"The ancestor of today's anteaters lived among many creatures who
ate ants, but the ancestor, through random variation, had a longer
tongue and was able to more easily catch ants. It thrived, produced
more offspring, and outcompeted the others with shorter tongues."Lamarck or Darwin?

Answers

Answer 1

This scenario is described in the style of Charles Darwin's theory of evolution by natural selection.

What is Charles Darwin's theory of evolution?

Charles Darwin's theory of evolution is the idea that species change over time through the process of natural selection. This theory was first presented in Darwin's book "On the Origin of Species" in 1859. According to the theory, species evolve through the gradual accumulation of small variations in their characteristics, which give some individuals an advantage in survival and reproduction.

Over time, these advantageous variations can become more widespread in a population as individuals with these traits pass them on to their offspring. This process is known as natural selection. The theory of evolution by natural selection provides a scientific explanation for the diversity of life on Earth, and it is widely accepted by the scientific community as one of the most well-established scientific theories. It has had a profound impact on many areas of science, including biology, genetics, and ecology, and it continues to shape our understanding of the natural world.

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Related Questions

why can it take soil thousands of years to form

Answers

A: We say that it takes 500 to thousands of years to create an inch of topsoil. The reason is that soil is often derived from rock. The rock has to be broken into small pieces first. This happens by physical weathering: things like freezing and thawing in colder climates, and chemical weathering in warmer climates.

7. A man sitting outside a restaurant on a park bench is smoking a cigarette while reading a newspaper. Which answer best describes the mutagen to which the man is exposed?
O The newspaper
The cigarette
The oxygen he is breathing
The park bench​

Answers

the cigarette, tobacco is a mutagen because of the affect

Why is it important to know the average mutation rate when using DNA comparisons to determine
how long ago lineages split?

Answers

Answer:

mutation rates can be used to design molecular clocks in order to estimate divergence times among species  

Explanation:

In evolutionary biology, the substitution rates (also known as mutation rates) are used for the development of 'molecular clocks' which allow estimating the divergence times among species or among taxonomic groups. Molecular clocks can be designed by estimating the divergence rate of nucleotide sequences (either DNA or RNA) and amino acid (protein) sequences. These substitution rates can also be used to track how quickly viruses evolve (for example, in a pandemic situation).

In which soil horizon do we find organic material?

Answers

Answer:

We can find organic material in

Top soil

Hope it will help :)

What is a simple diffusion?

Answers

Answer:

movement of a solute from an area of high concentration to an area of low concentration

Explanation:

Which gland is located closest to the human brain?
A The thyroid
B The pituitary
C The adrenal
D The ovaries

Answers

Answer:

B. The pituitary gland

Explanation:

Can't be the ovaries, they're down by the hips!

Can't be adrenal glands, they're on top of the kidneys!

Can't be the thyroid, that's low on the front of the neck or something like that!

It's B, the pituitary; it's on the base of the brain.

Have a great day!

Which of the following statements is NOT part of the cell theory? a All cells originate from other cells. b The most basic component of any organism is the cell. c All living things are made up of one or more cells. d All cells have a nucleus and a cell membrane.

Answers

Answer:

d) All cells have a nucleus and a cell membrane.

Explanation:

Prokaryotes do not have a nucleus

All cells have nucleus and cell membrane

I need help on these questions please.

Answers

You need to read the article

PLEASE HELP!!!!! I NEED PERSON GOOD WITH AP BIOLOGY!! I WILL GIVE BRAINLIEST PLS!!!

Answers

Answer:

if crossing over does not occur, the products are parental gametes. If crossing over occurs, the products are recombinant gametes. Meaning they are mixed.

Explanation:

If crossing over doesn't occurs then you wouldn't really mix the 2 parental alleles so you couldn't have a genotype without mixing.

Sorry if im wrong!

Which of the following is a macronutrient?
A) iron B) boron C) Calcium D) Manganese

Answers

C. calcium is your answer

keep it cool ansd answer my question if u can! :))

Answers

Hind legs, D. Hope this helps!

