A laboratory investigation examined the growth rate of fruit flies in culture jars over time. The fruit flies were grown in an artificial
medium containing nutrients and moisture. They were enclosed in a culture jar of a defined size. Initially, there were ten fruit flies
in the experiment. The population reached 75 over the course of four weeks. However, after eight weeks, the population size
leveled off and then decreased. Survival of fruit fly larvae declined after eight weeks. Which hypotheses are supported by the
information in this scenario? Select ALL that apply?

A)
The older fruit flies were unable to reproduce
Scientific
Calc
B)
The carrying capacity was exceeded by the fly population
Food was abundant for the first four weeks of the experiment.
D)
The fruit flies were unable to survive in a laboratory setting
E)
The carrying capacity decreased when no new food was added to the
culture jars.

Answers

Answer 1

Answer: B, D, E

Explanation:

USA test prep said it

Answer 2

The carrying capacity was exceeded by the fly population as Food was abundant for the first four weeks of the experiment.The fruit flies were unable to survive in a laboratory setting. The carrying capacity decreased when no new food was added to the culture jars. Options B,D and E are correct.

What is the reason of choosing fruit flies ?

The reason of choosing fruit flies is because of their big growth rate along with the smaller life cycle.

The carrying capacity that is the fruit flies were able to multiply faster and faster because the food source that is the nutrition that was given to the flies was in big amount thus the cycle could continue.

Fruit flies are able to reach a limit of the growth rate when they are in natural habitat when they reach the artificial setting then they  are not able to get into the same growth rate.

The carrying capacity decreased when no new food was added to the

culture jars. With time when the nutrition source that was being added to the jars got decreased the flies stopped growth rate and reached a declining number as well.

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Related Questions

what is a genomic change based on definition?

Answers

Answer:

Genome size can increase by duplication, insertion, or polyploidization. Recombination can lead to both DNA loss or gain. Genomes can also shrink because of deletions. ... It is beneficial to an organism to rid itself of non-essential genes because it makes replicating its DNA much faster and requires less energy.

Explanation:

The study of genes and their function. Genomics aims to understand the structure of the genome, including the mapping genes and sequencing the DNA

Which of the following are associated with arthritis? HURRY PLEASE

A-inflammation of joints

B-increased range of motion of joints

C-strengthening of joints

D-degeneration of joints

Answers

Answer:

A. Inflammation of joints

Which statement correctly describes scientific knowledge!
A. It changes from place to place.
B. It is based on opinions.
C.It varies from person to person.
D. It is based on facts.

(No files)

Answers

Answer:

D: It is based on facts.

Explanation:

The reason is because science is based off of data and analsys which

which of the following is true about macromolecules

Answers

Answer:

i think A

Explanation:

A macromolecule is a very large molecule, such as a protein. They are composed of thousands of covalently bonded atoms. Many macromolecules are the polymerization of smaller molecules called monomers.

pa brainlies po pls

The statement that is true as regards macromolecule is Amino acid are bonded together to make a protein.

What are macromolecule?

macromolecule can be regarded as the big molecules which are the composition of smaller molecules.

For instance,  very large molecule, such as a protein or carbohydrates.

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Contrast the contraction of the a disease by the environmental, heredity/genetic and pathogenic pathways.

Answers

Answer:

Explanation:

Contraction of a disease by the environment, the environment is said to influence something certain traits either by amplifying them or prevent them from being expressed. Some disease tends to strive in environment that is favorable while some disease don't find expression where the environment is not conducive even though they are presents in the gene of the individual. Environment could include family, area where the individual lives, food, peer

While Contraction of disease that are heredity/genetic and having pathogenic pathways is high this is because any disease that is hereditary can be passed to successive generation through the inheritance of such gene from the parents this increase the likelihood of reoccurrence of such disease in a family where the parents has it.

Which best describes the mutations and variations that affect natural selection? 1)They are chosen Miss Zoo was watching a comedy in the movie theater. 2)They are random Professor Astro was stretching in the kitchen. 3)They are always positive. 4)The injury was not done with a fallen object. 5)They are always negative The injury was not a stubbed toe.​

Answers

Answer:

2) they are random

Explanation:

example: crossing over

Djdjsjjsjxjxjxjxjxjfj

bicycle tyres become flat when the weather is cold.Why?​

Answers

Answer:

The tires lose air pressure in the winter because it contracts. If you have 35 lbs in the summer, with 85 degrees, when it gets cold, down to -10, your air pressure can get down to about 25 lbs. So before it gets bitter cold, inflate your tires up a little. You don’t want to be putting air in your tires once it is freezing out. Sometimes the schrader valve doesn’t seat properly because of frost and the rubber seal is hard. I have had several tires go flat on me because of this.

Explanation:

What is the weather like in the Serengeti ecosystem?

