What is natural selection and how does it lead to diversity in organisms?

Answers

Answer 1

Answer:Natural selection is the process through which populations of living organisms adapt and change

Explanation: Individuals in a population are naturally variable, meaning that they are all different in some ways. This variation means that some individuals have traits better suited to the environment than others


Related Questions

In a passenger car or truck (with a manufacturers` rated carrying capacity of not more than 1,500 pounds), which of the following people must use s... - In a passenger car or truck (with a manufacturers rated carrying capacity of not more than 1,500 pounds), which of the following people must use safety belts? A. 148 feet B. 208 feet C. 264 feet D. 324 feet

Answers

Answer:

All occupants

Explanation:

It is required by the law that all passengers should always fasten their seat belt along with the requirement for belting up of all occupants of the vehicle.

Seat belt violation can attract fines of up to $250 in addition to the cost for the court to seat

Putting on safety belt ensures increased likelihood of survival of the passengers seated in front by 50% and the wearing of seat belts in combination with the presence of a protective airbag ensures the highest reduction in vehicle collision related injuries or fatalities.

What is a controlled experiment? Describe an example you could perform to determine whether ants are more attracted to Kool-Aid® or to honey.

Answers

Answer:

A scientific control is an experiment or observation designed to minimize the effects of variables other than the independent variable. This increases the reliability of the results, often through a comparison between control measurements and the other measurements.

Hope this helped a bit c;

I feel like you are able to answer the rest of this question.

What happens to the total mass of the chemicals
involved in the reaction as the reaction proceeds?
The mass decreases. After the reaction, the
solution and gas have less mass than the
baking soda and vinegar.
The mass increases. After the reaction, the
solution and gas have more mass than the
baking soda and vinegar.
The mass is the same. After the reaction, the
solution and gas have the same mass as the
baking soda and vinegar.

Answers

Answer:

The mass increases. After the reaction, the solution and gas have more mass than the baking soda and vinegar (B)

Explanation:

The mass increases. After the reaction, the solution and gas have more mass than the baking soda and vinegar (B).

What happens to the full mass of the chemical substances on the give up of chemical reaction?

In a chemical response, the overall mass of all the materials taking elements inside the reaction stays identical. also, the quantity of atoms in response remains identical. Mass can not be created or destroyed in a chemical response.

How will the mass of the system alternate as the reaction proceeds?

If a chemical reaction is finished in a closed gadget (when nothing greater can get in and nothing can escape), then the mass will stay steady. but, if the chemical reaction occurs in an open device (where air can get inside and outside), then mass might also seem to trade.

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what are two possible outcomes of heating up a certain mass of air

Answers

Answer:

Increase Temperature=

Increase Pressure

Increase Volume

Explanation:

PV=kT

Defend the use of the metric system. Why is it important for Biology students like you to get comfortable using it?

Answers

Answer:

Explanation:

Metric Units helps to make measurements and calculation a easy task.

Metric unit is a Standard system that enables result to be comoare among scientist including biology scientist when work from different part of the country.

metric system has individual unit that is few about 30 individual units that are important in some fields.

What is an educated guess that can come from a previous experiences and logical inferences?

Answers

A Conjecture: educated guess based on known information.

could u please help me im doing addison rae's pouty face :( What is the US Customary unit for weight? Pounds Miles Meters Force

Answers

Answer:

Pounds

Explanation:

I just read the full question and realized i do know the answer lol hope this helps

Answer:

the US Customary unit for weight is pounds

According to evolutionary theory, humans should be able to judge the trait of ________ more accurately than other traits that are less important for the survival of the species.

Answers

Answer:

participants in a recent study were shown and then asked to judge composite faces from targets who scored extremely low or extremely high on personality dimensions. Which two traits had the highest levels of accuracy for both female and male targets

Explanation:

WILL GIVEEE BRAINLIESTTTTTT!!!!!!!!!!! Why do scientific laws and theories change over time?

Answers

Your question has been heard loud and clear.

Well by the nature of science itself , we know that it is a rapidly progressing area . So , scientific laws are basically ideas from theories , it does not mean that it is absolute , because future research of that same topic on which the law is based , can always change and thus the theory and thus the law. So , scientific laws and theories change over time due to new phenomena and scientifc research that gives a more accurate theory than the old laws and theories.