Which configuration and conditions helped the perfume molecules diffuse better?​

Answers

Answer:

Higher temperatures increase the energy and therefore the movement of the molecules, increasing the rate of diffusion

Explanation:

As the density of a solvent increases, the rate of diffusion decreases. yep i know

Are physical characteristics of an organism not genetically passed down?

Answers

That is false. Physical characteristics of an organism are genetically passed down.

—Evidence—

A characteristic that an organism can pass on to its offspring through its genes.

The set of information that controls a trait; a segment of DNA on a chromosone that codes for a specific trait.

Heredity is the biological process responsible for passing on physical traits from one generation to another.

A mouse are 380 calories worth of cherries. A fox catches it . How many calories does the fox obtain?

Answers

Answer:

The correct answer would be - 38 calories.

Explanation:

design your own, you can use the Browse feature to attach and upload your document. 5. Design your own experiment based on one of your questions from question 1, above. Include the question, hypothesis, independent and dependent variables, and safety precautions. 6. What are three major branches of Earth science?​

Answers

Answer:

three major branches of earth science are Geology, oceanography, meteorology.

Can someone please help me please

Answers

Answer:

I think so answer is D

Explanation:

I hope it helps you

Pl Mark brainlist answer

____is a restriction to the flow of electrons

Answers

Answer:

Impedance.

Explanation:

Conductors allows the flow of electrons and Impedance restricts it.

Subduction zones occur along
a. divergent boundaries.
b. convergent boundaries.
c. transform boundaries.
d. in the middle of plates, above hot spots.

Answers

Answer:

B, porque es la mejor respuesta de la pregunta

ILL GIVE YOU BRAINLYIST

Answers

Answer:

d

D

D

D

D

D

Explanation:

DD

D

D

D

D

D

how can we control bacterial disease?​

Answers

Answer:

Bacterial diseases are treated with antibiotics. Antibiotics work by killing the harmful bacteria or by stopping them from reproducing and spreading. Different types of antibiotics are effective for treating specific types of bacteria.

Explanation:

Answer:

by using antibiotics, antibiotics are harvested from fungi because they have a gene that kills the bacteria, i think it only works on bacterial infections, most of the antibiota said are used on animals and live stock.

Explanation:

harles Darwin had a hobby of ______________ domestic pigeons.

Answers

Answer:

breeding

Explanation:

please give brainlest need 2

You do a serial dilution in the same manner as the one in the video. A plate with a sample volume of 10-6 mL produced 43 colonies. What was the original cell density (CFU)?

Answers

Answer: 43 x 10^6  CFU.

Explanation:

Plate count is a method used to determine the number of viable microorganisms in a sample. When the bacterial concentration is high, serial dilutions are carried out in a 1:10 sequence. Then, the dilutions are successive dilutions keeping the dilution factor constant at each step. Small aliquots of these dilutions are seeded in medium contained in a Petri dish where the bacteria grow forming colonies. Then the plates are incubated and colonies develop both within the agar and on the surface.

If the concentration of the seeded aliquot is too high, the bacteria will grow too much and it will not be possible to distinguish the colonies. However, if the concentration is very low, the number of colony forming units (CFU) may be very low and thus can be counted.

Colony forming units are calculated:

CFU = Number of colonies / (volume seeded on the plate * dilution).

The dilution is 10^-6, the number of colonies counted is 43, and usually the volume plated is 0.1 mL, so we replace that in the equation:

CFU= 43 / (0.1 mL * 10^-6)

CFU= 43000000 = 43 x 10^6

process of gathering information about events or processes in an orderly way

Answers

Answer:

Observation is the process of gathering information about events or processes in an orderly way

How would the presence of cilia, flagella, and pseudopods improve the chances of survival of a unicellular protist?

