Prior to 1850, the melanic form of the peppered moth in Europe was:______.

Answers

Answer 1
very rare !!! hope this helps
Answer 2
Rare hope this helps !

Related Questions

what makes jupiter similar to the sun

Answers

Answer:

Their composition is similar.

Explanation:

They are mostly made of hydrogen and helium.

The structure of jupiter and sun mostly made up of hydrogen and helium.

What are the characteristics of hydrogen and helium?

Hydrogen and helium are the lightest elements in the periodic table. They exist as gases at room temperature and are the two most common elements in the universe, with hydrogen making up about 75% of all matter.

It will form a mixture of two of the lightest gases known. Though Hydrogen atoms (H) turn into hydrogen molecules (H2) to form a very reactive, flammable, and explosive hydrogen gas, Helium (He) atoms form an inert gas.

The key difference between hydrogen and helium is that hydrogen is a diatomic gas, while helium is a monatomic gas. Helium has a fully filled s orbital (1s2), but in hydrogen, there is only one electron, so it is unstable.

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Nucleic Acids are responsible for the storage of? ​

Answers

Nucleic acids store and transmit genetic information that you inherited from your parents.

Answer:

storage and expression of genetic information

Explanation:

Nucleic acid is an important class of macromolecules found in all cells and viruses. The functions of nucleic acids have to do with the storage and expression of genetic information.

help asap 20 pts ill mark brainliest

Using the examples in the lesson, label each interaction as mutualism, commensalism, parasitism, competition, or predation.
Trees in a forest


Cheetah and gazelle


Cattle egret and grazing cattle


Butterfly on a flower


Bees pollinate flowers


Oxpecker and buffalo


Owl hunting mice


Bucks fighting for territory


Mushrooms on a tree trunk


Spider in a web


Bird feeders in a backyard


Mosquito sucking blood

Answers

mutualism
predation
commensalism
mutualism
mutualism
mutualism
predation
competition
mutualism
commensalism
commensalism (?)
parasitism

What are the parts of an atom and the charges associated with each part?

Answers

Protons- these have a positive charge
Electrons-negative charge
Neutrons- neutral charge

Sophie says dolphins and sharks look very similar, so they must be related. Jake disagrees, saying DNA evidence has shown that dolphins and other aquatic mammals are actually more closely related to the ancestors of modern hippos. Who is correct using the modern system of classification?
Sophie is correct because dolphins look more like sharks than like hippos.
Jake is correct because classification is based on evolutionary relationships.
Both are correct because traditional and modern classifications can overlap.
Neither is correct because neither is taking into account both the traditional and modern systems

Answers

According to the modern system of classification, Jake is correct because classification is based on evolutionary relationships. So, the correct option is B.

What do you mean by the modern system of Classification?

The modern system of classification was invented in order to identify the evolutionary relationships between the organisms that could be more accurately depicted.

Shark belongs to the group of fishes, while dolphin belongs to the group of mammals. They are more or less looking very close to each other. But the modern system of classification reveals the differences between the. And DNA evidence has shown that dolphins and other aquatic mammals are actually more closely related to the ancestors of modern hippos.  

Therefore, according to the modern system of classification, Jake is correct because classification is based on evolutionary relationships.

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Answer: b

Explanation:

Can someone please help me with this question? If you can, could you explain it to me in your answer? Thanks.

Answers

Answer:

l think this is your correct answer

How is an animal cell divided?
A. A cell plate pushes the two new cells away from one another.
B. The cytoplasm is pinched into two roughly equal parts.
C. The nucleus splits during cytokinesis.

Answers

Answer:

The answer would be C!

Explanation:

How does a healthy environment helps to make happy life?

Answers

Answer:

A healthy environment means the surroundings full of positivity , pollution free , nature that benefits your mind . A good environment makes our mind relax we can think good and positive thoughts . we can spend our lives stress free .

If a cell were lacking lysosomes, what would the cell be unable to do?

Answers

The cell would be unable to get rid of its excess waste. The lysosome is an organelle specializing in getting rid of worn out things in the cell.

get rid of toxins and waste

Most of the water vapor in the atmosphere comes from evaporation of water from oceans. Most evaporation occurs where there is the greatest solar radiation, which is?

