Which scenario MOST LIKELY represents genetic drift and why?

Question 2 options:

Scenario 2, because the dark beetles are most fit for the environment.

Scenario 1, because chance events led to a decrease in the number of dark
beetles.

Scenario 2, because chance events led to a decrease in the number of light
beetles.

Scenario 1, because the light beetles are most fit for the environment.

Answers

Answer 1

Answer:

B -Scenario 1, because chance events led to a decrease in the number of dark

Scenario 1, because chance events led to a decrease in the number of darkbeetles.

Related Questions

What do we think is the most important factor for supporting life on Earth?

A) It has liquid water
B) It has a very thick atmosphere
C) It has wombats - the adorable Australian marsupial. VITAL to life on Earth.

Answers

100% has to be C clearly

Answer:

Explanation:

The images show slices of sedimentary rock in Earth's surface in two different locations.
Slice from location 1
Slice from location 2

Which layer is most likely the oldest in location 1?
A
layer Q
B
layer R
C
layer s
D
layer T

Answers

Answer:

Explanation:

it is what it is.

I need an example of natural solution! (ex: a giraffe with a long neck) and I need an explanation on how it has adapted to it’s environment please!!

Answers

It adapted to its environment by being able to reach very high spots in trees to get fruits. Also, they can walk in lakes without feeling they would drown. Lastly, they can fight other animals without getting too hurt due to the other not being able to reach up to them.

Sorry this is what I could basically think off

List 3 renewable resources.

Answers

Some examples are oxygen, water, and solar energy

What are new stars that are found in the spiral arms and formed from recycled dead star material known as?

population II stars

red dwarf stars

population I stars

brown dwarf stars

Answers

Answer:

population I stars.

Explanation:

A star is a giant astronomical or celestial object that is comprised of a luminous sphere of plasma, binded together by its own gravitational force.

It is typically made up of two (2) main hot gas, Hydrogen (H) and Helium (He).

The luminosity of a star can be defined as the total amount of light radiated by the star per second and it is measured in watts (w). Also, the apparent brightness of a star is a measure of the rate at which radiated energy from a star reaches an observer on Earth per square meter per second. The apparent brightness of a star is typically measured in watts per square meter.

Some of the examples of stars are; Canopus, Sun (closest to the Earth), Betelgeus, Antares, Vega etc.

New stars that are found in the spiral arms and formed from recycled dead star material are known as population I stars. Also, it comprises of association and clusters formed a million or billion years ago in the spiral arms of Milky Way galaxy.

A galaxy can be defined as a collection or group of many billions of stars and other planetary body which are existing independently.

Answer: population l stars

Explanation:

The living organism found within an ecosystem

Answers

Answer:

The living organisms in an ecosystem can be divided into three categories: producers, consumers and decomposers. They are all important parts of an ecosystem. Producers are the green plants The third type of living organism in an ecosystem is the decomposers.

Explanation:

help with this plz!

Answers

Answer:

Cell

Explanation:

That is the smallest you can go to from the intestine with the choices provided.

answer: Cell

Explanation:

1. How is the property of compressibility of gases used in everyday life? Give an example.

Answers

Answer:

Compressibility is reducing the volume by increasing the pressure of a substance like liquid or gas. It is a physical characteristic of a substance especially gases.

Everyday life examples:

(1) LPG - These gas cylinders have compressed natural gas to liquid gas to store and use as fuels.

(2) Tubes of bicycles are filled by the pumps that compress the air.

(3) Carbonated soda filled with the help of compressing the carbon dioxide into the bottle.

4) oxygen bottles in medical institutes for helping the patient to breathe.

Which level of organization involves an organism’s use of the mouth, saliva, teeth, stomach, intestines, liver, and pancreas to break down food?
A. Cell.

B. Tissue.

C. Organ.

D. Organ system.

Answers

Answer:

Explanation: i took test

i need this answer quick please thanks

Answers

Answer:

B!!!!!!!!!!!!!!!!!!!

the answer to number 4 is A.

the question above 4 is wrong, it is C.

if you need me to help with humber 5 please show the options.

