The Florida panther's population was reduced to zero in Florida due to overhunting. Panthers were reintroduced to Florida in 1995 and small populations now live in the southern swamplands of the state. Wildlife scientists carefully watch to see how the populations change from year to year. Which of the following events would decrease a population of panthers?
A. Many white-tailed deer move in the panthers' range.
B. Water quality improves in the panthers' habitat.
C. Some panthers emigrate to another area far away.
D. A mother panther gives birth to a litter of two offspring.​

Membrane-bound organelles affects the way that a cell carries out processes essential for life by ensuring there is adequate packaging, transport and distribution of materials in the cell.

These are structures which are found in a cell and are bound by a biological membrane. They are responsible for the different metabolic activities which takes place in them. Example of membrane-bound organelles include:

The organelles mentioned are responsible for the efficient packaging and distribution of different types of materials in and out of the cell.

An example is endoplasmic reticulum which ensures that lipid produced is moved to other parts of the cell while the toxins are usually eliminated through special methods.

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According to the rule of conservation of mass, matter cannot be generated or destroyed in a closed or isolated system. It is preserved but capable of changing forms.

The understanding that substances do not actually vanish as a result of a reaction, despite what might appear to be the case, but rather change into another material of equal mass, was made possible by the law of conservation of mass, which was essential to the development of chemistry.

The law of conservation of mass was discovered by several scientists, according to history. As a consequence of an experiment in 1756, Russian scientist Mikhail Lomonosov recorded it in his diary.

French chemist Antoine Lavoisier carefully recorded experiments that supported the law in 1774. Some people refer to the law of conservation of mass as Lavoisier's Law.

Therefore, According to the rule of conservation of mass, matter cannot be generated or destroyed in a closed or isolated system. It is preserved but capable of changing forms.

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Answer:

A. the rise and fall of the tides.

C. a dropped object always falls toward Earth.

Explanation:

Gravity is considered to be a universal force of attraction which acts between all objects that has both mass, energy and occupy space. Therefore, it acts in such a way as to bring objects together.

Additionally, the gravity of earth makes it possible for all physical objects to possess weight.

The two phenomena which are evidence that gravitational forces are attractive includes;

I. The rise and fall of the tides: this is caused as a result of the gravitational force of attraction exerted by the moon on earth.

II. A dropped object always falls toward Earth: this acceleration is due to the gravitational force of attraction between the Earth and the object.

Answer:

a

Explanation:

Answer:

i think c?

Explanation:

hope this helped

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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To categorize each term, we can determine if it is typical of a scientific theory, a scientific hypothesis, or both

Makes predictions about future events: Scientific Hypothesis. Based on observations of natural phenomena: Both Scientific Theory and Scientific Hypothesis. A tentative statement used to guide scientific investigations: Scientific Hypothesis. A well-established, highly reliable explanation: Scientific Theory

A scientific hypothesis is a tentative statement or prediction that can be tested through scientific investigation. It is based on observations of natural phenomena and can make predictions about future events.

A scientific theory, on the other hand, is a well-established and highly reliable explanation supported by a substantial body of evidence. It goes beyond individual observations and hypotheses, providing a comprehensive understanding of a particular phenomenon or set of phenomena.

Both scientific theories and hypotheses can be tested by many independent researchers to ensure the validity and reliability of the findings. Therefore, the term "Can be tested by many independent researchers" applies to both scientific theories and scientific hypotheses.

By categorizing the given terms, we can see that "Makes predictions about future events" corresponds to a scientific hypothesis, "Based on observations of natural phenomena" applies to both scientific theories and scientific hypotheses, "A tentative statement used to guide scientific investigations" refers to a scientific hypothesis, "A well-established, highly reliable explanation" represents a scientific theory, and "Can be tested by many independent researchers" applies to both scientific theories and scientific hypotheses.

