Answer: The statement appears to be true.
What are examples of environmental influences?
The examples of environmental influences
chemical pollutionair pollutionclimate changedisease-causing microbeslack of access to health carepoor infrastructureand poor water quality.There is speculation that environmental factors can affect behavior both directly and indirectly. The indirect causal mechanism illustrates how cognitions that are specific to a behavior play a mediating role in the influence of the environment on behavior. A direct influence shows how the environment automatically and unconsciously affects behavior.
Certain behavioral and personal characteristics are hypothesized to modify the causal pathway (i.e., inducing either the automatic or the cognitively mediated environment – behavior relation). The EnRG framework also uses an energy balance approach, which encourages an integrated investigation of factors influencing nutrition and exercise.
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during early development all cells in the embry o of a mutlcielluar organim are indeitcal, Later on in development the cells wil become pseiczlied thorugh a process called
The cells in multicellular organisms are of various types, every kind plays precise functions. These cells can not stay independently.
They characteristic as agencies known as tissues and distinctive kinds of tissues shape organs. Organs collectively shape organ systems The 4 important approaches via way of means of which a multicellular organism is made: cell proliferation, cell specialization, cell interaction, and cell movement. In a growing embryo, some of these approaches are going on at once, in a kaleidoscopic range of various approaches in distinctive elements of the organism. In unicellular organisms, cell department is the approach of reproduction; in multicellular organisms, it's miles the approach of tissue increase and maintenance.
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The mucosa secretes ________________________________________ that chemically digests food. After food is mixed with these secretions it is called ________________________________________.
Mucosa secretes hydrochloric acid which chemically digests food. Once food is mixed with this secretion it is called chyme.
Chemical digestion is the process of changing the molecules of organic matter present in food from complex forms to simple forms with the help of enzymes.
Mucosa is a tissue that lines all cavities in our body such as the tongue and digestive tract. In the digestive tract there is tissue that lines the surface of the stomach so that the stomach wall is protected from gastric acid abrasion. Mucosa will secrete hydrochloric acid which will activate pepsinogen to become pepsin to digest food chemically, namely to break down proteins into proteoses and peptones.
Chyme is food that has been stirred and mixed with stomach acid sap and has become mush after peristaltic events. Peristalsis occurs when the wall of the stomach consisting of three layers of muscles contracts and causes a movement that stirs and mixes food with gastric juice.
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1)Sam needs 10 kg of lemons to make lemonade.If each of the bag weighs 1000 g how many bags does he need?
2)How many 250 g bags of grapes are needed to make 5 kg?
Which of the following is an energetic trade-off in natural selection? Question 47 options: high survival rates of offspring and the cost of parental care choosing how many offspring to produce over the course of a lifetime and how long to live increasing the number of individuals produced during each reproductive episode and a corresponding decrease in parental care producing large numbers of gametes when employing internal fertilization versus fewer numbers of gametes when employing external fertilization
Answer:
high survival rates of offspring and the cost of parental care
Explanation:
Animals must optimize the energy invested in growing, surviving, reproducing, and leaving fertile offspring. They must ensure the perpetuity of the species. The best manner of doing it is by reaching sexual maturity, mating, and leaving progeny that also reaches their fertile age. So sometimes, they need to "decide" or "choose" where to invest more energy.
Those that "decide" to take care of their offspring invest too much energy in doing it. Parents must feed them, an activity that requires most of their energy to produce food or look for it. They must protect their progeny from potential opportunistic predators, so they need to be near the whole time. They need to teach behaviors and habits. And so many other things that require energy investment.
So, where do parents take all this energy from? The energy that is usually destined for survival and mating activities, is now destined for parenting. Often, parents can not feed properly because they can not leave their offspring alone. They face predators putting themselves in danger of being hurt. They can not mate even if they are in the reproductive season.
This is the Cost-benefits energetic trade-off.
Which is the benefit? To ensure the progeny survival, to make them reach their sexual maturity, and to reproduce too. They do it to ensure the perpetuity of the species.
So these species "choose" to have reduced offspring and to take care of them. Many other species "choose" to have many descendants and to avoid parental care. They invest their energy in surviving and reproducing.
Suzie has a bacterial infection that she caught after she had previously cut her hand. What category of infection is this
This category of infection is known as secondary infection, an infection that occurs during or after treatment for another infection.
A secondary infection is an infection that takes place for the duration of or after remedy for any other infection. It can be because of the primary remedy or through adjustments withinside the immune system. Two examples of a secondary infection are: Getting a vaginal yeast contamination after taking antibiotics to deal with an contamination because of bacteria. Secondary infection takes place for the duration of or after remedy of a number one infection due to the fact the regular bacterial vegetation is destroyed, permitting yeast to flourish. The immune device protects the frame from doubtlessly dangerous substances.