Antibodies, B-cells, killer T-cells, and helper T-cells are all examples of what part of
the immune system?
Red blood cells
White blood cells
O Platelets
O Plasma

Answers

Answer:

b whit blood cells

Explanation:

Area "X" show the structure of
A) a DNA molecule
B) an amino acid
C) a RNA molecule
D) a nucleotide

Answers

Answer:

D) a nucleotide

Explanation:

A single nucleotide will contain a phosphate group, sugar molecule (deoxyribose) and a nitrogenous base ( which could be adenine, thyamine, guanine or cytosine ).

The expression of a genotype is called a.....

a
nucleus
b
chromosome
c
phenotype
d
translation

Answers

Answer:

its B

Explanation:

i might be wrong but i hope i helped

The correct answer is C.

About 3% of Earth’s water is fresh water. About 1% of this amount is usable fresh water.

Which statement describes the distribution of usable fresh water on Earth?

Most of the usable fresh water is in lakes.

Most of the usable fresh water is in rivers.

Most of the usable fresh water is in the wetlands.

Most of the usable fresh water is in the atmosphere.

Answers

I believe it’s the second one sorry if am wrong

Answer:

most of the usual fresh water is in lakes

Explanation: just did the assignment

A light bulb converts electrical energy to
thermal energy and mechanical energy
nuclear and chemical energy
electromagnetic (light) energy and thermal energy
electrical and chemical energy

Answers

Answer: electromagnetic (light) energy and thermal energy

Explanation:

When a blood clot breaks free and blocks a vessel leading to the brain a _______________________ can happen.

Answers

Answer:

a stroke can happen

Explanation:

A stroke can happen, right?

A. Producer
B. Primary consumer
C. Secondary consumer
D. Tertiary consumer

Answers

Answer:

I'm pretty sure it's B. Primary consumer.

Explanation:

The protozoa eats the algae, making it a primary consumer.

Answer:B

Explanation:The reason why the answer is a because that protozoa is mostly a decomposer by eats organic matter or debris.Also primary consumers are mostly described as primary consumers or in other cases it mostly depends on the food web it self.Hope it helps again!

How does the crossing-over of chromosomes that occurs during recombination result in increased genetic variability in population?
THIS IS A TEST ANSWER

Answers

Answer:

they swap alleles

Explanation:

when homologous chromosomes cross over during meiosis, they exchange segments of DNA/swap alleles. this means that the chromosomes now have a completely unique combination of alleles, which causes variation. It is also random which of these unique chromosomes end up in which daughter cell (the gametes) and since fertilisation is a random and independent event, which unique male gamete that fertilises which unique female gamete is also random. This means the resultant zygote has a unique combination of alleles that is unlike either of their parents.

Hemostasis involves a complex chain of events, and any disorder that affects any individual clotting factor can disrupt the entire process. As a result, managing many clinical conditions involves controlling or manipulating the clotting process. Excessive coagulation can cause dangerous blood clot conditions such as the formation of an embolus and a thrombus. Inadequate coagulation is associated with disorders like hemophilia, an inherited disorder characterized by the inadequate production of clotting factors. About one person in 10,000 has hemophilia. What is the name of the formed element that is critical for initiating the formation of a blood clot

Answers

Answer:

Fibrin

Explanation:

The name of the element that is critical for initiating the formation of a blood clot is fibrin.

Fibrin is a fibrous, non-globular protein that is formed by the polymerization of fibrinogen as a result of the reaction with protease thrombin. The threads from fibrin form a network of fibers around the platelet plug at the area of damaged blood vessels in the process of injuries, thereby forming the initial clot.

