6. What are four main principles to the theory of natural selection?

Answers

Answer 1

Answer:

variation, inheritance, selection and time


Related Questions

Prenatal development begins with ______ and ends with ______. Multiple choice question. organogenesis; ovulation fertilization; birth ovulation; fertilization birth; death

Answers

Fertilization; birth the second answer

When you're old enough to vote, will you be influenced by celebrity endorsements ? Why or why not?

Answers

Celebrity endorsers can influence the portion of the public (increasingly small) who otherwise do not have strong candidate preferences and pay so much attention to politics. If the celebrity has huge interest and knowledge of politics so i may get influenced.

When was celebrity endorsement started in United states?

Celebrity endorsements in the U.S.  were started in 1920, precisely a hundred years ago, with film stars publicly supporting candidate Warren G. Harding in the presidential election. From then on, many  other celebrities raised their political opinions among their fanbase for electoral candidate.

Celebrities themselves, by making an endorsement may risk losing a share of their audience and inviting public joke and anger.

For more information regarding celebrity endorsement, visit:

https://brainly.com/question/857496

#SPJ1




[tex]{\large{\red{\mapsto{\maltese{\underline{\green{\boxed{\blue{\underbrace{\overbrace{\pink{\pmb{\bf{Question:}}}}}}}}}}}}}}[/tex]




1. Why is most food digested?

A. Digestive enzymes require a variety of substrates.

B. It ensures that the diet is balanced.

C. Most ingested food molecules are large.

D. To prevent disorders of the intestine.​

Answers

1. Why is most food digested?

C. Most ingested food molecules are large.

Food is digested to break down big particles of food into smaller ones so that the absorption process takes place more efficiently.

Answer:

C

Explanation:

As food molecules are very large during intake, they cannot be absorbed by the small intestine as macromolecules. They need to broken down into smaller molecules for absorption to take place.

Which of the following hereditary conditions is characterized by excessive sebum production?

Answers

Answer:

a.c.n.e (join the letters together without full stops. i need to type like this as brainly does not allow me to type that word)

Explanation:

An excess of sebum combined with dead skin cells can block pores and cause blemishes such as blackheads and pimples.

What are the 3 layers within this organ?

Answers

Answer:

the epidermis, dermis, and the hypodermis

Explanation:

Place each description in the correct category.
represented by symbols
made of one type of atom
represented by formulas
cannot be broken down
can be chemically broken down
made of two or more types of atoms
Elements
Compounds

Answers

Answer:

The elements will break down into moister, h20

Explanation:

Solar radiation bounces off of a polar ice cap, then goes into the atmosphere where it remains trapped. Which statement best describes this situation?

The radiation is absorbed by the ice and then reflected by the atmosphere.
The radiation is reflected by the ice and then absorbed by the atmosphere.
The radiation is absorbed by the ice and atmosphere.
The radiation is reflected by the ice and atmosphere.

Answers

Answer:

The radiation is reflected by the ice and then absorbed by the the atmosphere

Explanation:

Reflection occurs when incoming solar radiation bounces back on an object that it strikes the atmosphere

Answer: The answer is: The radiation is reflected by the ice and then absorbed by the atmosphere

Explanation: I have my ways ;>

Have a great day!

-Sunny

Hybrid offspring such as mules and zonkeys that are produced when two different, but similar species mate are not considered a true species because the hybrids are infertile. What type of reproductive isolation does this illustrate?


a. behavioral prezygotic reproductive isolation

b. gametic prezygotic reproductive isolation

c. postzygotic reproductive isolation

Answers

Answer:

I'd sat b

Explanation:

is this a question or a test or something

Four o’clock flowers can be red (RR), white (rr), or pink (Rr). If a pink flower and red flower are crossed, what will be the phenotypic ratio?

Answers

Answer:

(RR)

Explanation:

Red dominates.

what are two resources Amoeba and Paramecium need from their environment

Answers

Answer:

they are unicellular organisms

The line on which an object rotates is defined as

Answers

Answer:

An axis is an invisible line about which an object rotates, or spins.

Explanation:

ill give brain thing ​

Answers

Answer:

B

Explanation:

Bacteria are bigger and more complex than viruses, though they can still spread through the air.

How can reduced precipitation lead to limited water availability? a. reduced precipitation leads to overuse. b. precipitation is a nonrenewable resource. c. reduced precipitation is a global event. d. reduced precipitation may lead to drought. please select the best answer from the choices provided a b c d

Answers

Reduced precipitation lead to limited water availability in such a way that (D). reduced precipitation may lead to drought.

Meaning of Precipitation

Precipitation can be defined as any form of water either liquid or solid that is formed in the atmosphere and falls down to the earth as rain, snow, hail and sleet.

Precipitation is one of the major part in the global water cycle.

Precipitation is so important because it tends to determine the amount of water that is on earth and in the atmosphere.

