Two populations of a species of flightless bird became separated by a river and the birds became two different species. How would scientists be able to discover that the two species of birds share a common ancestor? Scientists can look for similarities in - a . body coverings b. genetic similarities c. food choices d.mating rituals.

Answers

Answer 1

Answer: B, genetic simularities


Related Questions

Populations can have variety, despite being made up of
the same species. If a population has different expressed
traits, this can be due to different inherited alleles. The
frogs below are the same species, but they have different
shades of green based on their inherited alleles. In a
particular environment, lighter green frogs are easier to see
by predators. Explain how natural selection could lead to a
change in allele frequency.

Answers

Answer:

The lighter frogs will be eaten and will not be able to reproduce offspring with the light green trait. Darker green frogs will be able to reproduce more dark green frogs. Eventually most/all frogs will be a darker green because they carry a trait that improves chances of survival.

Margaret tells her friends that she caught a fish called Salmo salar. What genus does the fish belong to? Explain how you know.

Answers

Answer:

Histrio?

Explanation:

Which statement BEST describes the measurements he would find in the jar, in the experiment group, B, compared with the concentrations of oxygen and carbon dioxide in the classroom air?

Answers

The provided question is incomplete as the important part and group of choices was missing, however, the correct question is given below:

In an experiment, Tony placed a potted plant under a bell jar, completely sealing the jar to the tabletop. After placing a box over the bell jar for 24 hours, he measured the concentrations of oxygen and carbon dioxide in the gas in the jar. Which statement best describes the measurements he would find in the jar, compared with the concentrations of oxygen and carbon dioxide in the classroom air?

Concentrations of both carbon dioxide and oxygen decreased.

Concentrations of both carbon dioxide and oxygen increased.

Carbon dioxide concentration increased; oxygen concentration decreased.

Oxygen concentration increased; carbon dioxide concentration decreased.

Answer:

The correct answer would be - Carbon dioxide concentration increased; oxygen concentration decreased.

Explanation:

There are two major processes respiration and photosynthesis that help in the production and utilizing the carbon dioxide and oxygen in plants. In order for your plant to grow photosynthesis is the process that converts carbon dioxide into glucose and oxygen. Photosynthesis only occurs in the daylight process so the use of carbon dioxide and producing oxygen is limited.

On the other hand, respiration is a continuous process that uses oxygen and glucose to produce carbon dioxide therefore the correct answer is Carbon dioxide concentration increased; oxygen concentration decreased

1 Control of the mosquito population helps manage outbreaks of _____.

malaria
typhoid fever
bacillary dysentery
rabies
2 Infantile paralysis is another name for _____.

polio
hydrophobia
typhoid fever
ringworm
3 Travelers to Central and South America can get vaccinations for _____.

yellow fever
rabies
meningitis
viral pneumonia

Answers

Answer:

1. Malaria

2. Polio

3. rabies

Explanation:

Hope I've helped

The control of the mosquito population helps in managing the outbreaks of malaria. Infantile paralysis is another name for polio. Travelers to the Central and South America can get vaccinations for rabies. Thus, the correct options for 1, 2, and 3 are A, A, and B, respectively.

What is Malaria?

Malaria is a serious diseases which could be a fatal disease sometimes and it is caused by a parasite that commonly infects a certain type of mosquito species which feeds on the human blood. People who get the  malaria infection are typically very sick with high fevers, shaking chills, and flu-like illness and other symptoms.

Infantile paralysis is another name used for polio. Polio is a condition which is caused by a virus that mainly affects the neurons in the spinal cord or the brain stem. In its most severe form, polio infection can lead to a person being unable to move certain limbs or joints, also called paralysis.

Therefore, the correct options for 1, 2, and 3 are A, A, and B.

