine system is responsible for secreting hormones into the blood which is transported to the target cells. These hormones are responsible for metabolism , growth and response to stress. The hormones secreted provide feedback to the brain so as to affect neural processing.
Outline the phases of the menstrual cycle, or the period in woman. please this should be at least 150 words. I will mark as BRIANILIST, please don't copy from Google, thank you.
Answer:
Menstruation, the follicular process, the ovulation and the luteal period are the four stages of the menstrual cycle. Specific menstrual complications include extreme or painful spells and a premenstrual syndrome (PMS). Knowing that a woman is most likely to conceive in the menstrual cycle can increase the chance of pregnancy. in simpler words, Bleeding phase, Pre-fertile phase, Fertile phase, Releasing an egg (ovulation), Post-fertile phase.Estrogen rates increase and fall periodically during the menstrual cycle. Estrogen rates increase during the mid-follicular process, then drop precipitously after ovulation. This is followed by a secondary increase in estrogen levels during the mid-UT phase, with a decrease at the end of the menstrual cycle.Elevated levels of estrogen are a risk factor for breast and ovarian cancer. High levels of estrogen can increase your risk of blood clots and stroke. Estrogen superiority can also improve the risk of developing a thyroid disorder. This may contribute to signs such as exhaustion and increases in weight.
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Do you think our homes and schools
should be powered by renewable energy?
Answer:
No. Because then every 2 years or so we would have to replace everything because the resource is limited
Explanation:
I would say yes. As non renewable energy will come for a long time but once used up u cant get it again because they are over. but renewable energy even if it takes time to renew it will never get over. so in that way will be able to save non renewable energy for a more important purpose.
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. What is produced by the ovaries? cervix and eggs testosterone and cervix eggs and estrogen estrogen and testosterone
Answer:
eggs and estrogen.
Explanation:
the ovaries produce eggs which are called ova (singular ovum) and also estrogen
The diagram shows how a community will colonize bare rock, and then change over hundreds of years.
n this example, what is the main cause of the changes that the community undergoes?
a
ecological succession, because each community promotes the growth of the succeeding community
b
climate change, because each community is determined by climate
c
extreme weather events, such as hurricanes, because they disrupt one community and open niches for a new community
d
tectonic events, such as earthquakes, because they disrupt one community and open niches for a new community
Answer:
a
. ecological succession, because each community promotes the growth of the succeeding community
Explanation:
Ecological succession is the process in which species structure of an ecological community changes over time.
The given example shows ecological succession (secondary succession) as in the image series of community changes over hundred of years including growth of community from bare rocks to trees as each community is promoting growth of succeeding community. But the colonized community of trees after series of changes is disturbed by human activities or natural calamity (as shown in image) reduces an already established ecosystem is called secondary succession (Type of ecological succession).
Hence, the correct option is a. ecological succession, because each community promotes the growth of the succeeding community
Explain two complex modes of human inheritance. Give examples.
Answer:
the pleiotropy and epistasis (more info below)
Explanation:
Many human traits have dynamic forms of ancestry. We can be regulated by a single gene with several alleles, or by several genes. Further complication can be added by pleiotropy (one gene, multiple effect) and epistasis (gene-gene interaction). A number of hereditary diseases are triggered by defects in one or a few genes. examples: autosomal dominant, autosomal recessive, X-linked dominant, X-linked recessive, and mitochondrial.
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Does anyone have the Lab#5 Stimulated Gel Electrophoresis Who Robbed The Bank?
What types of specialized cells and tissues do flatworms have in their excretory and
nervous systems?
Answer:
Explanation:
The flatworms are acoelomate organisms that include many free-living and parasitic forms. Most of the flatworms are classified in the superphylum Lophotrochozoa, which also includes the mollusks and annelids. The Platyhelminthes consist of two lineages: the Catenulida and the Rhabditophora. The Catenulida, or “chain worms” is a small clade of just over 100 species. These worms typically reproduce asexually by budding. However, the offspring do not fully detach from the parents and therefore resemble a chain in appearance. All of the remaining flatworms discussed here are part of the Rhabditophora. Many flatworms are parasitic, including important parasites of humans. Flatworms have three embryonic tissue layers that give rise to surfaces that cover tissues (from ectoderm), internal tissues (from mesoderm), and line the digestive system (from endoderm). The epidermal tissue is a single layer cells or a layer of fused cells (syncytium) that covers a layer of circular muscle above a layer of longitudinal muscle. The mesodermal tissues include mesenchymal cells that contain collagen and support secretory cells that secrete mucus and other materials at the surface. The flatworms are acoelomates, so their bodies are solid between the outer surface and the cavity of the digestive system.
A homozygous recessive female mates with a heterozygous male. What percentage of the
offspring could be homozygous dominant?
a. 50%
c. 0%
b. 100%
d. 25%
Answer:
C
Explanation:
0%
rr x Rr = Rr, Rr, rr, rr
Answer:
The answer is C
Explanation:
C: 0%
what traits are made up of a combination of genes?