Answers

Answer:

The climate in Serengeti is usually moderate and pleasant. It never gets very hot, but it is consistently cool to cold at night and in the early mornings. Don't forget to take warm clothing.

Explanation:

Serengeti's Dry season is from June to October. There are two Wet seasons. The short rains are from November to December, and the long rains are from March to May. During the Wet season, it rarely rains all day, but afternoon thundershowers can be expected.

Select all that apply.

Tragically, the United States lost astronauts in accidents involving:

Challenger
Columbia
Apollo 11
Viking 11
Vostok 1

Answers

Challenger , viking11

Meteorologists often try to predict what the high temperature of a day will be several days beforehand. Why do meteorologists not try to predict the high temperature of a day six months in the future?

A. Weather does not follow any predictable patterns.

B. Meteorologists have this information but choose not to share it with the public.

C. It is impossible to know what season it will be six months in the future.

D. Weather is a highly complicated system that is very difficult to predict.

HELP

Answers

Answer:

Its D- Weather is a highly complicated system that is very difficult to predict.

Explanation:

Weather has a pattern so A is not the answer and no way Meteorologists would keep information to themselves so not B and lastly it's not impossible but just very hard so C is out, which leaves D.

What is are local winds​ in your own words but be more detailed about what you say.

Answers

I think local winds is like somewhere where it is usually windy with high pressures. For example see breezes, land breezes, and etc.

Hope this helps!

need this answer quick please now thanks

Answers

D)

The regulation of gene expression resulting in cell differentiation is a very loaded topic. All that is important for you to know right now is that each cell contains all of the genes to become any type of cell. Each cell simply expresses or silenced genes in order to become the appropriate cell type.

Air at the equator is warm and has a ______density, which creates ________ in comparison to the air at the poles.

Answers

Answer:

Lower, low pressure

Explanation:

The temperature at equator are mostly higher than at the poles almost all times of year. This high temperature causes air at the equator to warm up quickly and thus, the air density reduces and it becomes lighter. Now, light air rises upwards. Thus, creating a low pressure region at equators. This low pressure causes the air near the poles gush towards the equator.

Hence, the blanks will be filled with the words

Lower, low pressure.

please help me please and thank you!

Answers

Answer:

Nuclear Fission

Explanation:

Answer:

Nuclear Fusion

Explanation:

Okay so I might be wrong on this so don't quote it but since it has nucleus Im thinking nuclear.

.ما مصدر الأكسجين المتفاعل مع سكر الجلوكوز

Answers

يأتي الأكسجين الذي تستخدمه الحيوانات للتنفس الخلوي من النباتات وكائنات التمثيل الضوئي الأخرى. متفاعلات التنفس الخلوي في الحيوانات هي نتاج تلك الموجودة في النباتات ، لذلك كل شيء يعمل بشكل جيد.

(أنا لا أتحدث العربية ، لقد استخدمت ترجمة جوجل لذلك أعتذر عن أي أخطاء)

Which process(es) occur in body cells (such as skin, muscle, and bone)?
Group of answer choices

mitosis

meiosis

neither mitosis or meiosis

both mitosis and meiosis

Answers

Answer:

Mitosis

Explanation:

Mitosis is how somatic—or non-reproductive cells—divide. Somatic cells make up most of your body's tissues and organs, including skin, muscles, lungs, gut, and hair cells.


Mitosis is the key ansserrrrdr

What does a cell do during mitosis?

Answers

The major purpose of mitosis is for growth and to replace worn out cells.
It works like all the other parts of the body

I need help with this one too!!!

Answers

Answer:

EE is dominant ee is recessive, the probability of the child having ee is 25 percent

How have the factors that trigger an asthma attack changed since the 1900s? As a researcher, how would you put together the clues given here to explain the emerging epidemic?

Answers

so if you look up things that can cause an asthma attack it will also show that viruses and bacteria are a cause. with asthma you lungs could already be inflamed as well as your air way wich makes it harder to breath. when you have c-19 it will inflame your lungs even more so it makes it even harder to breath given an asthma attack. more asthma attack now are probably caused by c-19 because it is all over the place and the percent of asthma attack by virus has dramatically increased.

Explain the various phase of menstrual cycle with reference to changes in ovary and uterus and hormonal cycle.

Answers

Answer:

In the follicular phase, the follicles grow inside the ovary. The ovulatory phase is the time of greatest fertility for women. In it, estrogen levels peak just before the egg is released. In the luteal phase, after ovulation the follicular structure that remains in the ovary reorganizes and becomes a gland known as the corpus luteum. The self-determined life of the corpus luteum causes it to degenerate after 14 days and end a menstrual cycle. At the end of the luteal phase, progesterone and estrogen levels drop and menstruation occurs.