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All of the following are limitations of the biological species concept,
except for
it doesn't apply to asexual species.
it can't be applied to fossils.
it has trouble explaining hybrids, like wolf-dogs and grolar bears.
reasonably separating most species we see in day to day life..
Answer:
It can't be applied to fossils
Explanation:
It's because fossils aren't living organisms.
Which of the following is the most likely reason that the greatest number of extinctions of bird species occurred in the period 1901-2000
Increased environmental disturbances from human activities and altered bird habitats are the main reason behind the extinction of bird species between 1901-2000.
Between 1901 and 2000, 90 more mammal species went extinct than between 1801 and 1900. Environmental issues caused by human activities have gotten worse Changes in bird habitats between 1901 and 2000 was the main factor in the demise of numerous bird species.
When something is eradicated, it ceases to exist. There could be a lot of reasons for it, such as the extinction of some species as a result of overhunting, a lack of food, or natural disasters.
The mass extinction, which has only occurred five times throughout history, comes first. There are essentially two types of extinction. The second factor is background extinctions, which occur over a longer period of time and have a considerable impact on the pace of natural extinction.
The complete question is:
Which of the following is the most likely reason that the greatest number of extinctions of bird species occurred in the period 1901-2000?
(a). Increased environmental disturbances from human activities altered bird habitats.
(b). Deforestation
(c). Creating wildlife refugees
(d). species richness
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Which statement describes a cell part needed by the cell to make proteins?
A.
Cell membranes contain phospholipids.
B.
Vacuoles contain water.
C.
The nucleus contains DNA.
D.
Chloroplasts contain chlorophyll.
Answer:
C.
The nucleus contains DNA.
Marine Biology Please Answer and Explain
Is Gause’s Principle accurate? Explain why or why not.
Gause’s Principle is accurate because he describes that two species with the same niche cannot exist in the same habitat which is true.
What is a Niche?This is a term which is referred to as a place or position that's particularly appropriate for someone or something, especially due to being very specific and different from others.
Gause’s Principle however states that two species with the same niche cannot exist in the same habitat which is true. This is because their coexistence will lead to a high degree of competition which could lead to a decrease in their survival rate in the ecosystem.
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The fact that many of the proteins produced by humans have identical or nearly identical counterparts in chimpanzees suggests
that
A)
all proteins are basically the same.
B)
humans and chimps share a common ancestor.
o
humans and chimps have convergently evolved.
D)
humans and chimps actually belong to the same species.
Answer: B)
humans and chimps share a common ancestor.
Explanation:
What is the importance of mitosis for uni cellular organisms?
In unicellular organisms like bacteria, mitosis aids asexual reproduction by creating a near-exact duplicate of the parent cell.
A "amoeba" is another illustration of a eukaryotic, unicellular creature. An amoeba creates new life through cell division. Cell division in unicellular organisms is required just for reproduction. They divide their cells through a process called mitosis to create their daughter cells. Cell division is crucial for the development of new body cells and reproduction in multicellular animals. One pair of parents are used in asexual reproduction to create genetically identical kids. The primary method of cell division utilised by unicellular organisms is binary fission. The cell divides into two daughter cells that are genetically identical to one another.
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One example of an oncogene is ras. Ras is a G protein that is activated when growth factors bind to a G protein-coupled receptor. The mutated form of ras binds to GTP but does not allow the GTP to be broken down to GDP. Ras is involved in both the G 1 and G 2 checkpoints. What happens to cells that have this mutated form of ras
Ras is involved in both the G1 and G2 checkpoints.Through the inhibition of cyclin-dependent kinase inhibitors (CKIs), such as p27 and p21, which would otherwise bind with and inhibit cyclin-dependent kinases, oncogenic RAS can enhance cell cycle advancement (CDKs). IgM).
Growth factors bind to cell surface receptors to promote cellular proliferation and/or differentiation.While some growth factors are unique to a particular cell type, others are highly adaptable and stimulate cellular division in a variety of oncogenic cell types. When growth factors attach to growth factor receptors, normal Ras is activated. Ras becomes GTP-bound when it is inhibitors, activating a signalling pathway that promotes cell division and proliferation.
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True or false
can you have the same phenotype without having the same genotype
Tundra and alpine biomes are both characterized by low temperatures and
few trees. How are these two biomes different?
