What causes gene flow ?

Answers

Answer 1

Answer: Evolution and Migration

Explanation: When evolution occurs genes can be passed on through natural selection. The gene flows occur when there is migration because they can be transferred from different types of populations.


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Predict: Over time, what will to happen to the populations of light and dark months on light trees?

Answers

I remember this from last year haha. The dark moths populations will go down since they can’t blend in as well as the light moths.

Biomagnification __________.
a.
causes a 90% loss of synergy higher on the food chain
b.
is caused by the ecological succession from a disturbed area to a climax community
c.
is introduced into an ecosystem through nonpoint pollution sources
d.
happens when an increased concentration of a substance accumulates in body tissues
e.
is the transportation of pollution from one ecosystem to another

Answers

Answer:

Ada transportation of pollution from one ecosystem to another

Answer:

d.

happens when an increased concentration of a substance accumulates in body tissues

Explanation:

The definition of biomagnification is "Any concentration of a toxin in tissues of tolerant organisms at successively higher levels in a food chain"

Which three events that affect Earth's crust happen very quickly?
A. Earthquakes
B. Folding
C. Fault formation
D. Volcanic eruptions

Answers

Answer:

Earthquakes,volcanic eruptions and i think fault formation sorry if this is incorrect but i'm pretty sure this is correct.

Explanation:

True or False

When two male lions fight over a dead zebra, it is called interspecific competition

True or False

Decomposers are fungi that break down decaying plants and animals

True or False

Bears are known to eat berries as well as fish and meat. Bears are omnivores.

Answers

When two male lions fight over a dead zebra, it is called interspecific competition

False

Decomposers are fungi that break down decaying plants and animals

True

Bears are known to eat berries as well as fish and meat. Bears are omnivores.

True

Movement of individuals into a population is referred to as:
emigration
death
immigration
population density

Answers

Immigration is the movement of individuals

what is the rarest ecosystem

Answers

Answer:

In Great Lakes Alvars , Oregon wet prairies, or California vernal pools.

Explanation:

Hope this helps :)

In a series of 250 base pairs there are 28 guanine. How many adenines are there?

Answers

Answer:

278

Explanation:

Because How Many Is A Keyword

98. C=G. A=T. Cars in a Garage. Apples on Trees.

What disease caused by a virus is vaccinated against with a new vaccine every autumn and winter?

Answers

Answer:

Influenza

Explanation:

Different strains appear every year, so the vaccine changes.

Influenza of flu is the viral infection for which a person should be vaccinated every autumn and winter. This is because the virus has been identified to have different strains.

What is Viral infection?

Viruses are the unicellular organisms with genetic material either DNA or RNA which is surrounded by a protein coat. Many of the viruses are found to be pathogenic for humans.

Influenza virus is one of them. Influenza (flu) vaccines (also called as “flu shots”) are vaccines that protect against the influenza virus strains that are most common during the season. Generally, most of the flu vaccines are “flu shots” which are given with a needle in the arm, however there is a nasal spray flu vaccine as well.

Influenza (flu) is a contagious respiratory illness caused by influenza virus that infect the respiratory tract. People who are immunologically compromised or are in certain health condition are found to be more vulnerable to this virus.

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Is there any difference in the time of sunrise during summer ans winter?​

Answers

Answer:

yes winter time sunrise exactly time but winter time you can't see sun

Suppose that a cytoplasmic protein (a protein that will function in the cytoplasm inside of the cell) is synthesized by a particular cell type. Describe the route that this protein will take from the moment its synthesis starts in the nucleus until it makes it into the cytoplasm.

