Scientists often use the analogy of a tree to describe the history of life on Earth. All organisms alive today, including archaea, bacteria, and eukaryotes, can trace their development to the same common ancestor or set of ancestors, which forms the base of the tree. Which statement provides the strongest evidence for the conclusion that all living things share common ancestry?

a. All living things perform either cellular respiration or photosynthesis

b. All living things use DNA as a genetic code to transmit information

c. All living things have vestigial structures that are remnants of structures found in ancestral species.

d. All living things are made of cells with approximately the same composition, size, shape, and function

Answers

Answer 1

Answer:

B

Explanation:

DNA contains the instructions needed for an organism to develop, survive and reproduce. To carry out these functions, DNA sequences must be converted into messages that can be used to discover history of a living organism and to produce proteins, which are the complex molecules that do most of the work in our bodies


Related Questions

please help me thank you

Answers

Answer:

3. A 2. B. 1. B

Explanation:

Im not to sure about 1. but other than that your good sorry if this didn't help

6. Potential energy converts to Kinetic energy and Kinetic energy will convert to
Potential energy. Why does the total energy stay the same? *
The energy is not being created or destroyed: only transformed.
Total energy does not stay the same as some is always lost as heat.
Ο Ο
Energy stays the same because the energy has no where to go but in a system.

Answers

Answer:

The total amount of energy and matter in the Universe remains constant, merely changing from one form to another. ... Once the potential energy locked in carbohydrates is converted into kinetic energy (energy in use or motion), the organism will get no more until energy is input again.

If a telescope could zoom even further in, and look beyond the hdf , what do you think they would see?

Answers

more stars & new things

Which space telescope is used to see distant objects?

The Hubble Space Telescope, often known as HST or Hubble, is an observatory that was put into low-Earth orbit in 1990 and is still in use today.Although it wasn't the first space telescope, it is one of the biggest and most useful ones. It is famous for being both an essential scientific tool and a public relations success for astronomy.The only telescope made with astronaut maintenance in mind is Hubble. Five Space Shuttle trips have been used to replace, improve, and repair the telescope's systems.Since Hubble is orbiting outside of Earth's distorted atmosphere, it can take extraordinarily high-resolution pictures with a lot less background light than ground-based telescopes can.

The Hubble telescope and other space telescopes can be used to zoom at distant objects.

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Which of these processes does NOT occur as part of the cell cycle in animal cells? ​

Answers

What are the answer choices?

When biologists talk about a population of organisms, they are referring to
A) all the organisms in a particular area
B) all the organisms all over the world
C) all the organisms of one species in a particular area
D) all the organisms of one species all over the world

Answers

Answer:

C because it couldn't be D

When biologists talk about a population of organisms, they are referring to all the organisms of one species in a particular area. Therefore, option (C) is correct.

A population is a group of individuals of the same species living in a particular geographical area and capable of interbreeding. This means that they share a gene pool and can produce fertile offspring. The size and characteristics of a population can be influenced by various factors, such as environmental conditions, competition for resources, predation, and disease.

Studying populations is essential for understanding how ecosystems function and how they may respond to changes in the environment or human activities, such as habitat destruction or climate change.

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In order to maintain a high level of performance, what types of foods do you think an athlete should eat right before a race? Select one.
please help


foods high in fiber



foods high in protein


foods high in starch


Explain your reasoning.

Answers

Answer:

B.

Explanation:

foods that are high in protein have the ability to give you more endurance and energy

Why do scientists think that Greenland's climate was warm and moist 80 million years ago?

Answers

I don’t know I just need points
because of fossils of magnolias and palm trees found there

How does the inheritance of dominant traits differ from the inheritance of recessive traits?

Answers

Answer:

Dominant traits are more visible than recessive traits

Which of the following events takes place during a single rotation of Earth?

A.
a complete day-night cycle

B.
a complete cycle of four seasons

C.
the passing of 12 hours

D.
a total of 365 revolutions

Answers

Answer:

A

Explanation:

Answer is option one, or A

One condition in the body that needs to be controlled is the level of
water. Give one other condition in the human body that needs to be
controlled.

Answers

Answer:

Levels of electrolytes, blood sugar, temperature etc

True or False
A chloroplast consists solely of a football shaped container of chlorophyll.

Answers

The answer is False :)

What is the largest geographic area that contains all the
ecosystems on Earth called?

Answers

Answer:

biosphere is the answer

Biosphere is the answer.

All of the following are properties of nonmetals EXCEPT —

Answers

Answer:

the answer is the first one

The arthropods with three body sections, three pairs of legs, and one or two pairs of wings are the

Answers

Answer:

Insects

Explanation:

Insects are arthropods that have three body segments, three pairs of legs, one pair of antennae, and many have one or two pairs of wings. The three body sections are called the head, the thorax, and the abdomen. Wings and legs are attached to the thorax, the middle section.

Answer:

incet

Explanation:

Convection currents transfer thermal energy ____.
a. as a result of buoyancy
b. from warmer regions to cooler regions
c. between continents
d. from cooler regions to warmer regions

Answers

Convection currents transfer thermal energy ( from warmer regions to cooler regions. )

please help meeeeeeeeeeeee

Answers

Answer: H2O

Explanation:

The reactants are everything on the left of the arrow and the products are everything on the right of the arrow.

There is only one product on the right which is H2O.