Answers

Electromagnetic energy
I’m interpreting the question differently so my answer is: at the equator, since that’s where the magnetic fields deflecting solar winds is the least strong

Carlos is heading a student council project to improve cafeteria meals. He surveyed all students who eat cafeteria
lunches to find out which of the five weekly cafeteria options they like least. What steps should Carlos take to best
display this data?
O He should total the votes for each of the options and plot these five values in a pie chart.
O He should total the votes for each of the options and plot these five values in a line graph.
O He should average the votes for each of the options and list the averages in a data table.
O He should analyze the votes for each option and summarize the findings in a paragraph.

Answers

Answer:

that answer is a i just took the test

Explanation:

Answer:

A i took the test

Answer these two questions about the bacteria population shown in the graph. What is the trend in population size shown by the population in this graph?

Answers

Answer:

                                                                 

Explanation:

Answer:

1. Increasing 2. About 5,300,000

Which statement regarding the structure or function of ribosomes is correct?
a. In eukaryotes, the ribosomes found in chloroplasts and mitochondria are 70S ribosomes, which are similar in size to prokaryotic ribosomes.
b. Ribosomes are found both free-floating and attached to the rough endoplasmic reticulum in eukaryotes and in prokaryotes.
c. Ribosomes are the sites of lipid biosynthesis in both prokaryotes and eukaryotes.
d. The ribosomes in the prokaryote are slightly larger than those found in the eukaryotic endoplasmic reticulum.

Answers

Answer:

C

Explanation:

Ribosomes are in Eukaryotic and Prokaryotic cells

I think this is correct

Ribosomes are the site for the protein synthesis. In eukaryotes, the ribosomes found in chloroplasts and mitochondria are 70 S ribosomes, which are similar in size to prokaryotic ribosomes. The correct answer is option a.

What is RER and SER ?

It is the rough endoplasmic reticulum and the smooth endoplasmic reticulum.

Eukaryotes and the prokaryotes both got the DNA and the ribosomes as well. The ribosomes which are present in eukaryotes are 80 S and the prokaryotes have 70 S type of ribosome units thus the Mitochondria along with the chloroplast in the prokaryotes have their own ribsomes as well as DNA which is 70 S that is same to the prokaryotes.

Endoplasmic reticulum is the site of lipid synthesis and with that they do show the association with ribosomes for the protein synthesis but not in prokaryotes but that happens in the eukaryotes.

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DNA replication is said to be semi-conservative. Explain why this process has been described this way. Hint: Describe the process of DNA Replication, including what it starts and ends with.

Answers

DNA replication is semi-conservative because only one half of the DNA helix is replicated

Answer:

DNA replication is said to be semi-consertive because of this process of replication, where the resulting double helix is composed of both an old strand and a new strand.. Semiconsertive replication would produce two copies that each contained one of the original strands and one new strand.

Explanation:

What happens to the particles of a sample of water as it is changed into ice?
-they become more compact
-they move faster

Answers

Neither of these is true the density of water goes down was it freezes

Give the two ways nitrogen can be fixated so plants can use it to grow.

Answers

[tex]\huge\mathfrak\red {Answer:}[/tex]

Fixation

Nitrogen in its gaseous form (N2) can’t be used by most living things. It has to be converted or ‘fixed’ to a more usable form through a process called fixation. There are three ways nitrogen can be fixed to be useful for living things:

Biologically:

Nitrogen gas (N2) diffuses into the soil from the atmosphere, and species of bacteria convert this nitrogen to ammonium ions (NH4+), which can be used by plants. Legumes (such as clover and lupins) are often grown by farmers because they have nodules on their roots that contain nitrogen-fixing bacteria.

Through lightning:

Lightning converts atmospheric nitrogen into ammonia and nitrate (NO3) that enter soil with rainfall.

[tex]\mathfrak\purple {Hope\: this\: helps\: you...}[/tex]

What is aerobic respiration?

Answers

Explanation:

The respiration which uses oxygen is called aerobic respiration. In aerobic respiration, the glucose food is completely broken down into carbon dioxide and water by oxidation. Aerobic respiration produces a considerable amount of energy for use by the organism which gets stored in the ATP molecules.

