dios.
In the early 1900s, California citrus growers sprayed their trees with cyanide gas to kill scale insects. By 1914, some scale insects were
surviving the spraying, and eventually the whole population showed resistance to cyanide. Which of the following statements best
explains how resistance to cyanide spread in the scale insect population?
OA Insects without a resistance gene underwent mutation O B. Insects with a resistance gene survived the first
upon contact with the cyanide to acquire resistance.
cyanide sprayings and passed the gone to their
offspring.
OC Predators put greater selection pressure on insects
with a resistance gene than on insects without a
resistance gene.
OD Parasites infecting the insect population carried the
trait from insects with a resistance gene to insects
without a resistance gene.

Answer:

hope it helps :)

Explanation:

Fermentation happens in anaerobic conditions. Fermentation begins with glycolysis which then breaks down glucose into 2 pyruvate molecules and produces two ATP and two NADH. Fermentation allows glucose to be continuously broken down to make ATP due to the recycling of NADH to NAD+.

Basic research led to the discovery of biological phenomena that enable the development of new technologies in medicine such as the CRISPR Cas9 genome editing system.

The CRISPR Cas9 genome editing system is a tool used in genetic engineering that holds promise in medicine. This tool (CRISPR Cas9 genome editing system) can be used to edit genes in diseases and thus correct genetic mutation in the target organs and or tissue.

The CRISPR Cas9 genome editing system is based on the discovery of the defense system of bacteria which is a key point in basic research (bacteria include in their genome fragments of viral genomes to fight against them).

Therefore, with this data, we can see that the CRISPR Cas9 genome editing system and other technologies are based on discoveries in basic research.

Learn more about the CRISPR Cas9 genome editing system here:

https://brainly.com/question/17065423

#SPJ1

Answer:

Information processing and movement

Answer:

It can also clog the gills of fish or smother fish larvae. In addition, other pollutants like fertilizers, pesticides, and heavy metals are often attached to the soil particles and wash into the water bodies, causing algal blooms and depleted oxygen, which is deadly to most aquatic life.Nutrients like nitrogen and phosphorus are essential for growing crops, but they can also trigger algal growth in rivers, lakes and bays. Agricultural runoff flows into the lakes and rivers that hundreds of towns draw their water from.Runoff picks up fertilizer, oil, pesticides, dirt, bacteria and other pollutants as it makes its way through storm drains and ditches - untreated - to our streams, rivers, lakes and the ocean. Reducing runoff can help prevent water pollution, reduce flooding, and protect our precious drinking water resources.

Explanation:

Stormwater runoff can also wash sediment, nutrients or other pollutants into water sources. Increased sediment, nutrients and other pollutants can diminish water quality, threaten drinking water sources, and complicate water treatment processes.

Answer:

most birds would have a long beak

Explanation:

i took the test

The change in the beak type that could be expected in the population is most birds would have a long beak. Thus, the correct option for this question is A.

A Population may be defined as a group or collection of individuals belonging to the same species living in the same area at a definite time. The size, density, abundance, dispersion, birth rate, death rate, etc. are some of the characteristics of the population. These characteristics are known as demographic factors.

According to the context of this question, if the area in which the birds live experiences a 50-year drought, then the process of adaptation changes the size and properties of the bird's beak. This is because when there is a condition of drought arises, the birds generally take water from little spaces. And this facilitates the bird to increase the length of its beak.

Therefore, the change in the beak type that could be expected in the population is most birds would have a long beak. Thus, the correct option for this question is A.

To learn more about Population biology, refer to the link:

https://brainly.com/question/1437549

#SPJ6

The sex chromosomes that are present in a person's cells must be taken into account while creating a sex determination chart. In humans, males have one X and one Y chromosome while females have two X chromosomes (XX). (XY).

X or Y sex chromosomes can be found in sperm cells. However, female gametes, or eggs, are homogametic and solely contain the X sex chromosome. In this instance, a person's sex is determined by the sperm cell. If an egg is fertilised by a sperm cell carrying an X chromosome, the subsequent zygote will be XX, or female.

As sex chromosomes, the female has two X chromosomes, whereas the male has one X and one Y chromosome. if the offspring inherits one The child has one X chromosome from the father and one from the mother, making her a girl.