A.
by increasing the likelihood of obtaining nutrients

B.
by increasing the rate of water exchange

C.
by decreasing the rate of cell division

D.
by decreasing the energy needs of the organism

Answers

Answer:

i really dont know but I need the answer too  :(

Explanation:

The presence of cilia, flagella and pseudopods improve the chances of survival of a protist by increasing the likelihood of obtaining nutrients. Thus, the correct option is A.

What is locomotion?

Locomotion is the basic act or ability of something to transport or move itself from one place to another. Many protist species have the presence of some type of locomotory organelles on their body which are easily visible under a light microscope. A protists can move by gliding or floating, and by use of organelles such as flagella or cilia.

Protists use these locomotory organelles to find food, a mate, a suitable habitat or to survive and escape form the predators. Types of Movements involved in locomotion include axial and appendicular.

Therefore, the correct option is A.

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PLS HELP ILL MARK BRAILIEST
Spend one minute writing an explanation of
the FUNCTION of enzymes. YOU MUST USE
THE WORDS CATALYST, ACTIVATION
ENERGY, RECYCLABLE

Answers

Like all catalysts, enzymes work by lowering the activation energy of chemical reactions. Activation energy is the energy needed to start a chemical reaction. This is illustrated in Figure below. The biochemical reaction shown in the figure requires about three times as much activation energy without the enzyme as it does with the enzyme.

The reaction represented by this graph is a combustion reaction involving the reactants glucose (C6H12O6) and oxygen (O2). The products of the reaction are carbon dioxide (CO2) and water (H2O). Energy is also released during the reaction. The enzyme speeds up the reaction by lowering the activation energy needed for the reaction to start. Compare the activation energy with and without the enzyme

Answer:

Enzymes help speed up chemical reactions in the human body. They bind to molecules and alter them in specific ways. They are essential for respiration, digesting food, muscle and nerve function, among thousands of other roles.

What is the function of an enzyme? They allow chemical reactions to occur at normal body temperature fast enough to sustain life. They reduce the activation energy needed to start a chemical reaction.

There are four steps in the process of an enzyme working. (1) An enzyme and a SUBSTRATE are in the same area. The substrate is the biological molecule that the enzyme will work on. (2) The enzyme grabs onto the substrate with a special area called the ACTIVE SITE.

There are four steps in the process of an enzyme working. (1) An enzyme and a SUBSTRATE are in the same area. The substrate is the biological molecule that the enzyme will work on. (2) The enzyme grabs onto the substrate with a special area called the ACTIVE SITE.

Enzymes create chemical reactions in the body. They actually speed up the rate of a chemical reaction to help support life. The enzymes in your body help to perform very important tasks. These include building muscle, destroying toxins, and breaking down food particles during digestion.

How do our social groups and social interactions impact our behavior?

Answers

Answer:

it makes us addict to fame and people would do anything to be higher up in the social groups

Answer:

When we interact with others, the context in which our actions take place plays a major role in our behavior. This means that our understanding of objects, words, emotions, and social cues may differ depending on where we encounter them

Explanation: Enjoy your day!

True or False

a. The sinus node generates an electrical impulse.

b. The bundle of His transfers the impulse to the AV node.

c. The fiber group stimulates only the right ventricles.

d. The cardiac cycle represents one complete heartbeat.

e. Relaxation events are referred to as diastole.

Answers

Answer:

Explanation:

A-true

B-false

C-false

D-true

E- true

Type the correct answer in the box. Spell all words correctly.
Which gas prevents the spread of fire and extinguishes it?
Blank. is a type of compressed gas that prevents the spread of fire and extinguishes it.
Help ASAP !!!

Answers

Sodium Bicarbonate which releases a cloud of Carbon dioxide gas which can prevent the spread of fire and extinguish it

Answer:

Halon

Explanation:

I got it correct on Plato

Mitosis and budding are similar beu
O
Both processes are components of sexual reproduction
The offspring produced by both are genetically diverse
In both, the genetic material comes from a single parent.
O O
Both processes are more common in animals than in plants.