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Dude why is bio so hard please help lol


During cellular respiration, glucose molecules undergo a series of reactions. This process results in the formation of up to 38 molecules of high-energy ATP per each molecule of glucose. Which is the source of the energy stored in these ATP molecules?

chemical energy originally stored in the glucose molecule

potential energy from the difference in the concentration gradients of the cell

kinetic energy generated by the chemical reactions

electric current created during the destruction of electrons in the glucose

Answers

Answer:

1.Sugar bonds

2.Transport proteins

3. Digestion

4. Oxidation

explanation

Chemical energy is stored in the bonds of sugar.

The concentration gradient of a substance across the membrane represents potential energy bcz it drives diffusion.Transport proteins aids the diffusion.

Digestion converts chemical energy into kinetic energy used by cells.

When the electrons are destroyed in the glucose,Energy contained in the bonds is released in small bursts,some of it is captured in the form of ATP .'The electrons are transferred to smaller molecules known as electron carriers.The electron carriers take the electrons to a group of proteins in the inner membrane of the mitochondrion,called the electron transport chain.As electrons move through the electron transport chain they go from a higher to lower energy level and are finally passed to Oxygen to form water.The energy released is captured as a proton gradient which powers the production of ATP.

Not 100% sure whether it's the correct answer but the concept is true 100% btw I stand to be corrected

Answer:

A. Chemical energy originally stored in the glucose molecule.

Explanation:

Lol, I feel you. Bio can be a pain, confusing and tricky sometimes.

What constitutes a "scientific name"?

Answers

Answer:

A name used by scientists, especially the taxonomic name of an organism that consists of the genus and species.

Explanation:

Hope this helps

In what organisms does alcoholic fermentation take place?

O yeast and some bacteria
O viruses
O fruit flies
O plants

Answers

Answer:

yeast and some bacteria

Which statement describes natural selection

Answers

Where is the statement?

Answer: You didn't put any statements lol

Explanation:

But basically natural selection is when organisms with the most favorable traits will survive and reproduce. (ex. there are 2 strains of bacteria - one that resists antibiotics and one that doesn't. The one that resists the antibiotics will strive and reproduce because that will be the more favorable trait that will be able to be inherited by future generations.)

As a wave nears shore, the wave height increases and the wavelength
Select one:
a. doubles.
b. stays the same.
c. decreases.
d. increases.

Answers

c. Decreases; as the wave is building up and getting taller, it is also getting narrower.

name and match the description of the phases of meiosis 1

Answers

1. DNA replication occurs
2. Homologous chromosomes pair up forming a tetrad
3. Spindle fibers attach to chromosomes
4. Spindle fibers pull chromosomes toward opposite ends of the cell
5. Two new nuclear membranes form. Two new cells are formed

what is the animal with unique characteristics? to be choosen from every other ones?

pls!! help me at least give me your ideas, what animal you most like and the reason you like it!! ​

Answers

the animal i like the most is the bald eagle and because it represents the U.S.A

How the
immune system works, explain why injecting an
antigen from a pathogen would help our immune
system create "memory" of the infection but not
cause the disease.

Answers

Answer:

Our immune system produces antibodies against that antigen of pathogen.

Explanation:

Injecting an antigen from a pathogen would help our immune system memorize the infection and protect our body from causing of the disease because our immune system produces antibodies against that antigen so when the pathogen enters our body these antibodies attack on that and prevent them of causing infection in the body so that's why injecting an  antigen has to be done from the childhood to prevent diseases.

HELP!!!

Please lmk if you can not see the attachment

Answers

Answer:

i cant see the attachment

Explanation:

Which statement is true regarding meiosis in cells?
O In anaphase I, sister chromatids are pulled apart at the centromere.
O In prophase II, homologous chromosomes are paired up in a tetrad.
O The daughter cells do not undergo cytokinesis at the end of meiosis
The products of telophase I are two haploid daughter cells..

Answers

answer : the last one is true, yeah !!

d :: the products of telophase 1 are two haploid daughter cells ..

Chromosomes finish migrating to opposing ends of the cell in telophase I. Cytokinesis then creates two daughter cells. Therefore,option (D) is correct.

What happens is telophase I?

The parent cell has two poles at Telophase I of the meiotic cycle, each with a full complement of haploid chromosomes (which still have their sister chromatids). Now, a cleavage furrow forms, separating the cytoplasm of the cell in two (a proccess ultimately called cytokinesis).