Answer: Alleles
Explanation:
organisms that consume wastes to obtain the nutrients they need to survive are classifieds as
Answer:
Decomposers
Explanation:
Answer:
Decomposer
Decomposers are organisms that break down dead or decaying organisms, they carry out decomposition, a process possible by only certain kingdoms, such as fungi. Like herbivores and predators, decomposers are heterotrophic, meaning that they use organic substrates to get their energy, carbon and nutrients for growth and development. While the terms decomposer and detritivore are often interchangeably used, detritivores ingest and digest dead matter internally, while decomposers directly absorb nutrients through external chemical and biological processes. Thus, invertebrates such as earthworms, woodlice, and sea cucumbers are technically detritivores, not decomposers, since they must ingest nutrients - they are unable to absorb them externally.
What's the most common type of mutation, and what impact does it have on natural selection?
Answer:
i think that's gene mutation
Explanation:
Answer:
The most common type of mutation is a deleterious mutation. Natural selection acts to remove this allele from the population.
Explanation:
Which of the following descriptions is correctly paired with its viral cycle?
A. Lytic cycle: Viral DNA is integrated into the host's DNA for replication.
B. Lytic cycle: Integrated viral DNA can cause the host cell to become more pathogenic.
C. Lysogenic cycle: Infection remains hidden until many years later when lysis and cell death occur.
D. Lysogenic cycle: Invading viruses direct the cell to produce enzymes that break down the cell wall.
[FW.03]A pond is located beside an open mine. Mercury from the mine contaminates the river water. This is an example
of
O single pollution
multiple pollution
point source pollution
non-point source pollution
Please help I reallly don’t understand this please just explain how photosynthesis and how water chemical mechanical energy works and how movement of matter and energy from plant work pleaseee help Construct a model to show the movement of matter and energy from plants into other organisms. Show how mass and energy are conserved before and after each interaction. For example, the beginning substances before an interaction equal the ending substances, and vice versa.
Answer:
▪Photosynthesis is the process by which green plants transform light energy into chemical energy.During photosynthesis, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen.
▪Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules or nutrients into adenosine triphosphate (ATP), and then release waste products.
Photosynthesis is the process by which green plants transform light energy into chemical energy. During photosynthesis, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen.
What is photosynthesis?The term photosynthesis has been defined as the process in which green plants prepare their own food in presence of sunlight and during this process heat energy converts into chemical energy.
Cellular respiration has been known as the set of the metabolic reactions as well as the processes that take place in the cells of the organisms to convert chemical energy from the oxygen molecules or nutrients into the adenosine triphosphate (ATP), and then release waste products.
The energy and matter present at the start of any reaction will be same at the end of it as they can neither be created nor destroyed but can change from one form to another.
Therefore, Photosynthesis is the process by which green plants transform light energy into chemical energy. During photosynthesis, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen.
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When would a diameter cut be appropriate?
O A problem in a 3-foot section of the tree
O A large blemish that ran the full length of the tree
O A disease from the bark had ruined the wood underneath it
One end of the tree was significantly narrower than the other
Answer:
A problem in a 3-foot section of the tree
Explanation:
it is the most reasonable way to choose
Since the supercontinent Pangaea split up ~200 million years ago, the continents have remained in essentially the same positions. Do you agree?
Answer:
não concordo
Explanation:
pois com o passar do tempo por causa de algumas influencias naturais os continentes vão mudando de forma e posições
What motion is observed in a horse once the ischial arch is passed with a urinary catheter?
A) it lowers its head
B) its stomps its left front foot
C) it raises its tail
Answer: Option A.
It lowers the head.
Explanation:
The ischial arch is a prominent structure closer to the colliculus seminalis of horse. The ejaculatory duct is lateral to this and correspond to the area of ductus differenc eand vesicular gland opening.
The vesicular glands can be easily catheterized using a small-diammeter, flexible polyethylene catheter or a stylet . The catheter is inserted into the instrument channel of the videoendoscope and serves as a route for direct aspiration of fluid or instillation of pharmacologic solutions for direct treatment.It also helps to guide the scope head into the seminal vesicle .
Describe the changes of a wave as it approaches the shore and becomes a breaker
Answer:
As a wave approaches the shore, it grows in height and steepness as the water gets more shallow. Eventually, the waves grows to the point that the water isn't deep enough to support it. At this point, the wave topples, or breaks, which results in a breaker.
Explanation:
hi please help this question is based on what you think
Does luck play a roll in evolution ? EXPLAIN WELL.
Answer:
Yes
Explanation:
If u want to equate that with “luck” feel free. There are any number of points in natural history where any species, not just us, could have turned out very differently.
Had the climate not changed in Africa…. Forcing our distant relatives from the forested areas into the plains… We might very well still number among the “great apes” rather than the genus “Homo”.
There would be dozens of simialar “what ifs” in our past. The entire spectrum of life on Earth might have turned out very differently indeed had the Permian Extinction not happened…. Those life-forms that populated the Earth prior to this event were very different than those that evolved from the few survivors. (Over 90% of all life on Earth was presumed to have been killed off.)