Thank you

Which factors affect plant and animal life in terrestrial blomes?
A. Salinity
B. Precipitation
C. Dissolved oxygen
D. Season

Answers

Answer:

precipitation and season

The thoracic and sacral curvatures of the vertebral column are ________ while the cervical and lumbar curvatures are

Answers

Answer:

The thoracic and sacral curvatures of the vertebral column are convex while the cervical and lumbar curvatures are concave.

You are a molecule of carbon. Choose a starting point in the carbon cycle and describe the process you would go through to move through the entire cycle.

Answers

Answer:

My journey began when I was used as energy for plants during photosynthesis. I helped the plants, but also helped the animals who ate the plants I was in. I am glad I was able to help those animals, but I have no idea where I am now.

I had been trapped for thousands of  years it felt like. I guess the animals left me when they were done with me. Now I'm being used as some fossil fuel, and then I'll be back to starting the process.

Explanation:

I did this not even a week ago, so I'll just give you my answer

The ______ family of macromolecules are composed of carbon, hydrogen and oxygen in a 1:2:1 ratio and includes sugars, starches, glycogen, and cellulose

Answers

Answer:

The correct answer is - carbohydrates.

Explanation:

Carbohydrates are one of the major macromolecules other than protein, lipids, and nucleic acid. Carbohydrates are the macromolecules made up of carbon, hydrogen, and oxygen in the ration of 1:2:1 which means one carbon, two hydrogens, and one oxygen.

These are divided into monosaccharides, disaccharides, and polysaccharides. These are commonly known as sugars, these molecules include, glucogen, cellulose, and starches.

Thus, the correct answer is - carbohydrates.

HELP SERIOUSLY!!! Classify the hypotheses about the dwarf planet Pluto as falsifiable or non-falsifiable.

Answers

Answer:  

Non-falsifiable usually sounds like an opinion.  Therefore,

Pluto has an unpleasant climate and Pluto's landscape is dull and

   boring compared to other dwarf planets in its vicinity.  

Non-falsifiable.  Falsifiable answers are Pluto's surface is made mostly of frozen nitrogen and Pluto's orbit is slowing down due to tidal friction.

Explanation:  took test

The hypotheses about the dwarf planet Pluto can be divided into the following:

Non-falsifiable

Pluto has an unpleasant climate.Pluto's landscape is dull and boring compared to other dwarf planets in its vicinity.  

Falsifiable

Pluto's surface is made mostly of frozen nitrogen..Pluto's orbit is slowing down due to tidal friction.

What is Falsifiable and Non-falsifiable hypotheses?

The falsifiable hypotheses is one which can be refuted by tests done with

latest technology. The non-falsifiable hypotheses on the other hand can't

be refuted as tests have proven it to be true.

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What is a carbohydrate molecule

Answers

Answer:

I

Explanation:

it is an organic compound such as sugar, starch and is used to store energy

two facts about biology in the 21st century

Answers

Answer:

Some of the most important discoveries, which have occurred in the past 50 years, are bacterial insulin synthesis, gene therapy, stem cell technology, somatic cell nuclear transfer, transgenic organisms and organ transplant technology.

Explanation:

PLEASE HURRY..........A skin cell divides to make a new skin cell. Which component of cell theory does this best illustrate? All living things are made of cells. Cells are the basic unit of structure and function of all living things. All cells come from other cells. Cells are generated from nonliving materials.

Answers

Answer: Hi!

If a skin cell divides into a new skin cell, this best demonstrates the component of cell theory that all cells come from other cells. The process that this cell is going through is called mitosis, where one cell splits into two. This can occur with skin cells, toe cells, lung cells, etc. - any body cells besides reproductive cells.

Hope this helps!

Answer:

b

Explanation:

A polar bear runs at a speed of 11 m/s and has a mass of 380.2 kg. How much Kinetic energy does the bear have? *

Answers

K.E = 1/2 mv2

= 1/2 380.2×11

= 1/2×4182.2

=2091.1 J

Question 5 (1 mark)
Learning goal 2: The energy lost from food chains:

is transferred to the non-living environment

is destroyed​

Answers

Answer:

It is transferred to the non-living environment which are at new tropical level

which of the following does not affect the activity of enzymes

a. pH

b. Regulatory molecules

c. Temperature

d. proteins

Answers

proteins do not affect the activity of enzymes

Where is our sun when it at its highest in the sky

Answers

Answer:

The Sun is located at the center of our solar system, and Earth orbits 93 million miles away from it. Though massive, the Sun still isn't as large as other types of stars. It's classified as a yellow dwarf star.