A. The tundra occurs near the North Pole. The alpine biome occurs
near the South Pole.
B. The tundra is near the tops of mountains. The alpine biome is
near the North Pole.
C. The tundra is near the North Pole. The alpine biome is near the
tops of mountains.
D. The tundra is near the North and South poles. The alpine biome is
along the equator.
!!HELP PLEASE!!
Answer:
it definitely c
Explanation:
because the tundra occurs at near the North Pole it is very cold in the Arctic and it's found in the northern hemisphere while the Alpine is found at the tops of mountains in a more warmer area with trees tundras are more Frozen
How can vegetarians make sure they get enough protein?
Vegetarians make sure they get enough protein by adding Beans and lentils ,Soy products ,Whole grains, Nuts and seeds in their daily meals .
Protein is one of the most essential nutrients for daily life , as they are required to help your body repair cells and make new ones. Protein also plays crucial role in growth and development in children and expecting mothers .
In general , proteins are required for the repairing and building your body's tissues, They also allows metabolic reactions to occurs at place for easy body function . so we can say that protein is crucial for maintaining structural framework of body and also helps in maintaining fluid balance .
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Based on Figure 1, which of the following statements best predicts the effect that a change from a moderately acidic environment (pH near 6) to a basic environment will have on peroxidase activity ?
O Peroxidase activity will decrease.
O Peroxidase activity will increase.
O Peroxidase activity will stay the same.
O Peroxidase activity will increase at first and then decrease.
The effect that a change from a moderately acidic environment (pH near 6) to a basic environment will have on O Peroxidase activity will decrease.
What is Peroxidase activity?Demonstrated that the performance of hydrogen peroxidase was greatly affected by all three factors, temperature, concentration level, and pH.The peroxidases are enzymes whose primary function is to oxidize hydrogen donors at the expense of peroxides. They are highly specific for hydrogen peroxide, but they accept a wide range of hydrogen donors, including polyphenols.Thyroid peroxidase also called as thyroperoxidase (TPO) is mainly expressed in thyroid organs. It is a large transmembrane glycoprotein with covalently linked haem, present in cells on the apical membranePeroxidase activity was pH-dependent, with complete inactivation at pH 2.5 and when 8.5 The maximum enzyme activity observed at pH 6.5 decreased when the pH was reduced or increased; the drop was sharper in the alkaline than in the acid rangeTo learn more about Peroxidase activity refers to:
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HURRY I NEED HELP PLEASE
At its typical boiling point of 100°C, water has a vaporizing heat of 2260Jg⁻¹. This indicates that for water to convert from 1 g of liquid at 100°C to 1 g of steam at 100°C, it must absorb 2260 J of temperature.
What is the name of environment?An ecosystem, often known as the environment, is a natural system made up of all living things—plants, animals, and microbes—as well as all inanimate objects (abiotic components) that make up the environment.
Why is the environment so crucial?The status of the environment has a direct impact on human health and wellbeing. Good natural settings provide our fundamental requirements by providing fresh water, clean air, and a hospitable climate for growing food.
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Question 1 of 10
What about Earth allows it to maintain bodies of water?
OA. Strong magnetic field
OB. Strong gravity
O C. Lunar tides
OD. Plate movements
Geographic isolation can cause which of the following?
a Hybridization
b Allopatric Speciation
c Sympatric Speciation
d Polyploidy
***HELP PLZ****Which of the following is not needed to maintain diversity in an ecosystem?
Keystone species
Producers
Invasive species
Consumers
Answer:
keystone species
Explanation:
Answer:
Invasive species
Explanation:
What is the process by which plants use energy from sunlight to convert water and carbon dioxide into glucose and oxygen?
Answer:
The process by which plants use energy from sunlight to convert water and carbon dioxide into glucose and oxygen is called photosynthesis. This process takes place in the chloroplasts of plant cells, which contain a green pigment called chlorophyll.
During photosynthesis, the chlorophyll absorbs light energy from the sun, which is used to split water molecules into oxygen and hydrogen ions. The oxygen is released into the atmosphere, while the hydrogen ions are used to produce ATP, a molecule that stores energy.
Next, the plant takes in carbon dioxide from the air and combines it with the hydrogen ions to produce glucose, a simple sugar that the plant uses as food. This process is known as the Calvin cycle.
Overall, photosynthesis is a vital process that allows plants to produce their own food and oxygen, and it is essential for supporting life on Earth.
How do mammals compare with birds and reptiles in terms of temperature regulation and structure of the heart?
Answer:
the biggest difference is that mammals are endothermic and internally regulate their body temperature, but reptiles are ectothermic because they rely on the environment to do it for them.