To know more about sex chromosomes visit:-

https://brainly.com/question/1535625

#SPJ1

8 unique gametes could be produced through independent assortment by an individual with the genotype aabbccdd.

Genotypes: Two significant laws were established as a result of Mendel's experiment with pea plants: the law of independent assortment and segregation. During gamete formation, homologous genes will segregate or separate into distinct gametes, according to the law of segregation. As a result, there will only be one copy of a gene in each gamete. According to the law of independent assortment, distinct genes will randomly separate from one another. In this situation, every gamete will comprise five qualities. Additionally, there are two choices for two of the genes and two choices for three of the genes.

Every allele will consist of one or the other An or a, B or b, C, D or d, and E.

Deciding the number of unique gametes by listing the possible combinations. The combinations are as follows:

ABCDE

AbCDE

AbCdE

ABCdE

aBCDE

abCDE

aBCdE

abCdE

As seen above, there are 8 possible combinations.

Know more about genotypes here: https://brainly.com/question/902712

#SPJ4

Answer:

tissue

Explanation:

Layer of cells is referred to as tissue. Therefore, tissue describes the level of organization in the plant root tips.

One of the types of tissue that can be found at the very end of a plant root is called the root cap. It is also known by the name calyptra.

The rapidly dividing cells known as the meristematic region or meristem are safeguarded by the root cap, which is located at the very tip (zone of cell division). The cells that lie underneath the meristem grow longer and push the root cap and meristem deeper into the ground, allowing the root to discover and mine fresh soil (zone of elongation).

Therefore, root caps have tissue level organisation.

Learn more about root cap, here:

https://brainly.com/question/12225643

#SPJ2

Over time, most of the pig population is made up of individuals that have very long snouts stabilizing selection and natural selection.

Thus, Natural selection, which maintains that the fittest individuals in a population — those most likely to live and reproduce — are more likely to pass on their features and adaptations to following generations, is how Charles Darwin determined that living beings evolve.

His work has been elaborated upon by modern evolutionary scientists to include three primary types of natural selection:

One phenotypic extreme is chosen through directional selection. Disruptive selection is the simultaneous selection of two (or more) divergent phenotypic extremes.

The main topic of discussion in this lesson is stabilizing selection, a sort of natural selection that favors phenotypes between the extremes, i.e., "average" people are more likely to live and procreate (are fitter).

Thus, Over time, most of the pig population is made up of individuals that have very long snouts stabilizing selection and natural selection.

Learn more about Natural selection, refer to the link:

https://brainly.com/question/20152465

#SPJ1

Answer:

The lysosome digests molecules

The only true statment from above given options.

hope it helps!

The statements that correctly matches a cell part with its function is the lysosome digests molecules.

A lysosome is the organelle of the cell. It is a spherical-shaped organ, and its main function is to engulf molecules that enter the cell and are harmful to the cell.

Thus, the correct option is D.

Learn more about lysosome

https://brainly.com/question/13386978

#SPJ2

Answer: The English settlers brought it over from England when they brought supplies to start a new life over

Explanation:

Answer:

The Hawaiian islands were formed by a hot spot in the middle of the pacific plate. The tectonic plate moved over the hot spot forming the islands.

Answer:

Sustainable development is an organizing principle for meeting human development goals while simultaneously sustaining the ability of natural systems to provide the natural resources and ecosystem services on which the economy and society depend on.

Explanation:

Answer:

B

Explanation:

B

Explanation:

A. It replaces skin cells

Hope it is helpful to you

The cell that has no concentration gradient across the membrane resulting in no net movement of water is cell A. It is the largest concentration difference between the inside and outside of the cell is represented by the shows cell.

In this system, water has a gradient in concentration. Water will therefore diffuse down its gradient of concentration and cross the membrane to the side where it is less concentrated. Water will continue to diffuse through a membrane during the osmosis process until the gradient in the water's concentration is zero.

Ion pump enzymes move ionic solutes like sodium, potassium, hydrogen ions, and calcium across biological membranes to create and maintain concentration gradients. Because a gradient requires energy to create, it is a form of energy that has been stored.

Learn more about cell membrane here: https://brainly.com/question/30365089

#SPJ4

Answer:

All living beings are made up of cells.

it will be also cells.

Explanation:

plz mark me brainleast

Answer:

All living things are made up of cells.

The broadest category of classification for the praying mantis is referred to as animalia in this type of scenario.