What is another name for macroevolution? A. speciation B. genetic economy C. globalized evolution D. Mendel's Law
Another name for macroevolution is speciation, which is present in Option A as macroevolution refers to large-scale evolutionary changes, including the origin of new species.
What is speciation?Macroevolution refers to large-scale evolutionary changes that occur over long periods of time, such as the origin of new species, the diversification of major groups of organisms, and the extinction of entire lineages. Speciation is the process by which new species arise from existing ones, and it is one of the primary mechanisms of macroevolution. Allopatric speciation occurs when a population is geographically isolated from the rest of its species and undergoes genetic divergence over time, eventually resulting in the formation of a new species, and sympatric speciation occurs when a new species arises within the same geographic area as its parent species, often as a result of reproductive isolation caused by ecological or behavioral factors.
Hence, another name for macroevolution is speciation, which is present in Option A.
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Which is released during the formation of a peride bond?
A five-carbon sugar
An amino group
An amino acid
A water molecule
Explanation:
an amino group
why it's important to manage our natural resources
Answer:
Following are the reasons why the management of natural resources is important: To maintain a balance in the ecosystem. To avoid further destruction of the environment. To avoid over-consumption of the natural resources.
Explanation:
We should help nature grow.
21. In a portion of a gene, the nitrogenous base sequence is T-C-G-A-A-T.
Which nitrogenous base sequence would normally be found bonded to this
section of the gene?
A-C-G-T-A-A
A-C-G-U-U-A
A-G-C-T-T-A
U-G-C-A-A-U
Answer:
A-G-C-T-T-A
Explanation:
The nitrogenous base-pairs are Adenine (A)—Thymine (T) and Cytosine (C)—Guanine (G).
Adenine on one strand of a DNA molecule means thymine on the complementary strand, and vice versa.
Cytosine on one strand of a DNA molecule means guanine on the complementary strand, and vice versa.
A gene is a specific portion of a DNA molecule that codes for a trait.
Which of the following statements about blood pH is true?
A. Carbon dioxide is a buffer that helps the blood pH remain around 7.4.
B. Carbonic acid is a waste product that makes blood pH deviate from 7.4.
C. 7.4 is a neutral pH, and the whole body needs to remain neutral to maintain homeostasis.
D. At a pH too far from 7.4, enzymes in the blood will stop functioning properly.
Answer:
D. At a pH too far from 7.4, enzymes in the blood will stop functioning properly.
Explanation:
The pH of blood is regulated 7.35 and 7.45. pH shows acid-base balance in the body and maintains a healthy balance of acidity and alkalinity.
Balance of acid-base provides optimum condition to enzymes to perform proper function. As, enzymes required optimum pH range for functioning properly, pH too far from 7.4 can denature the enzymes. Enzymes will lose its shape and will not function properly at high pH.
Hence, the correct option is D.
Produces four daughter cells
Mitosis or meiosis
Answer:
Meiosis
Explanation:
Mitosis and meiosis are both types of cell divisions.
In mitosis, a parent cell undergoes one division and produces an identical, diploid cell. This results in 2 daughter cells.
In meiosis, a parent cell undergoes two divisions. This produces unique, haploid cells. The result is 4 daughter cells that are not identical to the parent cell.
Therefore, the answer is meiosis. Meiosis produces four daughter cells.
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2. What is the difference between a specialist and a generalist?
Answer and Explanation:
The difference between a specialist and a generalist is that a generalist is able to eat a variety of food and can survive in different environmental conditions while a specialist is able to eat a specific diet or food and can survive in a certain type of environment.
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Why should the announcement of a third supply intake for Las Vegas water cause concern?
Answer:
The announcement is of concern because it includes drilling activities on the ground, which can cause geological problems that cause unexpected and bad results for Las Vegas and the surrounding region.
Explanation:
Explain the process of alluvial land formation and resulting soil formation??
Answer: The alluvial soil is formed by the rivers that erode the rocks.
Explanation:
The rivers flows through the mountains and erodes the rocks. The sediments like silt and gravel get accumulated at the banks of the river that were flooded by the rivers.
The deposition of the eroded sediments results in the development and formation of the alluvial soil. The accumulation of the alluvial soil leads to development of alluvial land.
How do you form a contraction?
Answer:
Contractions are formed when words are shortened by omitting one or more letters, most often replaced by an apostrophe. Contractions most frequently occur when two terms that usually appear next to each other in a sentence are merged into a new , unique phrase. Hope this helped!
What factor makes the Hawaiian Islands the perfect place for plant species to diversify?
Answer:
Climate
Water Supply
Resources
Explanation:
Answer in my own words:
The weather offers a large amount of water and warm temperatures. This services have all the essential tools to sustain plant life or the plant health.
Key words:
1: Sustain
2: Essential
Hope this helps.
Answer:
Temperature, recources, location, humidity, percipitation
Explanation: