Which pair of biogeographic regions is the most likely to have species that show convergent evolution?.

Answers

Answer 1

The biogeographic regions that are the most likely to have species that show convergent evolution are Nearctic and Palearctic.

What are Nearctic and Palearctic?

The Nearctic and Palearctic are two of the eight (8) biogeographic regions present on the Earth planet.

Palearctic represents (in turn) the most widely extended biogeographic region present on the Earth planet.

Biogeographic regions are specific areas consisting of particular biological (biotic components) features.

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Related Questions

Farmers who use genetic engineering to grow pesticide-resistant crops: a. waste irrigation water from runoff b. need to frequently till the soil to reduce weed growth c. reduce the use of petroleum and energy d. contribute to soil depletion e. decrease the nutrient content of foods

Answers

Farmers who use genetic engineering to grow pesticide-resistant crops  contribute to soil depletion. Soil pollution is driven by many elements , with some naturally-occurring, while human action cause others.

What is causing soil depletion?

Soil pollution is driven by many elements , with some naturally-occurring, while human action cause others.

The ultimate causes of soil pollution are wind and water erosion, deforestation, and urbanization.

Thus, option "D" is correct, contribute to soil depletion.

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Describe the purpose of cell differentiation in embryonic development.

Answers

Answer:

The differentiation of cells during embryogenesis is the key to cell, tissue, organ, and organism identity. Once an egg is fertilized by a sperm, a zygote is formed. The zygote divides into multiple cells in a process known as cleavage, triggering the beginning of embryonic differentiation

Explanation:

Which contributes to the greenhouse effect?

Answers

The greenhouse effect is when the Sun's light is trapped into the lower atmosphere, heating up the planet. Carbon dioxide, or co2 makes up the majority of greenhouse gas emissions. Smaller amounts of methane(ch4), and nitrous oxide(n20) are also emitted. These gases are mainly emitted through the continuous use of fossil fuels such as coal, oil, and natural gas.

How long does it take for food to digest in your body?

Answers

Answer:

six to eight hours

Explanation:

your welcome

Explanation:

It takes about six to eight hours

I answered but I got it wrong

please help ASAP

Answers

Answer:

Nitrogen gas the first one

Explanation:

There is a clear boundary where Earth's atmosphere ends and space begins.

True
Or
False

Answers

Answer:

The answer is False.

Explanation:

There’s really no clear boundary between where Earth’s atmosphere ends and outer space begins.

A normal polypeptide includes the following sequence of amino acids. (Note: Each
amino acid is named by a three letter abbreviation.)
Iso-Leu-Pro-Val-His-Ser-Thr-Met
After a mutation, the amino acid sequence becomes the following:
Iso-Leu-Pro-Val-Tyr-Arg-Iso-Gly
Which of the following changes to a nitrogenous base in mRNA is most likely to
have occurred?

Answers

The messenger RNA (mRNA) is not found here but it is possible to find the correct amino acid sequence by using the genetic code.

What is the genetic code?

The genetic code can be defined as a series of instructions to convert a DNA sequence to a protein sequence.

The mRNA is composed of triplets of nucleotides called codons that specify different amino acids during translation.

In conclusion, the mRNA sequence is not found here but it is possible to find the correct amino acid sequence by using the genetic code.

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In what part of the renal tubule does most reabsorption of substances occur?.

Answers

Answer:

The proximal convoluted tubule.

Explanation:

Which of the following is NOT a reactant
required to begin cellular respiration?
O ADP
O Glucose
O Oxygen
O Carbon dioxide

Answers

Answer:

ADP is not a reactant required to begin cellular respiration

Ability would provide the octopus an advantage in its environment

Answers

Answer:

It has the ability to change its color and texture to blend into its environment

Explanation:



Use the drop-down menus to complete the hypothesis of the first
group of researchers.
During a drought, the decrease in rainfall will reduce the amount of
vegetation that can grow and increase the occurrence of natural fires,
so an elevation in Select...
and a reduction in
Select...
should be found in the cores.
Select...
charcoal
pollen
sediment
wetland plants

Answers

Answer:

charcoal is found in the cores

What structure in the heart keeps the blood from flowing in the right direction?

Answers

Answer:

The valves The heart has four valves - one for each chamber of the heart. The valves keep blood moving through the heart in the right direction.

Explanation:

it is right hope this helps

Answer:

The answer is The valves The heart has four valves - one for each chamber of the heart. The valves keep blood moving through the heart in the right direction.

Explanation:

i hope i helped you very much

PLEASEE HELP PLEASEEE
THANK YOU IF YOU DO!
Cones and flowers are the principal reproductive organs in vascular plants. However, successful reproduction is also dependent on roots, stems, and leaves as well. Evaluate each claim. Select ALL the statements that accurately describe the interplay between organ systems.
A) Fruits work with leaves to produce sugars using photosynthesis.
B) Nutrients needed for reproduction are absorbed from the soil from the root system. C) Nutrients absorbed through the roots are transported to the flowers via the xylem. D) Pollen necessary for reproduction is made in the leaves and transported via phloem.
E) Fruits contain large amounts of sugars produced in the leaves through photosynthesis.

Answers

Answer:

B) Nutrients needed for reproduction are absorbed from the soil from the root system.

C) Nutrients absorbed through the roots are transported to the flowers via the xylem.

E) Fruits contain large amounts of sugars produced in the leaves through photosynthesis.

Explanation:

(A) Is wrong the fruit of the plant does not produce Sugars but stores it.

(D) Is wrong because is not made from the leaves but from the Cones of the plant the question tells you this.

What are nonrenewable resources?

They are abundant natural resources that humans do not have to recycle or reuse.

They are natural resources that are in abundant supply or that can replenish themselves.

They are natural resources that are in limited supply and can easily run out.

They are artificial resources that humans use but are not able to be recycled or reused.

Answers

Answer:

Your answer is: They are natural resources that are in limited supply and can easily run out.

Explanation:

A non-renewable resource is a natural resource that cannot be readily replaced by natural means at a pace quick enough to keep up with consumption. An example is carbon-based fossil fuels. Hope this helped :)

Humans increase carbon dioxide (CO,) in the atmosphere, and contribute to the carbon eycle by
A. combustion from driving cars.
B) planting trees to improve photosynthesis.
C. conserving energy with alternative energies.
D. using more solar power electricity.

Answers

I think it's { A.) Combustion from driving cars} But if I am wrong I am sorry. Good luck!

Visceral reflex arcs differ from somatic in that ________. visceral arcs involve two motor neurons visceral arcs contain two sensory neurons visceral arcs do not use integration centers somatic arcs contain one additional component that visceral arcs do not possess

Answers

Visceral reflex arcs differ from somatic in that : ( A )  Visceral arcs involve two motor neurons

Visceral reflex arcs

Visceral reflex arc is the reflex arc in the autonomic nervous system that produces non-skeletal muscular response in certain internal organs ( heart and blood vessels ). While somatic reflex arc is a neutral pathway which occurs from the sensing to response of stimulus.

Hence we can conclude that Visceral reflex arcs differ from somatic in that : ( A )  Visceral arcs involve two motor neurons.

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What type of rocks will likely weather the least?

Answers

Answer:

Igneous rocks are the least likely to weather or erode because of their solidity, therefore making them more resistant to water.

Which form of Vitamin A is involved in the growth and differentiation of epithelial cells throughout the body

Answers

Answer:

It is an essential vitamin for vertebrates, including humans. Vitamin A (retinol) and its metabolites serve as essential molecules in vision and influence gene expression in various types of cells, particularly epithelial cells.

Explanation:

Population genetics is the field of biology that studies the diversity of populations at the level of the.

Answers

Answer:

the field of biology that studies the diversity of populations t the level of the gene. the frequencies of on allele (p) and the frequencies of another allele (q) in a a population all add up to 1.

Population genetics is the field of biology that studies the diversity of populations at the level of the genes, as it explains the genetic variation and their distribution among different individuals in the population.