The homologous chromosomes divide into distinct nuclei during telophase I. The cell restores its nuclear membrane, deconstructs the microtubules and spindle fibers, and then initiates cytokinesis. After then, the cell enters a phase of rest known as interkinesis.

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you can only answer yes or no for each question.

Yes
No

Evaluation Question


Did you gather sufficient evidence to create your original explanation?


Does your original explanation thoroughly describe how energy and matter move through the environment under both aerobic and anaerobic conditions?


Did you research additional information about chemosynthetic organisms to revise your explanation?


Did you write an additional paragraph explaining what you learned and how it changes your original explanation?


Are your explanations clear and coherent?


Are your paragraphs free of spelling, grammatical, and punctuation errors?

Answers

i need a pic i apologize

Answer:

broo this arent even questions. just say yes

Explanation:

Elijah is learning about the Greenhouse Effect in school. He explains to his mother that the gases in the atmosphere can act similarly to the window of a greenhouse. Elijah is correct due to which of the following?

A. The gases of the atmosphere do not allow any energy to leave Earth’s surface.

B. The gases of the atmosphere form a clear and transparent solid.

C. The windows of the greenhouse are made of the carbon dioxide and water vapor.

D. The window of the greenhouse allow energy to enter but then trap some of it for recirculation.

Answers

Answer:

D

Explanation:

The green house gasses trap heat just like the windows of the green house.

PS: PLEASE DO NOT PUT A LINK I AM NOT GOING TO OPEN THE LINK IN THE ANSER SECTION! THERE ARE 4 QUESTIONS.

1. what will be the distribution pattern of a population of snakes that have no social interactions and whose prey and shelter are abundant?

a. need more information
b. randomly dispersed
c. evenly dispersed
d. clumped

2. if there are 60 cardinals in a 4 square km area, what is the population density?

a. 60 cardinals
b. 15 cardinals per square kilometer
c. 60 cardinals per square kilometer
d. 240 cardinals


3. What is the term used to describe a factor that is directly related to population size?

a. distribution pattern
b. population index
c. age distribution
d. population density

4. Which of the following describes the distribution pattern of a population of black bears that have no social interactions and whose prey and shelter are abundant?

a. randomly dispersed
b. clumped
c. need more information
d. evenly dispersed

Answers

1 is B (randomly dispersed)

2 is B (15 cardinals per square km)

3 is B (population index)

4 is A (randomly dispersed)

Which of the following organelles exist in animal cells? Select all that apply.
O Mitochondria
O Cell wall
O Chloroplast
O Vacuoles
Nucleus

Answers

Answer:

mitochondria

cell wall

According to this theory, how did mitochondria evolve?

Answers

Answer: Mitochondria evolved from endosymbiotic prokaryotes that were able to use oxygen to generate energy rich ATP. To prokaryotes then evolved into mitochondria that now power the cells of all multicellular organisms.

Explanation:

Answer:

According to this theory mitochondria evolved from bacteria and somehow became incorporated into the cytoplasm.

Explanation:

i don't know which theory ur talking about but this theory is the endosymbiotic theory

What happened when two forces act in the same direction

Answers

Answer:

They repel one another. I think

Answer:

When two forces act in the same direction a few things can happen such as...

Explanation:

If the two forces are equal then there will be no movement but it the two forces are different, one being stronger the the strong one will over power the weaker one and the motion will move against it the weaker one causing it to move in the direction of the stronger, and of course there will be a bit of resistance.

Which of the following are true about earth axis choose two correct answers. A a line that passes through earths equator B a line around which earth rotates C a line along which earth travels around the sun D a line that passes through earths north and south poles E a line from earths surface to its center

Answers

B and D. Earths axis is an invisible and imaginary line stuck in the middle of the earth. Kind of like stabbing an apple with a stick right through the middle. Then you spin that stick and the apple will spin.

How can evolutionary change in one species lead to evolutionary change in another species that it is associated with? Include an example to support your answer.

