Biological classification is important because it allows scientists to study organisms in a ____ way? A.mnemonic, B.cladistic, C.problematic D.systematic​

Answer:

The most distinguishing and prominent feature of Ecdysozoans is their cuticle: a tough, but flexible exoskeleton that protects these animals from water loss, predators, and other aspects of the external environment. All members of this superphylum periodically molt or shed their cuticle as they grow.

Explanation:

Answer:

The root system includes those parts of the plant below ground, such as the roots, tubers, and rhizomes.

Explanation:

Answer:The root system includes those parts of the plant below ground, such as the roots, tubers, and rhizomes.

Do Eukaryotic Cells have Mitochondria?

In addition to the nucleus, eukaryotic cells may contain several other types of organelles, which may include mitochondria, chloroplasts, the endoplasmic reticulum, the Golgi apparatus, and lysosomes.

What is a  Eukaryotic cell?

A eukaryotic cell is one of two different types of cells. Organisms that are based on the eukaryotic cell are called “eukaryotes” and include plants, animals, fungi, and protists.

What is Mitochondria?

The mitochondrion (plural mitochondria) is a membrane-bound organelle found in the cytoplasm of eukaryotic cells. It is the power house of the cell; it is responsible for cellular respiration and production of (most) ATP in the cell. Each cell can have from one to thousands of mitochondria. Mitochondria also contain extranuclear DNA that encodes a number of rRNAs, tRNAs, and proteins.

The neurilemma is made up of Schwann cells and surrounds axons of the PNS.

The neurilemma is the layer of cells that surrounds the axons of peripheral nerve fibers in the peripheral nervous system (PNS). It is made up of specialized cells called Schwann cells, which play a critical role in the formation of myelin, a fatty insulating layer that surrounds axons and speeds up the conduction of nerve impulses. The neurilemma does not surround axons of the central nervous system (CNS), as the CNS is composed of the brain and spinal cord and has different types of specialized cells and structures for supporting and protecting its axons.

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The complete Question is:

Select all that apply

The neurilemma:

is made up of Schwann cells

is made of myelin

surrounds axons of the CNS

surrounds axons of the PNS

The two systems that are working together in this scenario are the circulatory system and the muscular system. The circulatory system, which includes the heart, blood vessels, and blood, is responsible for transporting oxygen and nutrients throughout the body. In the case of the horned lizard, the circulatory system is involved in supplying blood to the area around its eyes.

The muscular system is responsible for the movement of the body and the maintenance of posture. In the case of the horned lizard, the muscular system controls the major veins surrounding the eye and is responsible for contracting the muscles to increase blood flow to the head. The muscles in the eyelid and eye also contract to shoot blood when predators approach.

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Answer:

ability to grow

Explanation:

The student uses one of the living attributes, ability to grow to classify the pebbles as non-living things.

 There are 8 major attributes of all living organisms;

Since the pebble to could not grow, it is classified as a non-living organism.

Answer:

1.Buccal pumping is "breathing with one's cheeks": a method of ventilation used in respiration in which the animal moves the floor of its mouth in a rhythmic manner that is externally apparent.

2.Cutaneous respiration, or cutaneous gas exchange, is a form of respiration in which gas exchange occurs across the skin or outer integument of an organism rather than gills or lungs.

3.Pulmonary ventilation is commonly referred to as breathing. It is the process of air flowing into the lungs during inspiration (inhalation) and out of the lungs during expiration (exhalation.

Yan Lang po Sana makatulung

Answer:

The primary reason is that the pollen grains are being struck by water molecules that move in different directions. These strikes fluctuate and sometimes are uneven.

Explanation:

This vibration and spread out of molecules in water is called Brownian Motion. It is the result of the collision of small particles of water with big particles of pollen. As the particles of water move randomly hitting different sides of the pollen particle, at times, there will not be a coordinated movement, but as the movement of water particles is random, there will be moments when one side of the pollen particle will collide with more water particles, when this happens there is an unbalanced force that makes the pollen particle moves in a direction.

The questions provide a list of substances involved in photosynthesis, some are products and some are inputs.

Let's take a look at the photosynthesis equation. On the left, there are the reactants and on the right , anproducts:d in thethe

We can see that on the left side there is carbon dioxide and water, and that light is over the arrow, indicating that is needed for the reaction to occur.

So, the three inputs of photosynthesis are carbon dioxide (b), light (c), and water (f).

Answer: d. increased vegetation

Explanation:

The three basic types of fibrous joints are identified by placing each description in its proper context Gomphosis, Syndesmosis, Suture.

The connection of a tooth to its socket is an illustration of this junction.

A fibrous periodontal ligament tightly anchors this joint.