Answer:

i do not remember this for the life of me and i was so good, i believe the answer is water would be a product, and the equation is balanced

Explanation:

What was scientific racism seen in the eugenics movement

Answers

Answer:

The Eugenics Record Office also maintained there was clear evidence that supposed negative family traits were caused by bad genes, not racism, economics or the social views of the time.

Explanation:

Plz ANWSER BOTH
10. If the Moon were directly over the North Pole, what would you expect the tide
to be like along the equator?*
high tide
low tide
O neap tide
Ospring tide
11. A coastal town will experience --- high tides per day.*
one
o
two
three
ОО
four
M

Answers

Explanation:

first one is be the second one is d

1.
Large sharks eat many other marine life animals. The sharks and the animals they eat are all part of which level of organization?

Answers

Answer:

These sharks eat small fishes that come to the level 2 and small planktons as level 1

Explanation:

Can you pick out the statements that are true; statements that support the influence of the Sun and the Earth? [Multi choice]

A) Spring tides are the largest tides due to the combined influence of the Sun and the Moon.
B) The sunspot cycle results in ice ages on Earth.
C) Solar flares disturb some radio communications here on Earth.
D) Geomagnetic storms on the Sun can damage to Earth-orbiting satellites.
E) The Sun's gravity is responsible for the planets' orbital path.

Answers

Answer: This is the answer, look at attachment

Answer:

took the quiz

Explanation:

Standing on a diving board kinetic energy or potential energy

Answers

while standing on the diving board you'd have potential energy. after jumping you'd have kinetic energy.

Buford is arguing that genetically modified (GM) food crops have many benefits, and that they should continue to be raised. Which of the following statements provides the STRONGEST evidence in support of Buford’s argument?

a. In many cases, pest-resistant GM plants still require the use of insecticides.

b. GM plants incorporate genes that they never would have obtained naturally.

c. GM foods have been widely available for two decades, and no safety issues have
been reported.

d. Genetic technology is increasing the number and variety of plants that are raised for
food.

Answers

Answer: D.

Explanation: Buford is saying that it has many benefits and the only answer that supports it is d.

What is the definition of an oocyte

Answers

Answer:

Oocyte: A cell in a ovary which may undergo meiotic division to form an ovum

an immature egg cell of the animal ovary; in humans, one oocyte matures during the menstrual cycle, becoming an ootid and then an ovum, while several others partially mature and then disintegrate.

HELPPP!!!!!!!........

Answers

Answer:

i think the answer is...some bacteria avt like devomposer & recycle......

First option I think

What elements are needed to carry out photosynthesis? Select all that apply.

Answers

Answer:

You need carbon dioxide, sunlight, and water.

Explanation:

Answer:

1.

1.Light or photochemical reactions.

They require the presence of sunlight, which is transformed into chemical energy usable by organisms in the form of ATP, these reactions occur in thylakoids, and for their more detailed study, photochemical reactions are classified as cyclic photophosphorylation and non-cyclic photophosphorylation.

2.Carbon fixation reactions or reactions in the dark.

They require or not the presence of sunlight, and they are reactions that will occur in the stomata.

3.Chemosynthesis.

They take inorganic compounds and O2 from the environment and combine them inside their cells and as a result of these reactions energy is released (exergonic reactions) applying it in the synthesis of ATP (endergonic reactions), forming inorganic by-products.

Biological importance of photosynthesis:

Photosynthesis is surely the most important biochemical process in the biosphere for several reasons:

1. Every year some 200,000 million tons of carbon is used in the photosynthetic process.

2. The synthesis of organic matter from inorganic is carried out mainly through photosynthesis; that will go from some living beings to others through the food chains.

3. Produces the transformation of light energy into chemical energy, necessary and used by living beings.

4. Oxygen is released, which will be used in aerobic respiration as an oxidant.

5. It is the cause of the change produced in the primitive atmosphere, which was Anaerobic and reductive.

6. The energy stored in fossil fuels such as Coal, Oil, and Natural Gas also depends on it.

7. It is responsible for maintaining the necessary balance between Autotrophic and Heterotrophic beings.

8. During the process, dioxygen is released into the atmosphere, which implies:

Which is NOT true of magnetic
domains?
A. Magnetic domains are groups of aligned
atoms.
B. Magnetic domains are too small to be seen.
C. Magnetic domains are outside of a magnet.

Answers

C. Is the wrong one

How might the increase of volcanic eruptions affect Earth?

A. It might produce more ozone in the atmosphere


B. It might decrease temperature across Earth


C. It might increase the carbon dioxide in the atmosphere


D. It might cause the Earth’s surface to absorb more oxygen.

Answers

If enough ejecta (mainly ash) is sent into the upper atmosphere, the dust particles will block solar energy causing a decrease in temperature. This has happened in the past. Look for the year without summer caused by a volcanic eruption.

DOES ANYONE KNOW 10?

Answers

Answer:

Disjunction

Explanation:

Orbital Wave
is a orbital wave in which particle of the medium move in closed circles as the wave passes?

Answers

Answer:

Yes, It is.

Explanation:

Orbital Wave:

A progressive wave in which particles of the medium move in closed circles.

why photosynthesis is important​

Answers

Answer:

It is important because plants would not be able to produce food for themselves, so the plant would die. Animals that feed on plants would not be able to survive, and animals that feed on other animals would die too because they would not have any food.

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