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Answer:

A creates the fluid in semen

Answer:

4,500

Explanation:

The logistic growth model is given by:

\(\frac{dP}{dt}=rP(1-\frac{P}{K} )\)

Solving for P(t), we obtain:

\(P(t)=\dfrac{KP_0e^{rt}}{(K-P_0)+P_0e^{rt}}$ where:\\P_0=$Initial Population\\K=Carrying Capacity\\r=Growth rate\\P(t)=Population at a time t.\)

We are given that:

\(I$nitial Population,P_0=500\\$Carrying Capacity,K=5000\\Population after one year, P(1)=1250 \implies t=1\)

Therefore:

\(1250=\dfrac{500 \times 5000e^{r \times 1}}{(5000-500)+500e^{r\times 1}}\\\\1250[(5000-500)+500e^{r}]=500 \times 5000e^{r}\\4500+500e^{r}=2000e^{r}\\2000e^{r}-500e^{r}=4500\\1500e^{r}=4500\\e^r=3\\$Take the natural logarithm of both sides\\r =\ln 3\)

We want to determine the population after another three years. i,e When t=4

\(P(4)=\dfrac{500 \times 5000e^{\ln|3| \times 4}}{(5000-500)+500e^{\ln|3| \times 4}}\\=\dfrac{2,500,000e^{\ln|3| \times 4}}{4500+500e^{\ln|3| \times 4}}\\P(4)=4500\)

Therefore, after another three years, the population will be 4500.

Answer:

When the concentration of molecules of a substance is the same on both sides of a membrane the solution is isotonic.

Explanation:

A given substance, when it has the same concentration on both sides of the membrane, is in equilibrium and the solution is called isotonic, from the extracellular space with respect to the cytoplasm.

The cell membrane is semipermeable to the passage of water and some substances. Hypertonic and hypotonic solutions tend to establish the dynamics of entry and exit of molecules or water, due to the concentration or osmotic gradients that are established, respectively.

An isotonic solution does not generate gradients, because the concentration of molecules is equal in the extracellular space with respect to the intracellular space.

Answer:

B) Daughter Cells

Explanation:

When a cell divides, the parent cell divides to form two daughter cells.

Answer:

The answer is daughter cells.

Hope that helps. x

Euglena and Paramecium differ from each other in several ways, let's compare.

Euglena

• Is photosynthetic

• Has flagella

• Has a red eyespot

• Has one nucleus

Paramecium

• Is heterotrophic

• Has cilia

• Does not have an eyespot

• Has a macronucleus and a micronucleus

Given this, the correct answer is A

Answer:

plasmid

Explanation:

plasmid

The human insulin gene is inserted into each plasmid. The plasmid acts as a vector - it is used to transfer DNA from one organism to another. Bacterial cells are made to take up the genetically modified plasmids.

Answer:

Explanation below

Explanation:

Mutation can be described or explained as a situation whereby there is a change in the make up of a gene thereby resulting to the formation of an entire gene which will be responsible for a new character.

The rate of mutation could be fast or slow, and that is referred to as the mutation rate.

Answer:

genetic engineering

Explanation:

Answer:

This was my question on edmentum.

Explanation:

See pic below

Answer:

D

Explanation:

The answer is D

Answer:

Yes, the answer is D

Explanation:

This information, along with the discovery that rocks along the mid-Atlantic ridge were younger, was evidence for Seafloor spreading.

What is seafloor spreading?

Seafloor spreading is the hypothesis that the ocean's crust develops along the mid-ocean ridge system's undersea mountain zones and spreads out laterally away from them. The theory of plate tectonics, which revolutionised geologic thought throughout the final quarter of the 20th century, was developed in large part as a result of this concept.

When the seafloor spreads, tectonic plates, which are huge portions of the Earth's lithosphere, split apart from one another. Seafloor spreading and other tectonic activity processes are caused by mantle convection. Mantle convection is the term for the mantle's slow, turbulent circulation.

Hence the correct option is B; seafloor spreading.

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Explanation:

Definition: the creation of protein. Protein synthesis is the process of creating protein molecules. In biological systems, it involves amino acid synthesis, transcription, translation, and post-translational events. ... In translation, the amino acids are linked together in a particular order based on the genetic code.

Answer:

A.

Explanation:

Gravitational energy draws things to it's surface

Answer:

its A

Explanation:

Answer:

DNA is in a nucleus in eukaryotes.

Explanation:

Circular DNA and smaller, transferable DNA plasmids are both found in prokaryotes.

Based on their nuclear structure, number of chromosomes, binding protein, and selective permeability, eukaryotes differ from prokaryotes in their DNA (Deoxyribose Nucleic Acid).

Answer:

Aquic. Alabama has an "Aquic" climate, which is typified by a humid environment with evenly distributed rainfall that maintains the soil well-saturated.

The soil moisture control section of the udic moisture regime is one in which no part of the section is dry for as long as 90 cumulative days in typical years.

