Suppose that two distantly related species live in similar environments and share a distinctive characteristic that facilitates survival in their environment but is not found in their immediate ancestors. Based on this information, this distinctive feature most likely represents a character that spread from:______.
a. one species to the other by gene flow.
b. an analogous character.
c. a homologous character.
d. a character that arose by genetic drift.

Answers

Answer 1

Based on this information, this distinctive feature most likely represents a character that spread from an ANALOGOUS character. They are present in unrelated species.

What are analogies in evolution?

An analogy is a structure observed in unrelated species that emerged as a consequence of adaptation to similar environmental conditions.

Analogous structures often exhibit the same function but they do not have a common evolutionary origin.

Conversely, homo-logies are structures that may or may not have the same function but they are present in a common ancestor.

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Related Questions

Why does salt start to dissolve in water without being stirred or shaken?

Answers

Answer:

A common misconception about dissolving is that heating and/or stirring are required for the dissolving process to occur. In this study, quantitative experimental evidence was collected and analyzed to demonstrate that neither heating nor stirring is required for dissolving

Explanation:

What process controls water loss by the plant, so that the plant will not wither up and die? Question 3 options: Respiration Transpiration Restoration Photosynthesis.

Answers

I believe the answer is TRANSPIRATION.

hope this helps!

Answer:the awnser is trasperation

Explanation:

The remote sensing technique known as _________ has enabled scientists to map more than 800 square miles (2,100 square kilometers) of the Maya Biosphere Reserve in Guatemala, thus providing the largest dataset ever obtained for archaeological research.

Answers

From what we know, we can confirm that the remote sensing technique described in the question is that of laser scanning.

What is laser scanning?

This is, as described in the question, a remote sensing technique. This is a method most often used for land surveys, in which lasers are pointed at the area, which gather information in the form of 3D coordinates, which are later compiled to create detailed maps of the region.

Therefore, we can confirm that the remote sensing technique used by the PACUNAM project in order to map more than 800 square miles of the Maya Biosphere Reserve in Guatemala, is that of laser scanning.

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4 question brainly Est

Answers

The answer is

C. oxygen and sugar

fresh water that flows or is stored in bodies of water on Earths surface

Answers

stored

picture resembles storage cubes

would it be hard to stop a moving shopping cart that is full and moving fast? Explain your answer

Answers

Yes it would because of the fact that it would simply be heavy than an empty shopping cart which is quite light plus it has a high momentum

Choose the substances that can pass through the blood-brain barrier. Multiple select question. all hormones some anesthetics alcohol all metabolic waste all chemotherapy drugs nicotine

Answers

Based on the function of the blood-brain barrier, the substances that can pass through the blood-brain barrier are some anesthetics and all hormones.

What is the blood-brain barrier?

The blood-brain barrier is a network of blood vessels and tissues which selectively allow the movement of certain substances in blood into the brain bit not others which are harmful to the brain.

Some of the substances that can pass through the blood-brain barrier include:

water,oxygen,carbon dioxide, andsome anestheticshormones

Therefore, from the given options, the substances that can pass through the blood-brain barrier are some anesthetics and all hormones.

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What is the density of a mineral used for?

Answers

Answer:

Density is an intrinsic physical property of minerals that relates to the composition of the mineral and to the pattern in which the mineral’s atoms are arranged.

How do gametes differ from other cells in the body?.

Answers

Answer:

How they are different is Somatic cells are any form of a biological cell, other than a reproductive cell.

The __________ communicates with the cerebrum. A. Brainstem B. Thalamus C. Hypothalamus D. Forebrain Please select the best answer from the choices provided A B C D.

Answers

Answer:

c

Explanation:

God bless I hope is it correct

Answer:

B

Explanation:

:)

How long does it take to go through a complete cycle of phases, namely from one New Moon to another New Moon?

Answers

29.5 days
This cycle of phases occurs every 29.5 days, which is the time it takes the Moon to travel once around the Earth and come back to the same position with respect to the Sun.

Ram's father have 3 childrens first one is tina and second one is mina who is third one

Answers

Ram. Rams father= ram is the other child.

The pattern observed when a heterozygote does not show the trait associated with the dominant allele is

Answers

Co-dominance will make the pattern expected for the dominant allele to control the observed trait not to occur.

What is allele?

Genes occur in pairs. These pairs of genes determine which traits are expressed in an organism. The allele has a dominant gene and a recessive gene.

Sometimes, the pattern that is  expected in which the dominant gene is expressed is not observed due to codominance.

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D/B magnetic substance and magnet​

Answers

Explanation:

Substances that are attracted by a magnet are called magnetic substances. Example: Iron, cobalt, nickel, etc.

Describe the process that causes the cloud type
shown to reach heights of over 6000 m.

Answers

Answer:

Explanation:

Clouds are formed when air contains as much water vapor (gas) as it can hold. This is called the saturation point, and it can be reached in two ways. First, moisture accumulates until it reaches the maximum amount the volume of air can hold. The other method reduces the temperature of the moisture filled air, which in turn lowers the amount of moisture it can contain. Saturation, therefore, is reached through evaporation and condensation, respectively. When saturation occurs, moisture becomes visible water droplets in the form of fog and clouds.

gaseous exchange in an insect​

Answers

Answer:

The Spiracles is/are used for gaseous exchange in insects.

Explanation:

The Spiracles is a respiratory structure or an opening found on the exoskeleton of insects. It acts as a medium of gaseous exchange not only for Insects (Insecta) but also for some Arachnid (spiders and others).

Which statement is one component of the cell theory

Answers

Answer is that the cells exist inside the body

Explanation:

i went to science class 1 time in freshmen year

Answer:

All living cells arise from pre-existing cells is one component of the cell theory.  The Cell Theory states: 1. All living organisms are composed of cells. They may be unicellular or multicellular. 2. The cell is the basic unit of life.

f. What happens to the PGAL molecule that does not continue on in the Calvin cycle?

Answers

Answer:

The cell uses it to produce glucose and other biomolecules.

Explanation:

The regeneration of significant quantities of RuBP using PGAL molecules allows the Calvin cycle processes to be repeated. The rearrangement of carbon atoms in three-carbon containing molecules to produce five-carbon molecules is required for RuBP regeneration from PGAL.

~

Hope this helps!

Carbohydrates are polymers formed of structural units called __________. Select one or more: a. nucleotides b. monosaccharides c. amino acids d. fatty acids

Answers

Carbohydrates are polymers formed of structural units called monosaccharides.

What are Carbohydrates?

These are chemical compounds which comprises of the elements Carbon.Hydrogen and oxygen and provide the required energy to the body cells.

It is known as a polysaccharide and is formed from the combination of structural units which are referred to as monosaccharides.

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Do you think you would best like to treat horses, cattle , or pigs ? Why do you think you’d like to work with that particular large mammal?

Answers

I would like to treat horses more. They stay still, they don’t have too many problems, and they are great companions. Plus, their attitude is way better than the others.

A continuation of this will have what immediate impact on the local ecosystem?

Answers

Answer:

Understanding the status and trends of ecosystem services (ES) in a changing environment is important for identifying effective management measures of multifunctional mangrove ecosystems. Mangroves and their ES are jeopardized by a complex set of factors, with impacts that are experienced at local levels, especially in developing countries, where people often rely directly on natural capital for their livelihoods and well-being. This study was set to explore how local communities in the Rufiji Delta, situated in central coastal Tanzania, perceived the status and trends in mangrove ecosystem services (MES), associated drivers of change and the impacts of changes in MES on local livelihoods. A mixed methodological framework (including focus group discussions, key informant interviews, household surveys and direct observations) was used. People from villages close to mangroves rated the status of MES higher than those in villages distant from mangroves. Provisioning services (P) were often perceived to be in a worse and more declining state than regulating (R), cultural (C) and supporting services (S). A decrease in availability of poles and firewood (P), decline of fish habitats (S) and an increase in education value (C) were the most commonly perceived changes of MES in the study area. Illegal harvesting of mangrove poles, rice cultivation, climate change and inadequate management were seen as the most critical drivers of mangrove degradation, although the perceptions differed between sites. Rice farming was perceived to be a primary cause of mangrove loss by communities far from mangrove forests, while illegal exploitation was identified as the major driver by communities near mangroves. Fishing, collection of poles and honey were perceived as the most impacted livelihoods depending on MES. This together with the comparatively low status and declining trend of these MES indicate that they should be of high management priority as indicated by the first order management index used in this study.