As skeletal muscle is further stretched beyond the length where optimum force is developed, ________. As skeletal muscle is further stretched beyond the length where optimum force is developed, ________. the thick filaments overlap one another, thereby reducing their ability to interact with actin the thin filaments overlap one another, thereby reducing their ability to interact with myosin the thick filaments are pulled away from one another, thereby reducing their ability to interact with actin the thin filaments are pulled away from one another, thereby reducing their ability to interact with myosin the amount of calcium released by the sarcoplasmic reticulum is reduced as length increases

Answers

Answer:

the thin filaments are pulled away from one another, thereby reducing their ability to interact with myosin

Explanation:

The myofibril is the basic unit of a muscle cell. Each myofibril is composed of contractile units known as sarcomeres which may contain two different types of myofilaments: thick myofilaments and thin myofilaments. The thick filaments are known to have a constant length, and they consist especially of myosin proteins. These filaments (thick) do not extend to the ends. On the other hand, the thin filaments extend in from each end, and they are mainly composed of actin proteins that serve as tracks for the movement of myosin proteins.

Are all microbes Patheonge yes or no?

Answers

Answer:

There is no difference between an opportunistic pathogen and any other kind of pathogen. Both are microbes and both have the potential to cause damage/disease in a host.

Explanation:

Hope this helped you :D

No, pathogens are organisms that can cause disease. And while it is true that many microbes can indeed cause disease and so are pathogenic, there are many microbes (namely, bacteria) that perform beneficial functions and without which we would be sick.

I really need this ASAP! Thank you!

Answers

The first two are: 50% and 50%
The second two are: 87.5% and 12.5%

Answer:

1) 50% and 50%

2)87.5% and 12.5%

Explanation:

1. How many mating pairs are illustrated in Model 1:

Answers

Answer:

Explanation:

24 mating pairs are illustrated in Model 1 .

There are 12 mating pairs which are illustrated in model 1.

What is a Mating pair?

These are groups of organisms which are involved in reproduction over

a period of time. Some animals choose their mating pairs depending in the

season in which they copulate and produce offsprings.

In the model 1 given, we have a total of 24 animals which are grouped into

12 mating pairs which is why it's the most appropriate choice.

Read more about Mating pair here https://brainly.com/question/1242912

Arrange the following steps to explain the process of protein synthesis inside the eukaryotic cell.

Answers

Answer:

Ribosomes are produced inside the nucleus, by the nucleus, then leave the nucleus through nuclear pores

Some ribosomes attach to ER whereas others move freely in cytoplasm

Ribosomes use mRNA to make proteins

Ribosomes synthesis proteins that are then placed in vesicles (sacs)

Proteins then move to the golgi apparatus where they get folded and carbohydrates and lipids attached to them

Fully active proteins leave the cell through cell membrane

If half the K-40 of a rock has
decayed into Ar-40, how old is
the rock?

Answers

Answer:

Explanation:

40:2=20

Please help it’s a fill in the blank,

Answers

Answer:

1] Vascular tissue

2] Producer

3] Cuticle

4] Cellulose

5] Transport.

Answer:

1. Cellulose

2. Vascular Tissue

3. Cuticle

4. Transport

5. Producer

Explanation:

I don't really have a explanation for this, I just guessed on this one really. I searched some stuff up but idrk if any of what I said is 100% correct :) I tried my best lol. Sending best wishes to you and this thing about plants :)

How are antibodies related to the type of blood a person can receive?

Does anyone k one what is

Answers

Answer:

If it is present, that person's blood is Rh positive (+); if not, the blood is Rh negative (-). ... For example, a Blood Group A individual has no B antigens on their red blood cells; therefore, this person's white blood cells will make antibodies against the B antigen (anti-B) that will be present in their plasma.

Explanation:

i hope this helps

which kingdom consists of organisms that can be classified as either plants-like,fungi-like,or animal-like ?

Answers

Answer:

Kingdom Protista

The organisms within the Kingdom Protista contain a nucleus, like all Eukaryotes, and are categorized as plant-like, animal-like or fungus-like.

Which organelle is considered the control center of the cell or the "brain" of the cell? It contains all the DNA or the instructions to carry out the function of the cell.??

Answers

Answer:

Cell Nucleus

Explanation:

The nucleus is perhaps the most important structure inside animal and plant cells. It is the main control center for the cell and acts kind of like the cell's brain.

Sound travels through substances as energy is transferred from one particle to the next. The
diagrams represent the particles of three substances: air (gas), water (liquid), and steel (solid).
Which substance would sound travel through the fastest?

Answers

Answer:

The correct answer is A...........

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