Crops can grow on soils with an udic moisture regime because they have enough moisture. Although irrigation is usually required for crops in a ustic moisture regime, crops can be grown in the udic moisture regime without it. The majority of agricultural techniques require artificial drainage on soils with an aquic moisture regime.

geology term for a soil that has already been saturated with water; aquic (not comparable).

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Answer:

The egg shell would volatilize and the symmetrical structure of the egg will become very ductile, there for it will become vulnerable to fracture and a potential rupture.

Explanation:

In the cell transport experiment, the cell shows endosmosis of water due to concentration gradient and it will become turgid and may rupture.

The process of movement of a water molecule or the solvent from a region of its higher concentration to a region of its lower concentration through a semipermeable membrane is known as osmosis.

Osmosis is of two types: Endosmosis and Exosmosis. Endosmosis occurs when the concentration of water is less inside the cell and more outside and water moves inside the cell. Exosmosis occurs when the concentration of water is higher inside and lower outside. Then, water moves outside the cell.

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Answer:

True

Explanation:

They are all vertebrates

Option(B) Ureter is the correct option.

The ureter is a vital part of the urinary system in humans. It is a muscular tube that connects the kidneys to the urinary bladder. Each human has two ureters, one attached to each kidney, and they play a crucial role in the transportation of urine from the kidneys to the bladder.

The primary function of the ureter is to carry urine that is produced in the kidneys to the urinary bladder for storage before it is eliminated from the body through urination. The ureters accomplish this by using peristalsis, a wave-like muscular contraction, to propel urine along their length.

The ureters have a complex anatomical course. They originate from the renal pelvis, which is the funnel-shaped structure that collects urine from the kidneys. From there, they extend downward, crossing over the brim of the pelvis and passing behind the peritoneum, the membrane lining the abdominal cavity.

The efficient functioning of the ureters is essential for the proper elimination of waste products and maintenance of fluid balance in the body. Any obstruction or abnormality in the ureters can lead to conditions like kidney stones, urinary tract infections, or urinary reflux.

In summary, the ureters are muscular tubes that transport urine from the kidneys to the urinary bladder. They rely on peristaltic contractions to propel urine, and their structure and positioning help ensure unidirectional flow.

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Explanation:

jennjjj+ii8iiiiiiiuiiiiiiiu

Random sampling and mark and recapture methods are both commonly used to estimate population sizes, but they have different strengths and weaknesses.

Random sampling involves selecting a random sample of individuals from a population and using that sample to make inferences about the population as a whole. This method is typically used when the population is large and diverse, and it is difficult to observe or count all individuals. Random sampling is also useful when the population is not easily marked or tagged, as it does not rely on the use of markers.

On the other hand, mark and recapture methods involve marking a subset of individuals in a population, then releasing them back into the population and later re-capturing them. The number of marked individuals that are recaptured is used to estimate the population size. This method is typically used when the population is small, and it is relatively easy to observe or count all individuals. Mark and recapture methods are also useful when the population is easily marked or tagged, such as with fish or birds.

A situation in which random sampling would work best is a study of the population of deer in a large forest. The forest is too vast to observe or count all individuals, so a random sample of deer would be selected and observed to estimate the population size.

On the other hand, a situation in which mark and recapture methods would work best is a study of the population of fish in a small lake.

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Answer:

It is difficult to give an exact answer to this question, as it depends on a variety of factors such as the rate of reproduction, the rate of mutation, and the environmental conditions. However, it is likely that the process would take several generations, and it is estimated that it could take anywhere from 10 to 20 years for the majority of the population to end up with light fur.

Answer:

In earlier examples, 1 percent of the population started with dark fur and had a 1 percent survival advantage, and that took 1,000 years to turn 95 percent of the population dark. So, if 1 percent of the population had light fur, and that had a 50 percent survival advantage, it would take only 20 years for 95 percent of the population to be light.

Explanation:

Answer:

a low hydrogen ion concentration and a high pH

The purpose of the part of the male reproductive system that is highlighted below is: Transfers sperm cells to the urethra (option A).

Reproductive system is a system of organs within an organism which work together for the purpose of reproduction.

In the male reproductive system, the following organs are involved;

The vas deferens is the duct in the testicle that carries semen from the epididymis to the ejaculatory duct. The labelled structure in this diagram is the vas deferens.

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