Aerobic respiration is the aerobic catabolism of nutrients to carbon dioxide, water, and energy, and involves an electron transport system in which molecular oxygen is the final electron acceptor. Most eukaryotes and prokaryotes use aerobic respiration to obtain energy from glucose.

Which organelle is like the brain of the cell?
O vacuole
O endoplasmic reticulum
O cytoplasm
O nucleus

Answers

Answer:

Explanation:

i think nucleus as it contains genetic material which controls the activities in the cell

what are the 3 basic components of a nucleic acid

Answers

Answer:

The term nucleic acid is the overall name for DNA and RNA. They are composed of nucleotides, which are the monomers made of three components: a 5-carbon sugar, a phosphate group and a nitrogenous base.

Fructose is a sugar molecule that is similar to glucose. It moves from a high concentration outside the cell to a low concentration inside the cell. How would fructose enter a cell?
passive diffusion
osmosis
facilitated diffusion
active transport

Answers

Answer:

facilitated diffusion

Explanation:

i just got it right

Answer:

The correct answer to this question is facilitated diffusion

Explanation:

Which element of a desert biome is abiotic?
cactus
fungi
lizard
sand

Answers

Answer:

1. THE DESERTS -DEFINITION. -FEATURES. -BIOTIC AND ABIOTIC FACTORS THAT INFLUENCE DESERT BIOME. -MOST REPRESENTATIVE DESIERTS IN OUR PERU. DELGADO ENVIRONMENT ELERA, REYNER San José de Moro, September 2014

2. DESERT  A desert is an area of ​​the earth's surface totally or almost totally uninhabited.  A desert can be a sandy or stony terrain that lacks vegetation due to low rainfall.  The harsh environmental conditions mean that these deserts have little stable population DELGADO ELERA, REYNER. CHARACTERISTICS OF THE DESERTS.  Temperatures are generally high, but nights can be cold.  Its climate is extreme with temperatures of 50 ° C during the day and –20 ° C at night.  It is the ecosystem that presents water scarcity.  The ground is covered with sand as a result of the disintegration of rocks. The relief presents plains, dunes and in some places oases.  There are counter winds and rains are very scarce.  Deserts form the largest area of ​​the earth's surface. BIOTIC AND ABIOTIC FACTORS THAT INFLUENCE DESERT BIOMA  BIOTIC FACTORS THAT INFLUENCE DESERT BIOME These are the living beings of an ecosystem that survive. They can refer to the flora, fauna, humans of a place and their interactions. Individuals must have specific behavior and physiological characteristics that allow their survival and reproduction in a defined environment. The condition of sharing an environment engenders a competition between species, given by food, space, etc. Depending on the region: In the desert only some animals manage to survive: camels, lizards, spiders, owls, rats, kangaroo, mice, a variety of snakes, hawks, scorpions, birds, squirrels among others. In the same way, in the fauna, only some plants manage to survive. These protect themselves from other animals with the thorns they have and with their thick layer of skin, some of them are: cactus, palm trees, nopales, bushes, grasslands, weeds in oases, etc.

3. Plants and animals that live in the desert are conditioned to withstand extreme temperatures with minimal water.  ABIOTIC FACTORS THAT INFLUENCE DESERT BIOME Abiotic means lifeless. They are the different components that determine the physical space in which living beings inhabit; among the most important we can find water, temperature, light, soil, humidity, air and nutrients. They are the lifeless factors. Deserts are known for their extreme abiotic factors. Varied temperature and scarce fluvial precipitation. Sunlight, climatic factors such as: humidity (very low) and temperature (high during the day, very low at night); rocks, sand or very dry soil, atmospheric gases, very strong barometric pressure. Rocky terrain, wind processes are important factors in the formation of the landscape. They have an average rainfall of 200 to 500 mm per year. MOST REPRESENTATIVE DESERTS OF PERU 1. DESERT OF SECHURA  One of the most representative deserts of Peru is that of Sechura, located in the northwest of Peru, just between the Lambayeque and Piura regions having a length of 150 kilometers by a width of 100. It is located 55 km southwest of the city of Piura. It is the widest area of ​​the coastal desert in Peru, it has an area of ​​more than 5000 square km.  This desert is an arid plateau formed by materials from the Tertiary, with little vegetation, which includes several intermittent lagoons. The aridity of the climate and the unproductive soils limit the settlement of the population, except in the oases that constitute the mouths of the Piura rivers, to the north, and Lambayeque, to the south; agriculture is possible in these areas. DELGADO ELERA, REYNER

Explanation:

Answer:

its sand ok that the an6

What are three examples of carbohydrates?