In conclusion, Reduced precipitation lead to limited water availability in such a way that reduced precipitation may lead to drought.

Learn more about Precipitation : https://brainly.com/question/866725

#SPJ4

For anyone who answers ill give points!

Answers

Answer:

B

Explanation:

facilitated diffusion requires an ATP, which means it DOES take up energy

Select the correct answer from each drop-down menu. some vitamins are mostly found in animal-based foods, while some vitamins are abundant in plant-based foods. the best source of vitamin c is , while is naturally rich in vitamin b12.

Answers

The best source of vitamin c is strawberries.

Fish is naturally rich in vitamin b12.

What is vitamin?

Vitamins are essential substance and mostly plant base substances that needed in small quantities and are consumed by man to improve the healthy wellbeing.

Vitamins can be water soluble or fat soluble.

Therefore, The best source of vitamin c is strawberries.

Fish is naturally rich in vitamin b12.

The question is incomplete as the options are not given, below are the options below.

cheddar cheese, strawberries, lentils Second blank: fish, broccoli, peanut butter

Learn more about vitamins below.

https://brainly.com/question/1913673

#SPJ4

How do we ensure that society appreciates the full importance of plants?​

Answers

Answer:reasoning

Explanation:People will learn the importance of plants through reasoning and visual knowing that plants help provide oxygen and remove CO2 such as trees, and plants help and benefit mental help

By reasoning and spreading awareness

Plants provide us OxygenThey are responsible for rain They absorb carbon dioxide from air.

If we can spread awareness among the people about the importance then it can be successful

Laurie, after only 6 months gives birth to a daughter, allison. what are three complications that might be present in allison?

Answers

Allison could have a immature respiratory system which would give her breathing issues. She also could have immune system problems along with brain issues like a intraventricular hemorrhage(bleeding in the brain).

The study of normal tissues, or groups of cells and their surrounding extracellular materials, is called:.

Answers

Answer:

the study of tissues, or groups of cells and their surrounding extracellular materials, is called Histology.

What type of plant is this?

Answers

I believe that is a rubber plant

Hope this helps!

One simple thing that you can do to help safeguard the environment is to eat a diet consisting only of Group of answer choices secondary consumers. a mix of producers and consumers. producers. primary consumers.

Answers

In this case, you might be referring to this full question: 'One simple thing that you can do to help safeguard the environment is to eat a diet consisting only of'

secondary consumersa mix of producers and consumersproducersprimary consumers

One simple thing that you can do to help safeguard the environment is to eat a diet consisting only of a mix of producers and consumers.

What is ecosystem homeostasis?

Ecosystem homeostasis refers to the state of ecological equilibrium in a particular ecosystem.

The delicate balance between producers and consumers is fundamental to maintaining the ecosystem's health.

Producers (e.g., plants), primary consumers (e.g. herbivores), and secondary consumers (e.g., carnivores) are single players that need to interact to achieve the overall health of the ecosystem.

Loss of biodiversity due either to the lack of producers or consumers can alter the homeostasis of the ecosystem.

In conclusion, it is not possible to safeguard the environment by eating a diet consisting only of a mix of producers and consumers.

Learn more about ecosystem homeostasis here:

https://brainly.com/question/7413811

#SPJ4

Which adaptations allowed reptiles to complete their life cycles on land? an amniotic egg lungs four legs ectothermic metabolism

Answers

Answer: The amniotes are distinguished from amphibians by the presence of a terrestrially adapted egg protected by amniotic membranes. The amniotes include reptiles, birds, and mammals. A key adaptation that permitted reptiles to live on land was the development of scaly skin. I hope this helps

Explanation:

Select the correct answer from each drop-down menu. complete the paragraph based on this food chain: polar bears feed on seals. so, polar bears and seals share a . climate change has caused ice caps to melt in colder regions where polar bears live. this change has made it harder for polar bears to successfully hunt seals. this situation will lead to .

Answers

Extinction occurs due to the climate change in the polar regions of the earth.

What is the effect of climate change on polar regions?

Climate change causes melting of ice caps in colder regions where polar bears live. This change has made it harder for polar bears to successfully hunt seals. This situation will lead to extinction of polar bears in this location because they can't get their food which leads to their death.

So we can conclude that extinction occurs due to the climate change in the polar regions of the earth.

Learn more about climate here: https://brainly.com/question/17922964

#SPJ4

Answer:

- prey-predator relationship

- increased biomass in the quaternary level

Explanation:

:)

The gradual process during which glucose is broken down to release energy

Answers

Answer:

If the energy in glucose was released at once, most of the energy would be lost as light and heat. The light and heat could harm or even destroy the cell. The gradual process of cellular respiration allows the cell to control the release of energy into packages of ATP that can be used efficiently for cell activities.