Explanation:
Ectothermic: An ectothermic animal, also commonly known as a "cold-blooded" animal, is one who cannot regulate its own body temperature, so its body temperature fluctuates according to its surroundings. The term ectotherm comes from the Greek ektos, meaning outside, and thermos, which means heat
Endothermic: An endothermic process is any process with an increase in the enthalpy H of the system. In such a process, a closed system usually absorbs thermal energy from its surroundings, which is heat transfer into the system.
Exothermic reactions transfer energy to the surroundings and the temperature of the surroundings increases. Endothermic reactions takes in energy and the temperature of the surroundings decreases.
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You are competing in a 50-day survival challenge and can choose only one type of food to bring. What food do you choose and why: lard (Fat/Grease), Meat, or bread?
Some seeds are light and can easily be carried long distances by the wind. Some seeds have barbs that cause them to attach to the fur of animals. Some seeds are enclosed in fruit that is eaten by birds. What do these features of seeds all have in common?
A.
They all provide nourishment to the seed.
B.
They all help the seed survive winter.
C.
They all allow for seed dispersal.
D.
They all protect the seed from injury.
These features of seeds all have in common for They all allow for seed dispersal.
What is seed dispersal?Seed dispersal is the mechanism by which plant seeds are transported to new sites for germination and the establishment of new individuals. Animals commonly mediate this process, and consequently, the ultimate fate of seeds depends on their effectiveness as seed dispersersDispersal can be defined as the process by which individuals move from the immediate environment of their parents to establish in an area more or less distant from them.Dispersal is the spreading of things over a wide area. Plants have different mechanisms of dispersal for their spores. Synonyms: scattering, spread, distribution, dissemination More Synonyms of dispersalDispersal of seeds is very important for the survival of plant species. If plants grow too closely together, they have to compete for light, water and nutrients from the soil. Seed dispersal allows plants to spread out from a wide area and avoid competing with one another for the same resources
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La medicina es una ciencia social y la política no es más que medicina a gran escala, por que?
Answer:
Todas estas referencias expresan hasta qué punto la enfermedad posee una dimensión psicológica, social y política.
Explanation:
Another name for the economic system in the United States is
Explanation:
The United States has a mixed economy. It works according to an economic system that features characteristics of both capitalism and socialism.
Explanation:
The US economy is considered a mixed economy - has features of capitalism, government ownership, and government regulation of the economy.
The United States is said to have a mixed economy because privately owned businesses and government both play important roles. ... In addition, Americans generally believe that an economy characterized by private ownership is likely to operate more efficiently than one with substantial government ownership.
Which of the following statements about the distribution of sap throughout a plant is true?
a) The driving force for sugar movement is transpiration.
b) The mechanism that explains the movement of sugars throughout a plant is called the pressure-flow hypothesis.
c) Companion cells form the conducting tissue for sap.
d) The main component of phloem sap is glucose.
The statements that are true about the distribution of sap throughout a plant are:
a) The driving force for sugar movement is transpiration.
b) The mechanism that explains the movement of sugars throughout a plant is called the pressure-flow hypothesis.
c) Companion cells form the conducting tissue for sap.
Transpiration is the process where water is lost from the leaves of the plant and the resulting negative pressure in the leaves pulls water from the roots.
The pressure-flow hypothesis describes how the pressure difference in the leaves and roots is used to drive the movement of sugars through the plant.
Companion cells are specialized cells found in phloem tissue that help to support the sieve tube cells which are responsible for the actual transport of sap.
Phloem sap is a complex mixture of sugars and other substances and not only glucose.
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What is the significance of the fossils preserved in the Dove Spring Formation to our understanding of Earth’s history?
Answer:
Due to information about the earth history.
Explanation:
There is a great significance of the fossils that preserved in the Dove Spring Formation in order to our understanding of Earth’s history because these fossils provides a lot of information about the history of the earth. Dove Spring Formation (DSF) is an 1,800-m-thick succession of fluvial, lacustrine, and volcanic rocks that comprise of diverse vertebrate fossil collections that provides information and knowledge about the different organisms present in the history of earth.
NEED ASAP!!!
explain how mutations affect genes.
Explanation:
Random mutations in genes can potentially lead to advantageous characteristics. For example, a mutation in the genetic coding of a bacterium could lead to that bacteria becoming resistant to antibiotics. Mutations change the overall coding of a gene, and are normally harmless. Mutations are changes in the coding of DNA, they can lead to alterations in the polypeptide chain and so can lead to non-functional proteins.