Answers

Answer:

Glucose, Galactose, Malatose

Explanation:

Fructose, Starch, Glucose

Identify the living and non-living parts of the nitrogen cycle.

Answers

Nitrogen cycle is repeating cycle

The nitrogen cycle is a cyclical process in which nitrogen moves through both living and non-living things, including the atmosphere, soil, water, plants, animals, and bacteria.

What is nitrogen cycle?

The Nitrogen Cycle is a biogeochemical process in which nitrogen is converted into various forms before passing from the atmosphere to the soil to the organism and back into the atmosphere.

Nitrogen fixation, nitrification, denitrification, decay, and putrefaction are some of the processes involved.

Nitrogen fixation, nitrification, and denitrification are the three major steps in the nitrogen cycle.

It is a biosphere cycle that includes the atmosphere, hydrosphere, and lithosphere. Nitrogen can be found in a variety of reservoirs.

The nitrogen cycle is a cyclical methodology in which nitrogen moves through both living and nonliving systems such as the atmosphere, soil, water, plants, animals, as well as bacteria.

Thus, these are some living and non-living parts of nitrogen cycle.

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Which characteristic is shared by all arthropods? All arthropods have six legs. All arthropods are insects. All arthropods live on land. All arthropods have exoskeletons.

Answers

Answer:

all arthropods have exoskeletons

Explanation:

exoskeletons

are good for smaller insects they provide a larger surface are and are easier to attach muscle

The correct answer is:

D.(All arthropods have exoskeletons)

I took the test, hope this helps!

Monomers and polymers how do they affect the molecules that organisms are made of?

Answers

Answer:

The monomers combine with each other using covalent bonds to form larger molecules known as polymers. In doing so, monomers release water molecules as byproducts. This type of reaction is known as dehydration synthesis, which means “to put together while losing water.” ... In the process, a water molecule is formed.

Explanation:

Sorry it's long hope it helps!

Living organisms are made up of cells. Cells are organized at different levels to form very complex living organisms like your body. Each level has a specific role or job to perform.

Which of the following lists these levels in the correct order of organization from the simplest to the most complex?

Answers

Answer:

The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.

Explanation:

I hope it helped

Answer:

Look below :))

Explanation:

The highest level of organization for living things is the biosphere; it encompasses all other levels. The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.

How does a marathon runner use oxygen and produce carbon dioxide during the marathon?

Answers

is ther a tutor available can you plese check

Answer:

The carbon dioxide breathed out is a by-product of the process of cell respiration, as is water. In this process, energy is produced in the mitochondria of cells. ... When that reacts with oxygen (O2) in the cells, it produces carbon dioxide (CO2) and water (H2O). C6H12O6 plus 6O2 gives 6CO2 plus 6H2O plus energy.

what is the food you eat used for

Answers

Answer:

This energy comes from the food we eat. Our bodies digest the food we eat by mixing it with fluids (acids and enzymes) in the stomach. When the stomach digests food, the carbohydrate (sugars and starches) in the food breaks down into another type of sugar, called glucose.

Explanation:

In the inheritance pattern incomplete dominance offspring demonstrate an intermediate form of alleles from the parents. Is it true or false science

Answers

Answer:

The correct answer is True

Explanation:

Incomplete dominance occurs when the dominant allele is not completely expressed to the total exclusion of the recessive allele hence the Phenotype/physical appearance shows an intermediate between the dominant and recessive alleles of the gene. An example of incomplete dominance is when a red flower is cross-pollinated with a white flower and a pink flower is produced as offspring (instead of a red or even white offspring).

Answer:

true trust me

Explanation:

Pls help me answer this as fast as possible!!!!

Answers

Answer:

its a cell inside you can see the membrane and mitochondria which gives the hint

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