What is the significance of population genetics?

Generally, it has applications in conservation biology, medicine, and other fields of biology and helps to understand the genetic variation within and among populations and explain the evolution of organisms and how they adapt to different environments. It also explains the variation within endangered species and the genetic factors that contribute to disease susceptibility.

Hence, population genetics is the field of biology that studies the diversity of populations at the level of the genes, as it explains the genetic variation and their distribution among different individuals in the population.

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What cell structure makes it possible for the internal environment of a cell to differ from the external

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.

Explanation:

hope this helps

what do the letters A G C andT stand for

Answers

Answer: A stands for Adenine. G stands for Guanine. C stands for Cytosine. T stands for Thymine.

could anyone help me pls would appreciate it​

Answers

Answer:

I'm sure it's none of the above. The planting method where seeds are placed on top of a peak is called Hand Sowing.

Which of these changes is a possible negative consequence of farmers
allowing livestock to
overgraze a pasture?
O A. Abundance of clean air
O B. Deforestation
• C. Desertification
• D. Shortage of freshwater

Answers

Answer:

C

Explanation:

The overgrazing causes dry land which is arid

Tsunamis are so destructive because of their ___ and ___.

size, speed

density, size

speed, shape

Answers

Answer:

A. Size and Speed

Explanation:

:)

Size, speed hope this is right

what is a Cell??
please help

Answers

Answer:

A cell is the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body. :) hope that helps!

Answer:

a cell are small things that are all around us, basically everything is made up of cells. cells are made of of one or more atoms/ molecules

After eating a large meal, which branch of your nervous system is activated?.

Answers

Answer:

The parasympathetic nervous system is activated after eating a large meal

The magnets point North when the Earth's magnetic field has (p2)

need some help :)​

Answers

EARTH'S MAGNETIC FIELD

The magnets point North when the Earth's magnetic field has?

ANSWER

I think the best answer for this question is Magnetic Reversal or Geomagnetic Reversal.

In geomagnetism, the term "geomagnetic reversal" also known as 'flip', is the process by which the North pole becomes South pole and the South pole transforms into North pole.

THE MAGNETIC REVERSAL

The reversals happen on rare occasions when iron molecules start moving towards the opposite direction as other iron molecules around them within the Earth's spinning outer core.


What process do scientists think explains the evolution of mitochondria and chloroplasts from bacteria

Answers

Scientists put their conclusions into this by creating th Endosymbiotic theory. The endosymbiotic theory describes how mitochondria and chloroplasts (cell organelles) came to exist in eukaryotic organisms. The endosymbiotic theory explains the evolution of mitochondria and chloroplasts. Before mitochondria and chloroplasts were organelles in a cell, they were free prokaryotic cells that were absorbed by eukaryotic cells.

The mitochondrion was originally a prokaryotic cell that could undergo aerobic respiration. After being absorbed by a eukaryotic cell, it developed a symbiotic relationship with its host cell.

The chloroplast was originally a prokaryotic cell that could undergo photosynthesis (eg. cyanobacteria). Like the mitochondria, the photosynthesizing bacteria became dependent on the host cell after being engulfed.

There is much evidence to support the endosymbiotic theory.

Both prokaryotes and chloroplasts/mitochondria have circular DNABoth have their own ribosomesBoth divide through binary fission (splitting into two)Both have their own cell membranes

Where is the atmosphere the least dense?
A. Layer 1
B. Layer 2
C. Layer 4
(see picture)

Answers

Answer:

layer 4

Explanation:

During LTP, _____ enters postsynaptic NMDA receptors to begin a chain of events that leads to an increase in the number of postsynaptic AMPA receptors.

Answers

During LTP, calcium enters postsynaptic NMDA receptors which leads to an increase in the number of postsynaptic AMPA receptors.

What is LTP?

Thisius known as Long-term potentiation and is the process which involving persistent strengthening of synapses.

It is activated by calcium ions and helps to produce an increase in signal transmission between neurons.

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