Answers

Answer:

A specific gene that contains the information to encode the target protein is transcribed as a primary transcript (pre-mRNA). Subsequently, the pre-mRNA is processed to form a mature mRNA. Finally, this mRNA then moves through a nuclear pore from the nucleus to the cytoplasm where proteins are translated in the ribosomes

Explanation:

The cell nucleus contains the majority of the cell's genetic material localized on linear molecules called chromosomes. During transcription, genes (specific chromosome segments) are used to synthesize primary transcripts (pre-mRNAs) which are then proceeded to produce mature messenger RNAs (mRNAs). RNA processing involves the removal of non-coding intron regions and the joining of coding exon regions (RNA splicing) in order to form a mature mRNA sequence. Subsequently, the mature mRNA leaves the nucleus through the nuclear pores of the nuclear membrane and travels to the ribosomes where is decoded (translated) to produce a specific polypeptide chain (i.e., a protein). Within the ribosome, the mRNA strand binds to multiple transfer ribonucleic acids (tRNAs) via complementary and consecutive three-nucleotide mRNA sequences called triplets or codons, and tRNAs deliver specific amino acids that are consecutively added to the polypeptide chain.

Why would these modifications be important i.e.
what unique feature does Arthrobotrys have?)​

Answers

Answer:

Forming adhesive trapping nets.

Explanation:

These modifications are important to captured its food and to survive in the environment. Unique feature does Arthrobotrys have is the presence of predatory behaviour. Due to this predatory behaviour of Arthrobotrys, they are able to capture the food such as nematodes and feed on them. The Arthrobotrys belongs to the fungi family Orbiliaceae and have 71 species. This fungi formed adhesive trapping nets in order to capture its food.

Hello what happens when you are. Buried wouldn’t it be bad if you were still alive and you wake up in a grave and it is pitched black?

Answers

Answer:

I mean yeah then you would just have to lay there and just slowly starve to death because your buried and the weight of the dirt or sand or whatever you got buried in would be to heavy

No, it’s not good you most likely suffocate and not survive especially in the dark at night someone might not hear you screaming in panic

Which type of fossil can help us understand an organism’s activity during its lifetime?

Answers

Answer:

trace fossils

Explanation:

Trace fossils are fossils that provide information about the biological activities and behaviors of past organisms.

Answer:

Trace fossils

Explanation:

"Trace fossil is the type of fossil that can help us understand an organism's activity during its lifetime. Trace fossils are fossils that provide information about the biological activities and behaviors of past organisms."

Hope this helps!!

This is not my answer by the way!! I do not own this!!

Can someone please help me

Answers

Answer:

letter D

Explanation:

LETTER D•Enzymes Are usually Carbohydrates

Why are nonnative species a threat to biodiversity?

They often use up resources that other organisms need.
They are not able to successfully breed in the wild.
They release pollution into many environments.
They easily contract and spread diseases to other organisms.

Answers

Answer:

A

Explanation:

They often use up resources that other organisms need.

The reason of nonnative species a threat to biodiversity is because of using resources that other organisms need.

Reason why nonnative species a threat to biodiversity:It leads to various kinds of diseases. It acted like predators or parasites. It acted like a competitor or rivalry. It should be hybridizing with local species.

Hence, The reason of nonnative species a threat to biodiversity is because of using resources that other organisms need.

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What is the kinetic energy of a toy truck with a mass of 0.75kg and a velocity of 4 m/s?

Answers

Answer:

6

Explanation:

formula=1/2 m v2

m=mass

v= velocity

1/2* 0.75* 16

=6

hope this helped

How are
lactic acid fermentation and
alcoholic fermentation similar?
How are they different?

Answers

Answer:

Both are anaerobic processes that break down glucose to make ATP and recycle NAD+ to glycolysis. Lactic acid fermentation produces lactic acid, alcoholic fermentation produces alcohol and carbon dioxide.

Explanation:

What bones are least likely to be found in an owl pellet?

Answers

Answer:

Answer down below!

Explanation:

Bigger animals such as birds, cats, and dogs. Owls couldn't fit those it their mouths.

Indigestible material left in the gizzard such as teeth, skulls, claws, and feathers are too dangerous to pass through the rest of the owl's digestive tract. To safely excrete this material, the owl's gizzard compacts it into a tight pellet that the owl regurgitates. The regurgitated pellets are known as owl pellets.

which piece of equipment will be the best for measuring
75 mL of liquid?