This is defined as the process in which organisms are arranged into a group based on the similar features or characteristics between them. According to Linnaeus' hierarchical system of classification there are seven levels which include the following from broadest to narrowest.

We can infer from the list given above that that the broadest category is Kingdom while the narrowest category is referred to as species which has smaller unique features.

Since praying mantis have similar features with animals such as being able to move, eat etc it is grouped under the Kingdom animalia which is the  broadest group in this category thereby making it the most appropriate choice.

Read more about Classification here https://brainly.com/question/385616

#SPJ1

Wastewater treatment plants are designed to remove pollutants and contaminants from domestic and industrial wastewater before it is discharged back into the environment.

The treatment process typically involves a series of physical, chemical, and biological processes that remove contaminants such as organic matter, nutrients, pathogens, and toxic chemicals. The treated wastewater can then be safely discharged into surface waters, reused for irrigation or industrial purposes, or discharged into the ground.

Over time, wastewater treatment technology has advanced significantly, with the development of more efficient and effective treatment processes, such as membrane filtration and biological nutrient removal. Additionally, wastewater treatment plants are increasingly incorporating resource recovery technologies to extract valuable resources such as nutrients, energy, and water from wastewater. These technologies not only help to reduce the environmental impact of wastewater treatment but also create new opportunities for resource recovery and reuse.

Learn more about environment here:

https://brainly.com/question/13107711

#SPJ4

Answer:

It will preserve biodiversity for future generations.

Explanation:

took test and got it right

Answer:

one thing that is harmful is pollution. it kills lots of sea life and harming out air. a way we can pollute in a helpful way is to only throw things on the ground that is biodegradable and not plastic

The bands did you detect in the lane with undigested plasmid size(s) were they Reconstruction debate that had federalism debate that had been an issue since the 1790s.

Reconstruction failed by most other measures: Radical Republican legislation ultimately failed to protect undigested slaves from white persecution and failed to engender fundamental changes to the social fabric of the South. When President Rutherford B. federalism debate that had been an issue since the 1790s almost mediately . Hayes removed federal troops from the South in undigested, former Confederate officials and slave returned to With the support of a conservative Supreme Court, these newly empowered white southern politicians passed black codes, voter qualifications, and other anti-progressive legislation to reverse the rights that blacks had gained during Radical Reconstruction. The U.S. Supreme Court bolstered this federalism anti-progressive movement federalism  with decisions in the Slaughterhouse Cases, the Civil Rights Cases, and United States v.

Learn more about Reconstruction on:

brainly.com/question/24761999

#SPJ4

The mystery hamster's parents are most likely the hamsters from Test Two, who both had the genotype Ff. This is supported by the fact that one of the offspring from Test Two had short fur, which matches the phenotype of the mystery hamster.

The genotype for long fur (F) is dominant over the genotype for short fur (f).

The genotype for short fur (f) is recessive to the genotype for long fur (F).

If a hamster has short fur, its genotype must be ff.

If a hamster has long fur, its genotype could be either FF or Ff.

The data supported the hypotheses as follows:

Test One: The data supported the hypothesis that if both parents have the genotype FF or Ff, all offspring will have long fur.

Test Two: The data did not support the hypothesis that if both parents have the genotype Ff, half of the offspring will have short fur and half will have long fur. Instead, only one of the four offspring had short fur, while the other three had long fur.

Test Three: The data supported the hypothesis that if both parents have the genotype ff, all offspring will have short fur.

Learn more about dominant traits at: https://brainly.com/question/16616523

#SPJ1

The correct statement is: They do not assort independently and do not produce Mendelian ratios for crosses tracking two or more genes.

Linked genes are genes that are located close to each other on the same chromosome.

Unlike genes that are located on different chromosomes, linked genes tend to be inherited together as a result of their physical proximity. This means that they do not assort independently during meiosis, breaking the principle of independent assortment proposed by Gregor Mendel.

When two or more genes are linked, their inheritance does not follow the expected Mendelian ratios observed for unlinked genes.

In Mendelian genetics, genes located on different chromosomes segregate independently into gametes and produce predictable ratios in offspring.

However, linked genes tend to stay together and are less likely to undergo recombination, resulting in deviations from Mendelian ratios in crosses involving multiple linked genes.