A well designed experiment can only have one dependent variable?
True
False

Answers

False there may be two or more dependent variables in a well designed experiment

A well-set-up experiment is defined and concluded by the presence of the variables. There may be more than one or two dependent variables in an experiment. Thus, the statement is false.

What is the dependent variable?

Dependent variables are defined as values that are not independent of the factors rather than the conditional value that gets altered by the conditions of the experimental design. These values are supposed to be in accordance with the law and hypothesis.

An experimental design can have more than one dependent variable as it allows the hypothesis to have a precise and accurate solution to the problems that also can respond to various queries.

Therefore, the statement is false.

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All but one of the following statements is true of uterine function. Select the statement that is not true of uterine function.
A) The endometrium has a functional layer that the embryo will implant into.
B) Its rhythmic, reverse peristalsis can propel sperm toward the egg.
C) The narrow portion of the uterus near the cervix is the most typical site of fertilization.
D) The myometrium contracts to expel the fetus during child birth

Answers

The correct answer is C

Lion populations are found all over Sub-Saharan Africa. How do the sequences above reinforce or contradict the idea that populations of lions who are genetically similar live in the same geographic area?

Answers

Answer:

Lion populations are found all over Sub-Saharan Africa showing genetic similar lions live in same geographic areas as the DNA strands are similar to each other and they can be related to each other.

It means lions with genetic similarity can be present in the same geographic area as Lion populations are found all over Sub-Saharan Africa.

As elephant herds walkthrough tall grasses and insects jump out of the way and are seen and eaten by the cowbird what size of symbiosis is this? A.mural I am B.parasitism C.predation D.commensalism

Answers

Answer:

Commensalism

DNA consists of two strands with complementary pairs of nucleotides. Match each strand of DNA with its complement. Tiles
CATGGAT CGGTACA CGGTTAA TAAGGCC ATTGCGT​

Answers

The matching of each strand of DNA with its complement is as follows:

CATGGAT: GTACCTA.CGGTACA: GCCATGT.CGGTTAA: GCCAATT.TAAGGCC: ATTCCGG.ATTGCGT​: TAACGCA.

What is DNA complementarity?

DNA complementarity may be defined as the process through which demonstrates the resemblance of DNA bases in the double helix such that adenine in one strand is opposite thymine in the other strand and cytosine in one strand is opposite guanine in the other.

The mechanism of DNA complementarity also explains the principle of Chargaff's rule. It states that the amount of adenine equals to the amount of thymine while the amount of cytosine equals to the amount of guanine.

According to Watson and Crick, DNA consists of two strands with complementary pairs of nucleotides. One strand is a template to the synthesizing strand which forms complementarily with respect to the template or parental strand.

Therefore, the matching of each strand of DNA with its complement is well described above.

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How does our surroundings affect our health ​

Answers

Answer:

Our surroundings may or may not affect our health.

Explanation:

If we live in a place in which there are many factories, we will be exposed to respiratory diseases.

If we live in a place where there is disease spreads in high rate, we will be exposed to Mental health problems (stress and depression).

Hope this helps ;) ❤❤❤

state and explain how osmosis is an essential process in our day to day life

Answers

Answer:

Everything on earth is all about balance. In osmosis, water follows from region of high concentration to region of low concentration through a semi permeable membrane. This is important because it helps to regulate salt and mineral content in the blood in our body.

Water is a compound

A. Polar and covalent

B. Tribunary

C. Non-polar

D. Ionic​

Answers

The answer is “A”
It is a polar and covalent compound.


A squids, crabs, lobsters
B branches, barks, twigs, roots
C insects, leaves, nuts, bird eggs
D vegetables, fish, grains, fruits


Which groups contain both primary and secondary consumers?
1) A and B
2) B and C
3) C and D
4) B and D

Answers

Explanation:

primary are herbivores

remove any choice that has B- branches are producers.

We've remained with no. 3 and 4

Remove 4 because of vegetables.

There is no answer

Answer:

Not C and D i got A and B correct C and D are incorrect so A and B

Explanation:

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