Answers

graduated cylinder .

l. A farming area developed a major locust problem. Swarms of locusts were destroying crops and the environment. A team of
scientists developed an infectious disease that would reduce the population of locusts What would be most important to find
out before producing and releasing the disease?
how a decreased number of locusts would affect other organisms
which species might eat the crops in the absence of locusts
how the disease can be used for other applications
O how quickly farmers would get to see the results

Answers

Answer: how a decreased number of locusts would affect other organisms.

Explanation:

When engaging in any action aimed at destroying large numbers of an organism as is the case here, there is always a need to check what impact it might have on the ecosystem at large.

This is why it is very important that the effect of a decreased number of locusts on other organisms is evaluated before such drastic action is taken. If it would lead to a situation where the ecosystem is destabilized, the consequences would be far reaching and very damaging.

How a decreased number of locusts would affect other organisms is the

most important to find out before producing the disease.

What is Population?

This is referred to the number of organisms present in an area over a

specific period of time.

We were told that swarms of locusts destroyed the environment and

needed to be reduced through the creation of a disease. The effect the  

decrease in locust  has on other organisms has to be considered to ensure

the ecosystem is balanced and doesn't adversely affect others.

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The haploid number is 60, so that means the diploid number is *

A) 60

B) 120

C) 30

D) 15

PLEASE HELP

Answers

Answer:

option B- 120

Explanation:

haploid(n) means a complete set of chromosomes, haploids have half number of chromosomes of a diploid(2n) organism. while diploid means two complete set of chromosomes.

DNA carries the information needed to make proteins. How is this information used to make
proteins?

Answers

Answer:

There is a protein synthesis cycle

Explanation:

The whole cycle goes through Transcription and Translation

where the DNA gets converted into RNA

Answer: DNA is transcribed into mRNA. Ribosomes "read" the mRNA and translate each group of three nucleotides into amino acids to build proteins, with the help of tRNA.

hich statement is a correct description of the processes of respiration and transpiration in a plant?

Question 6 options:

Transpiration is when the plant loses water through its leaves. Respiration is when the plant breaks down the sugar in its cells to release energy.


Transpiration is when the plant pulls water into its roots. Respiration is when the plant breathes.


Transpiration is when the plant grows over time. Respiration is when the plant breaks down the sugar in its roots.


Transpiration is when the plant produces buds. Respiration is when the plant dies.

Answers

Answer:

Transpiration is when the plant loses water through its leaves. Respiration is when the plant breaks down the sugar in its cells to release energy.

Explanation:

Transpiration and respiration are both processes carried out by plants. Transpiration is the process by which plants lose water via a structure in their leaves called STOMATA. When plants open their stomata for gaseous exchange i.e. take in CO2 or give out O2, they lose water vapor in the process in a process called TRANSPIRATION.

Contrarily, RESPIRATION is a cellular process in which the cells of a plant breakdown sugar molecules (glucose) in order to release energy (ATP) in the process. Respiration equation is as follows:

C6H12O6 + 6O2 → 6CO2 + 6H2O

Transpiration is when the plant loses water through its leaves. Respiration is when the plant breaks down the sugar in its cells to release energy.

Explanation:

Transpiration and respiration are both processes carried out by plants. Transpiration is the process by which plants lose water via a structure in their leaves called STOMATA. When plants open their stomata for gaseous exchange i.e. take in CO2 or give out O2, they lose water vapor in the process in a process called TRANSPIRATION.

hope i helped

Find 2 mistakes in this DNA strand.

Answers

The g doesn’t go with a it’s the second to last one but how’s biology class

Which of the following statements is true?
O During fission, hydrogen is split apart into helium.
O U-235 is created from nuclear fusion reactions.
Exothermic reactions absorb heat and light.
The sun uses some of its own mass during fusion reactions.
C
Me To

Answers

Answer:

The sun uses some of its own mass during fusion reactions.