The word alludes to its resemblance like a peg that has been driven into a hole.

the connection between the radius and ulna shafts.

articulation that connects the fibula and tibia's distal ends.

a joint formed by longer collagenous fiber's connecting two bones.

a joint that has longer fiber's and more mobile connected bones

The parietal and temporal bones meet at this junction.

The coronal, sagittal, and lambdoid are a few examples of this joint.

joint that securely connects the skull's bones to one another.

On the roof of the mouth, this joint is situated between the palatine processes of the maxillae.

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Answer:

D. Its different than the original strand!

Hope this helps :3

Explanation:

I just took the K12 test :)

Polarization refers to the property of light whose waves oscillate along a single plane.

The light that is spatially shaped like a plane wave is said to be linearly polarised.

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Answer:

Habitat restoration

Explanation:

It will have a negative effect

The factor that would have a negative impact on the organisms that live in the salt marsh is option d, where an invasive species outcompetes native species for resources.

When an invasive species enters a salt marsh ecosystem, it often lacks natural predators and can rapidly reproduce, outcompeting native species for vital resources such as food, space, and shelter. This competition can disrupt the balance of the ecosystem and negatively impact the native species that are adapted to the specific conditions of the salt marsh.

Invasive species often have aggressive feeding habits, consume native species as prey, or outcompete them for limited resources, leading to a decline in the population size or even the extinction of native species. This disruption can have cascading effects on the entire ecosystem, affecting trophic interactions and nutrient cycling.

Salt marshes are complex habitats with specific ecological niches, and native species have evolved to rely on the availability of certain resources and interactions with other species. The introduction of an invasive species can disrupt these intricate relationships and upset the ecological equilibrium.

Therefore, the presence of an invasive species outcompeting native species for resources in a salt marsh would have a negative impact on the organisms residing there, leading to a loss of biodiversity and potential ecological imbalances. Therefore the correct option is d

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Answer:

The hypothesis is an educated guess as to what will happen during your experiment. The hypothesis is often written using the words "IF" and "THEN." For example, "If I do not study, then I will fail the test." The "if' and "then" statements reflect your independent and dependent variables

Explanation:

Answer:

"If" and "Then"

Explanation:

If and then are reflecting your independent and dependent variable.

An example- If i dont eat lunch then i will be hungry.

Hope it helped :)

The usage of synthetic plant hormones for the modification of plant growth can have environmental implications.

Factors to consider

1. Ecotoxicity: Synthetic plant hormones, if not properly regulated or used in excessive amounts, can pose risks to non-target organisms and ecosystems. They may affect the growth and development of other plants, beneficial insects, and microorganisms, potentially disrupting ecological balance.

2. Soil and Water Contamination: Improper application or disposal of synthetic plant hormones can lead to soil and water contamination. Runoff from treated fields or improper disposal of unused hormones may introduce these compounds into water bodies, potentially affecting aquatic organisms and overall water quality.

3. Resistance and Persistence: Repeated and excessive use of synthetic plant hormones can contribute to the development of resistance in target plant species. This can lead to the evolution of herbicide-resistant weed populations, requiring higher doses or different chemicals to achieve the desired effect. Moreover, some synthetic hormones may persist in the environment for extended periods, potentially impacting subsequent crops or natural vegetation.

4. Non-target Effects: Synthetic plant hormones may influence the growth and development of unintended plant species, leading to unintended consequences such as changes in biodiversity, alteration of natural plant communities, or interference with the natural ecological succession.

5. Human Health Concerns: The potential impacts of synthetic plant hormones on human health are an area of ongoing research. While these hormones are generally considered safe for use in agriculture when used according to regulations, there may be concerns related to exposure, residues, or indirect effects on food quality and safety.

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The correct answer is A) 5'- - - GA-3" 3' - - - СТТА-5'.EcoRI is a type of restriction enzyme that recognizes the DNA sequence GAATTC and cuts between the G and the A.

This produces sticky ends or overhanging ends, which are single-stranded ends that can base pair with complementary sequences on other DNA fragments cut with the same enzyme. The structure of each end of the linear DNA fragments produced by the EcoRI restriction digest will depend on the orientation of the GAATTC sequence within the DNA molecule.

In answer choice A, the 5' end of the DNA fragment has a GA overhang, while the 3' end has a complementary overhang of CTTA. This means that this fragment can base pair with another fragment cut with EcoRI, as long as it has a complementary overhang. Answer choice B is incorrect because it shows a G overhang instead of a GA overhang, which is not consistent with the recognition sequence of EcoRI. Answer choice C is incorrect because it shows an AT overhang, which is not consistent with the overhangs produced by EcoRI.