Explanation:

The follicular phase is where follicles develop (fluid-filled cavities in the ovary that contain an undeveloped egg) that will eventually house the egg. For the development of follicles, the body sends a signal to the brain to start the production of follicle stimulating hormone (FSH), the follicles begin to develop and produce estrogen. In the ovulatory phase, the level of estrogen in the body continues to rise, causing a rapid rise in LH. This increase causes the secretion of proteolytic enzymes that will degrade the follicular tissue allowing the maturation process of the ovum and its release to finish, a fact known as "ovulation". Ovulation usually occurs between 24 and 36 hours after the LH surge, so luteinizing hormone is a good factor for measuring the period of maximum fertility and knowing the fertile days of the woman. In the luteal phase, the corpus luteum develops that will last until a possible pregnancy or menstruation occurs, starting the next cycle. The egg, after being released, travels through the fallopian tube to the womb. It can survive up to 24 hours and sperm up to 5 days inside the uterus, therefore the days before ovulation and the day of ovulation itself, which can be calculated with the ovulation calendar, are those of maximum fertility and higher chances of pregnancy. After ovulation, the follicle begins to contract but continues to produce progesterone and begins to produce estrogen in order to continue preparing the uterus to receive the embryo.

How is Uranus similar to Jupiter?

It has rings.
It has no moons.
It has a rocky surface.
It has methane in its atmosphere
.

Answers

Uranus and Jupiter both have rings, both have moons, but they are mostly gas planets, and both have some methane. I think id.k if that helped

Uranus is similar to Jupiter in that it has methane in its atmosphere. Therefore, the correct option is D.

What are Uranus and Jupiter?

Both Jupiter and Uranus are planets in our solar system. Jupiter, the largest planet in our solar system, is located five planets from the Sun. Uranus, the third largest planet in our solar system, is located at a distance of seven planets from the Sun.

Both planets are gas giants, with atmospheres composed mostly of hydrogen and helium. Their upper atmospheres also include methane gas, which gives them a blue-green colour. However, there are many differences between Uranus and Jupiter. Although they are much less noticeable than Saturn's rings, Uranus has a system of rings and at least 27 moons. Compared to Jupiter, Uranus is smaller and has less mass.

Therefore, the correct option is D.

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Why do you think Europeans—and especially the English—are most affected by asthma?

Answers

Answer: Asthma is one of the most frequent chronic conditions in Europe, affecting more than 30 million Europeans – a number that is still growing.

"At some stage in the future almost half of the population may suffer from an allergic disease and asthma will be a considerable proportion of this," said Nikolaos Papadopoulos, professor of allergy and pediatric allergy at the University of Athens, in an interview. He added that it is also a global phenomenon.

Asthma is a chronic disease of the airways that makes breathing difficult. An asthma attack inflames and narrows the airways that carry oxygen to the lungs, leading to coughing, wheezing, shortness of breath, and chest tightness. Its prevalence has been linked to industrial development.

Explanation: there you go UwU

3. Asexual reproduction slows evolution...explain it.

Answers

When asexual organisms evolve, they typically do so very quickly after a sudden mutation and do not require multiple generations to accumulate adaptations as do sexually reproducing populations.

^ they’re right :)))))

4. Which of the following is the most likely result of a non-native generalist species being introduced into an ecosystem?

a. Without natural predators, the species may outcompete native species.
b. The species will have no food sources and will not survive.
c. Extinction of the species will be likely throughout its range.
d. The species will cause changes in ballast water.

Answers

a. Without natural predators, the species may outcompete native species

PLS HELP ME WITH THIS

Answers

Answer:

The southern hemisphere is tilted towards the Sun at the point of the year.

Heat energy is transferred through solids, liquids, and gases. How is heat transferred throughout the world’s oceans?

Answers

Answer: Radiation, convection, and turbulent heat exchange, as well as evaporation and condensation of water vapor above the ground or ocean, transfer heat between the sea or ocean's surface and the atmosphere.

Explanation:

Heat is transferred through energy

A
is an organism that eats other organisms to gain energy; it is also called
.

Answers

Answer:

heterotroph

Explanation:

Heterotrophs are known as consumers because they consume producers or other consumers

Which of the following is the most POROUS? *

A) Ice
B) Plastic
C) Dirt
D) Concrete

Answers

Answer: Concrete

Explanation:

What are symptoms associated with female reproductive diseases and disorders?

Check all that apply.


bloating

irregular bleeding

impotence

abdominal cramps

sterility

erectile dysfunction

Answers

Answer: Bloating, irregular bleeding, abdominal cramps, sterility

Explanation:

What particle travels in electromagnetic electromagnetic wave?
A. Proton
B. electron
C. neutron
D. Photon

Answers

I looked it up and got both A and B I don’t if that helped
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