Explanation:

This is because the sun consist of hydrogen and helium. And the sun gravity compresses the gases hydrogen and helium and they become hot.

Heat and pressure forces hydrogen together to form helium which is nuvlear fusion.

Nuclear fusion is the combination to two nuclei or more nuclei to form one or more subatomic nuclear.

the answer is c        Answer:

Explanation:

who is Safai karamcharis? what will they do​

Answers

Answer:The National Commission for Safai Karamcharis  was formed as a statutory body to look into matters concerning the Safai Karamcharis’ welfare  For the first time,  was constituted as a statutory body under the act in 1993.

Luís is a rock collector. He thinks that the material from his favorite sedimentary rock in his collection might have been part of an igneous rock formation under Earth’s outer layer millions of years ago. Could Luís be correct?

a.
Yes, energy from Earth’s interior can cause igneous rock to break into small rock pieces that form sedimentary rock.

b.Yes, if igneous rock is moved to Earth’s surface and exposed to energy from the sun, it could weather into small rock pieces that could form sedimentary rock.

c.No, sedimentary rock can only form out of material from other sedimentary rock. There is no way that sedimentary rock can form from material in igneous rock.

d.No, sedimentary rock forms at Earth’s surface because energy from the sun causes rock to weather, but igneous rock under Earth’s outer layer is not exposed to energy from the sun.

Answers

Answer:

i think its b) yes if igneous rock.................................

Which scientific area has the most influence in shaping modern classification methods?

Answers

Answer: The answer is " evolution". Evolution is a major force in shaping modern classification methods. Evolution is the adjustment in the qualities of an animal categories more than a few ages and depends on the procedure of common determination.

The scientific field which has had the greatest influence on shaping modern classification methods is Evolution.

What is Evolution?

Evolution is concerned with the sequence of changes which occur in organisms as they transform from their ancient forms to their modern forms.

It is the change in the genetic characteristics of a biological population over successive generations. These characteristics are manifestations of genes passed from parents to offspring during reproduction.

The three main types of Evolution are:

1. Divergent Evolution

2. Convergent Evolution

3. Parallel Evolution

Thus, the scientific field which has had the greatest influence on shaping modern classification methods is Evolution.

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Recently, a type of genetically modified fish has
been approved for sale for human consumption.
The modified fish contain a growth hormone
gene from a different fish species. As a result, the
modified fish grow rapidly and are ready to sell in
almost half the time it normally would take. The
modified fish are able to produce the new growth
hormone because
(1) each of their cells contains the new gene to
produce growth hormone
(2) each gene contains the code to synthesize
carbohydrates
(3) the altered gene directs the mitochondria to
synthesize the hormone
(4) the modified body cells are able to reproduce
by meiosis

Answers

Answer:

the answer is 1

Explanation:

I did the test it was right

Your friend is an avid swimmer and wants to burn the most calories in her 20 minute daily swim. She has a choice of swimming in a pool with a water temperature of 80°F (26.7°C) or one with a water temperature of 72°F (22.2°C).

Which pool should your friend choose to achieve her goal? Explain why.

Answers

Answer:72

Explanation:

The water is colder so you would burn more calories.

Far more calories are burned during cold water swimming than swimming in warmer water. The main idea behind this is a fact that cold water decreases the body temperature so much that the body must act to maintain temperature homeostasis.

What is Swimming?

Swimming is a preferred sports activity for burning of calories faster. It is because the resistance of water is so much higher and consistent than that of air, it becomes easier to burn calories by swimming than running. Swimming is a full body workout, that results in more calories burned.

When the temperature of water drops, the metabolism increases up to keep the body warm and people starts shiver, etc. Swimming in cold water will make the body work twice as hard to keep warm and burn more calories in the process. This is one reason why people lose more weight when swimming regularly in cold water than warmer water.

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