The phenomenon of genetic linkage and its impact on inheritance was one of the key discoveries in genetics that provided evidence for the existence of chromosomes and helped develop the concept of genetic mapping.

To know more about "Mendelian ratios" refer here:

https://brainly.com/question/31553594#

#SPJ11

1. Hypsodont teeth: Hypsodont teeth are characterized by having a high crown and limited growth, which allows for continuous wear and makes them suitable for grinding rough, fibrous plant material.

2. Dental formula: The dental formula is a shorthand notation used to represent the number of each type of tooth present in an animal's jaw. It indicates the number of incisors, canines, premolars, and molars in one side of the upper and lower jaws.

3. Digitigrade: Digitigrade locomotion is when an animal walks on its digits (toes), with the heel and wrist elevated off the ground. This is commonly seen in animals like cats and dogs.

4. Selenodont dentition: Selenodont dentition refers to teeth with crescent-shaped ridges on the grinding surface, which is typically found in some herbivorous mammals like deer and cows.

5. Fossorial: Fossorial animals are those that are adapted for digging and living underground, such as moles and certain types of rodents.

6. Odontoceti: Odontoceti is a suborder of cetaceans (whales, dolphins, and porpoises) that have teeth instead of baleen plates. Examples include dolphins, porpoises, and sperm whales.

7. Precocial: Precocial animals are those that are relatively mature and mobile from the moment they are born or hatched. Examples include ducks, chickens, and ungulates.

8. Carnassials: Carnassials are specialized teeth found in carnivorous mammals that are adapted for shearing flesh. They consist of a modified upper premolar and a lower molar.

9. Tragus: The tragus is a small, pointed, cartilaginous flap in front of the external opening of the ear, which is present in many mammals.

10. Saltatorial: Saltatorial locomotion refers to jumping or hopping movement, which is commonly seen in animals like kangaroos and rabbits.

Regarding Section 2, the question is not clear enough to provide a matching answer. Please provide more context or specific characteristics that need to be matched with the cetacean species mentioned.

To know more about "Locomotion" refer here:

https://brainly.com/question/15975093#

#SPJ11

Answer: C.the number and variety of species that live in an area

Explanation:

I hope that was useful

The carrying capacity is impacted by both biotic and abiotic processes. The carrying capacity develops as these conditions improve. The carrying capacity decreases as the factors grow scarcer. When resources are depleted faster than they are replaced, the species has reached its carrying capacity.

The average population size of a species in a given habitat is referred to as carrying capacity.

Environmental considerations such as appropriate food, shelter, water, and mates limit the species population size.

The carrying capacity is impacted by both biotic and abiotic processes. The carrying capacity develops as these conditions improve.

The carrying capacity decreases as the factors grow scarcer. When resources are depleted faster than they are replaced, the species has reached its carrying capacity.

Thus, in this way abiotic factors and biotic factors affect population growth.

For more details regarding carrying capacity, visit:

https://brainly.com/question/2375972

#SPJ1

In rocks with a similar age, scientists have discovered trilobite fossils of plant and animal species. The coastlines of many continents were home to these rocks. The continents may have formerly been connected.

Trilobites left a significant fossil record due to their great diversity and easily petrified exoskeleton. Their fossils have made significant contributions to paleontology, evolutionary biology, biostratigraphy, and plate tectonics.

There are thousands of recognized species of trilobite fossils, which are discovered all over the world. Trilobites provide great index fossils because they evolved quickly and shed their skin like other arthropods, allowing geologists to determine the age of the rocks in which they are located.

Learn more about fossils here:

https://brainly.com/question/2288828

#SPJ4

Answer:

B. secondary

Explanation:

The Bisti Badlands were inhabited by a wide variety of creatures during the late Cretaceous, including turtles, crocodiles, and possibly dinosaurs.

Many of the species that live on Earth now existed in some form during the time of the dinosaurs. It is a humble and intriguing story to see how these animals have evolved over the course of millions of years and have managed to survive the KT extinction event, from chickens to lobsters, sea turtles to frogs, and bees to starfish. Prior to the K-Pg extinction catastrophe, which killed out the dinosaurs, scientists assert that ancient turtles coexisted with dinosaurs about 110 million years ago. Archosaurs include crocodilians, extinct dinosaurs, and pterosaurs.

To know more about extinction refer :

brainly.com/question/26258712

#SPJ4