Explanation:

how animal husbandry affects society

Answers

It affects society by taking causing conflicts from farmers and animal rights activists lol not exactly like what I said but you know something similar

HELP ME ASAP PLEASE ANSWER
Four o’clock flowers can be red (RR), white (rr), or pink (Rr). If a pink flower and red flower are crossed, what will be the phenotypic ratio?
100% pink
50% red, 50% pink
100% Rr
50% RR, 50% Rr

Answers

Rewrite what's noted

Red(RR)white(rr)Pink(Rr)

As pink and red are crossed white is out of business.

So

Share will be halved

50% pink :50% red50% Rr:50% RR

Option D

Which organelle regulates what enters and exits the cell.

Answers

Answer:

The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment

The cell membrane consists of a lipid bilayer that is semipermeable. The cell membrane regulates the transport of materials entering and exiting the cell

What is a pathogen?………..

Answers

Answer:

A pathogen is defined as an organism causing disease to its host, with the severity of the disease symptoms referred to as virulence. Pathogens are taxonomically widely diverse and comprise viruses and bacteria as well as unicellular and multicellular eukaryotes.

A pathogen is an organism that causes disease.

Explanation:

A pathogen is usually defined as a microorganism that causes, or can cause, disease. We have defined a pathogen as a microbe that can cause damage in a host.

How does meiosis reduce the number of chromosomes contained in a cell?
A. The cell divides once without replicating first.
B. Meiosis is a two-step process, and the cell divides twice.
C. Half the chromosomes are destroyed when the cell divides.

Answers

Answer:

A

cell division makes the number of chromosomes get reduced to only a half of the original

Answer:

B Meiosis is a two-step process, and the cells divide twice

Explanation:

Tried A on my test and was wrong. B was correct

Although both humans and bacteria have ribosomes, streptomycin—which blocks ribosome function—does not harm a human who ingests it. Why?.

Answers

Streptomycin does not harm a human who ingests it because bacteria have different ribosomal units.

What is a ribosome?

Ribosomes are organelles used by cells to synthesize proteins, it is for that reason that they are called protein factories.

Ribosomal units are different in eukaryotic cells (e.g. human cells) compared to prokaryotic cells and they do not bind to streptomycin in eukaryotes.

In conclusion, Streptomycin does not harm a human who ingests it because bacteria have different ribosomal units.

Learn more about ribosomes here:

https://brainly.com/question/11322546

#SPJ1

What changes occur in the gastric chyme(mixture of food inside stomach) when it passes to duodenum?​

Answers

Answer:

Explanation:

Chyme passes from the stomach into the duodenum. There it mixes with bile and pancreatic juices that further break down nutrients. Finger-like projections called villi line the interior wall of the small intestine and absorb most of the nutrients.

Other Questions
Question content area topPart 1 compares the heights of two plants to see which plant grows more per day. The table shows the height of Plant 1, in centimeters, over 5 days. The graph shows the height of Plant 2, in centimeters, over 10 days. says that since Plant 1 grows cm per day and Plant 2 grows cm per day, grows more per day. Answer parts a and b. Guys, Please Help me Fast How to calculate magnitude of tension if given an angle of 10 Find fifth roots of 4-4i Based on the paragraph, who is the target audience for this presentation? a general audience a panel of teachers a group of sports journalists a group of professional athletes why did dred scott argue that he should be freed from slavery? question; both trypanosoma and plasmodium are different in .......a) type of nucleusb) ability to move c) mode of nutritiond) phylum they belong to Dan's car depreciates at a rate of 9% per year.By what percentage has Dan's car depreciated after 4 years?Give your answer to the nearest percent. Ella = she correct incorrectmi = i correct incorrect Multiplication and dvision which number sentence is true? a. b. c. d. Dna is made of chains of four smaller molecules called. There are various consumer groups that influence how fashion evolves and is perceived, such as fashion leaders, fashion followers, and the fashion-conscious. Differentiate between a fashion leader, a fashion follower, and a fashion-conscious person. Write a note describing their fashion preferences and explain the reasons they belong in their respective group. se a model to solve: (3 points)two sevenths plus three sevenths plus one seventh equals Fill in the blank a. Blockade f. Iron Curtainb. Isolated g. Hostilec. Dictatorship h. NATOd. Warsaw Pact i. Necessitiese. Berlin Airlift j. Casualties Which pronouns act as the object in a sentence? The area of a gym is 3,403 m squared. If the width of the gym is 41 m, what is the length of the gym?Type your numerical answer below (without units). If necessary, round to the nearest whole number. CHOOSE A MYSTERY FRACTIONTHEN WRITE 3 TO 5 QLUES FORA CLASSMATE TO USE TO GUESSYOUR FRACTION. can you guys please help me on this question Whats the area of the field and I need a step by step explanation. Thanks you and have a great day The perimeter of an isosceles triangle is 4 times the length of the shortest side. The longer sides are 4.5 ft longer than the shortest side. What is the length of each side of the triangle?