Answers

No species exists in a vacuum; every form of life on Earth interacts over time with other organisms, as well as with its physical environment. For that reason, the evolution of one species influences the evolution of species with which it coexists by changing the natural selection pressures those species face.

Evolutionary change in one species lead to evolutionary change in another species that it is associated with by adaptive mechanisms.

What is evolution?

Evolution is a process of gradual cumulative changes which occurs in organisms over a long period of time resulting in the formation of new species.

Evolution in one species results in evolution in a closely related species. For example, the evolution of resistance by trees to insect pests results in similar evolution in insect pest for development of mouth parts that enables them to feed on the plants.

Therefore, evolutionary change in one species lead to evolutionary change in another species that it is associated with.

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If the allele for an attached earlobe (e) is recessive to the allele for an unattached earlobe (E), what will be the relative frequency of e in a population?
a. It could be more or less frequent than T.
b. It could only be equally as frequent as T.
c. It could only be more frequent that E.
d. It could only be less frequent than T.

Answers

Answer:

It could be more or less frequent than T.

Explanation:

As demonstrated by the Hardy-Weinberg principle, the dominance or recessiveness of an allele does not determine its frequency in a population.

In the given scenario, the relative frequency of e in a population will be It could be more or less frequent than T. The correct option is a.

What is allele?

An allele is one of two or more DNA sequence versions at a given genomic location. For any given genomic location where such variation exists, an individual inherits two alleles, one from each parent.

The Hardy-Weinberg principle demonstrates that an allele's dominance or recessiveness does not determine its frequency in a population.

Thus, the correct option is a.

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Based on this graph, which of the following statements is incorrect?



FYI Online
1. The industrial revolution caused an increase in the rate of growth of the human population.

2. Significant events in human history can impact the growth of the human population.

3. The advent of modern medicine caused an increase in the rate of growth of the human population.

4. If the bubonic plague reemerged, only a small fraction of the human population would be affected.

Answers

it's either 1 or 4 (hfjsjhsjsjwjje)

Answer:its 4 i got it right on ow

Explanation:

What is the origin of a warm, wet air mass?

Answers

Depends where, but i say in the subtropical Pacific ocean, your other choice would be The Gulf of Mexico and the Caribbean Sea
Maritime tropical (mT) air masses are warm, moist, and usually unstable. Some maritime tropical air masses originate in the subtropical Pacific Ocean, where it is warm and air must travel a long distance over water. ... Some maritime tropical air masses originate over the Gulf of Mexico and Caribbean Sea

Original DNA strand: ATT TGA GCC
Mutated DNA strand: ATT TGA GAC C

Answers

what’s the question?
This is a sign of Addition because it add an A in between G and C

The energy in molecules has been stored in the
1.protons
2.Bonds
3.electrons
4.neutrons

Answers

Answer:

It should be 2- Bonds

Explanation:

Energy, potential energy, is stored in the covalent bonds holding atoms together in the form of molecules.

:)

If a mother is heterozygous for B blood type and a father is heterozygous for A blood type, predict the possible blood types of the offspring.

Answers

Answer:

If there were two offspring then one child will be Type B and the other will be Type A

Answer:

type AB

Explanation:

         A     a

B      AB    aB

b       Ab    ab

What process breaks glucose down to be used as an energy source?

Answers

Cellular respiration

GIVING BRAINLIEST!!!!

what is the temperature range in a desert?

Answers

Answer:

During the day, desert temperatures rise to an average of 38°C (a little over 100°F). At night, desert temperatures fall to an average of -3.9°C (about 25°F). At night, desert temperatures fall to an average of -3.9 degrees celsius (about 25 degrees fahrenheit).

Answer:During the day, desert temperatures rise to an average of 38°C (a little over 100°F). At night, desert temperatures fall to an average of -3.9°C (about 25°F). At night, desert temperatures fall to an average of -3.9 degrees celsius (about 25 degrees fahrenheit).

Explanation:i hope u have a wonderful night and stay safe

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