Answers

Answer:

animals would be your awnser you are welcome  

Explanation:

discuss how classification system have undergone​

Answers

Answer:

The classification systems have undergone several changes with time. The first attempt of classification was made by Aristotle. He classified plants as herbs, shrubs, and trees. Animals, on the other hand, were classified on the basis of presence or absence of red blood cells.

I hope it's helpful!

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Please rewrite the following sentences using double object pronouns: If you managed people in an organization in which there were lots of hindrancestressors, what actions would you take to help ensure that your employeescoped with the stressors using a problem-focused as opposed to an emotion-focused coping strategy?(350 words) George bought a satellite TV membership from Acme TV in January. He pays $35 a month and a one-time set-up fee of $50. Gwen bought a satellite TV membership from Metro TV in January. She pays $45 a month, every month, with no set-up fees.Write an equation (using xx and yy) representing each relationship. state whether the data is continous or discrete The durations of a chemical reaction comma repeated several times Choose the correct answer below. A. The data are continuous because the data can take on any value in an interval . B. The data are continuous because the data can only take on specific values . C. The data are discrete because the data can only take on specific values . D. The data are discrete because the data can take on any value in an interval. An isotope of potassium has the same number of neutrons as argon-40.Part ADetermine the number of protons, neutrons, and electrons.Please explain dealized electron dynamics. A single electron is placed at k=0 in an otherwise empty band of a bcc solid. The energy versus k relation of the band is given by (k)=-a 8y cos (kxa/2); At 1 = 0 a uniform electric field E is applied in the x-axis direction Describe the motion of the electron in k-space. Use a reduced zone picture. Discuss the motion of the electron in real space assuming that the particle starts its journey at the origin at t = 0. Using the reduced zone picture, describe the movement of the electron in k-space. Discuss the motion of the electron in real space assuming that the particle starts its movement at the origin at t= 0. A bag of pennies weighs 711.55 grams. Each penny weighs 3.5 grams. About how many pennies are in the bag? * Now that we have removed the source of the external stimulus, what do you think will happen? a) The sensors will communicate the new condition to the control center which will stop the effectors b) The body will maintain the current stable value for body temperature c) The control center will send signals to the sensors to stop measuring the stimulus d) The body will start shivering to counter the loss of heat which bone cells are responsible for bone resorption? Do the images below represent a translation? Explain your answer. Buffer is prepared by adding 1. 00 l of 1. 0 m hcl to 750 ml of 1. 5 m nahcoo. Whatis the ph of this buffer? [ka(hcooh) = 1. 7 104] A first-mover advantage of technology leadership is thea.)competitive excitement of greater risk. b.)acquisition of new infrastructure. c.)environment of demand uncertainty.d.)cost of technology development.e.)chance to capture higher profits. What does the following generic function called foo return?function foo(){var y = 3;var x = 4;y = --x;x = y++ % x;return y;}Expert 3. Which of the following times is correctly displayed by this clock?Son las seis.Son las ocho.Son las cuatro.Son las cinco. Which of the following would a historian most likely cite as evidence in support of the authors argument in the second paragraph of the passage?The Ottoman millet system, an arrangement designed to utilize the economic contributions of non-Muslim groups within the empire while granting them limited autonomy.The Ottoman practice of devshirme, a military levy of Christian boys who would be converted to Islam and trained as Ottoman Janissary soldiers or bureaucrats in state service.The Ottoman practice of farming out the collection of taxes to local private individuals (some of them non-Muslim), because of the shortage of trained government financial officials.The Ottoman sultans powers of granting final approval for any high-ranking appointment of a non-Muslim religious leader. Which sets of data show the correct media? sort tiles into their proper categories true or false: standardization helps companies avoid stoppages from sudden breakdowns in production. If someone can explain this to me that would be amazing, I have a college algebra final tomorrow and I am rly confused. I dont know how wide to make it, if someone can explain this I will give 100 points and brainliest the aw of aoc usually decreases over the yearsTRUE OR False Physical, social, and economic access at all times to safe and nutritious food sufficient to meet dietary needs and food preferences for an active and healthy life