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Answer:

Minerals have distinguishing physical properties that in most cases can be used to determine the identity of the mineral.... Among the properties we will discuss are: crystal habit, cleavage, hardness, density, luster, streak, color, tenacity, magnetism, and taste. Crystal Habit. In nature perfect crystals are rare.

Explanation:

.

Answer:

you should give options too

Answer:

it is c

Explanation:

because it is scientificly proven

Answer:

the resting membrane potential will decrease to become slightly more negative

Explanation:

The resting membrane potential refers to the electrical charge difference across the plasma membrane when a cell is at rest (i.e., the cell is in a non-excited state). The resting membrane potential is caused by the electrochemical gradient of ions across the cell membrane and the membrane's permeability to each type of ion. The neuron cell membrane is more permeable to potassium ion (K+) movement than sodium ion (Na+) movement, thereby the resting potential is much close to the equilibrium potential of K+. A neuron at rest is negatively charged. In consequence, if the neuron would become impermeable to Na+ (e.g., by removal of Na channels), the extra efflux of Ka+ would lead to a membrane potential to slightly more negative than the resting value, but this value would remain higher than the equilibrium potential of K+.

The "exfoliation" or "shedding" of milk teeth is the name of the procedure.

The primary and permanent tooth sets make up the human dentition. Maxillary (upper) and Mandibular (lower) are the two opposing arches in which teeth are arranged. These can be split into their left and right halves along the midline (mid-sagittal plane).

Four Different Teeth Types and Their Purposes

The majority of individuals have 32 permanent adult teeth, which can be classified into four groups:

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Answer:

El acero es una mezcla homogénea, sin embargo, está hecho de hierro y carbono. Una sustancia pura es diferente de una mezcla homogénea porque una sustancia pura tiene un solo componente.

The problem involved a cross between homozygous purple and homozygous white pea plants, where purple is dominant. The Punnett square showed that the probability of the offspring having purple flowers is 3/4 or 0.75, which is a 75% chance.

The genotype of the homozygous purple-flowered pea plant is PP and the genotype of the homozygous white-flowered pea plant is pp. When these two plants are crossed, all of the F1 generation plants will be heterozygous (Pp) for flower color because they inherit one allele from each parent.

To determine the probability of the offspring having purple flowers, we can use a Punnett square

Each box represents a possible genotype combination of the offspring. The probability of an offspring inheriting the dominant P allele is 3/4, while the probability of inheriting the recessive p allele is 1/4. Therefore, the probability of the offspring having purple flowers is 3/4 or 0.75.

Thus, there is a 75% chance that the offspring of this cross will have purple flowers.

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--The given question is incomplete, the complete question is given

" Genetics Problem Solving Chapter 25

In pea plants, flower color is determined by a single gene with two alleles: the dominant allele for purple flowers (P) and the recessive allele for white flowers (p). A homozygous purple-flowered pea plant is crossed with a homozygous white-flowered pea plant.

What is the probability that the offspring will have purple flowers?"--

Extracellular polymeric substances help protect biofilms from issues such as drying out and predators. Option A

Biofilms are complex communities of microorganisms that adhere to surfaces and form a protective matrix. They can be found in various natural and artificial environments, such as riverbeds, medical devices, and plumbing systems. Biofilms provide advantages to the microorganisms within them, including protection from environmental stresses and predators.

One of the key components that helps protect biofilms is extracellular polymeric substances (EPS). EPS are complex mixtures of polysaccharides, proteins, and DNA that are secreted by microorganisms within the biofilm. These substances form a matrix that encases the cells, providing structural support and protecting the community.

EPS help biofilms resist drying out by retaining water and preventing desiccation. The polysaccharides in EPS can absorb and retain moisture, creating a hydrated environment within the biofilm even in dry conditions. This is crucial for the survival of the microorganisms within the biofilm.

Additionally, EPS serve as a barrier against predators. The matrix formed by EPS can make it difficult for predators, such as protozoa or grazing organisms, to access and consume the microorganisms within the biofilm. It acts as a physical defense mechanism, limiting the exposure of the microorganisms to predation.

While quorum sensing, becoming sessile (immobile), and autoinducers are all important mechanisms and processes associated with biofilms, they do not directly address the protection of biofilms from drying out and predators. So Option A is correct.

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Answer:

Hope it helps...

Explanation:

Pneumococcal disease is caused by bacteria called Streptococcus pneumoniae (pneumococcus). People with pneumococcal disease can spread the bacteria to others when they cough or sneeze. Symptoms of pneumococcal infection depend on the part of the body affected.

Answer:

Plates collide, and a mountain is formed

Explanation:

if plates are of equal densites when they collide they will push up and create a mountain chain