Explanation:

Hope this helps! :)

If you wanted to design a tissue that restricted the movement of water and other molecules between adjacent cells, which type of junction would you use to connect the cells?.

Answers

Answer:

Candy Land

Explanation:

I used to have it as a kid. Fun game! :D

As blood volume decreases, blood pressure ____________ . If greater than ____________ of the blood volume is lost from the blood vessels, the ____________ division of the autonomic nervous system (ANS) is activated, bringing about ____________ vasoconstriction of blood vessels, increased heart rate, and force of heart contraction in an attempt to maintain blood ____________ . These processes are effective in maintaining blood pressure until approximately _______

Answers

Explanation:

Decreases, 40%, Sympathetic, Increased, Pressure, 10%.

Who first recognized the cell as the universal unit of life?
Virchow
van Leeuwenhoek
Hooke
Schleiden and Schwan

Answers

Answer: Robert Hooke

Explanation:

He had observed the cells in thin sliced corks using a microscope.
Hope This Helps Anyone Out.

What is the main function of the cytoplasm in a plant cell?.

Answers

Answer:

the cytoplasm functions to support and suspend organelles and cellular molecules. they also have a role in maintaining the shape and consistency of a plant cell

Can someone help me with that question

Answers

Answer:

fine details such as the wings, legs and other fragile structures are preserved effectively giving us a window into how the preserved organism would have appeared in life. without the presence of amber, we wouldn't be able to examine a majority of small prehistoric organisms.

Explanation: amber is able to preserve a snapshot of the ancient world in ways that other forms of fossilization simple fails to do. while an imprint of a feather could be preserved in rock the actual feather could be captured within amber. Amber also preserves small organisms that otherwise would have been lost to time such as the insects seen in the photo above.  And much like the gecko seen below it can show us how these organisms truly appeared in life.

In man, hitchhiker's thumb is domiant to a straight thumb, and brown eyes is dominat to blue eyes. If a man that has a straight thumb and brown eyes in the heterozygous form marries a woman that is heterozygous for hitchhiker's thumb and blue eyes, what is the chance that one of their children will have a straight thumb and blue eyes?

Answers

Answer:

25%

Explanation:

T = Hitchhiker's thumb

t = straight thumb

B = Brown eyes

b = blue eyes

The man's genotype is ttBb

The woman's genotype is Ttbb

Make a dihybrid punnett square to find the possible genotypes of the offspring

ttbb is straight thumb and blue eyes. There are 4 out of 16 genotypes with this phenotype so:

Divide 4 with 16 and multiply by 100 to get the percentage of offspring with that phenotype

4 ÷ 16 = 0.25

0.25 × 100 = 25%

Question 1

Which of the following molecules does NOT enter the cell via facilitated diffusion?

Fats
Nucleotides
Amino acids
Sugars
Monosaccharides

Answers

The molecule that does not enter the cell via facilitated diffusion is :

( A ) Fats

Facilitated diffusion

Facilitated diffusion is a type of spontaneous transport system ( passive ) in which charged and polar molecules such as carbohydrates, Amino acids, Nucleotides and ions move across a biological membrane. with the aid of a specific transmembrane integral proteins  while

Fats ( fatty acid ) enters the enterocyte through simple diffusion process via the plasma membrane.

Hence we can conclude that The molecule that does not enter the cell via facilitated diffusion is Fats.

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Which of the following is the correct definition of biotechnology?

Answers

Answer: Biotechnology is the area of biology that uses living processes, organisms or systems to manufacture products or technology intended to improve the quality of human life.

Explanation:

Your welcome

Answer:

The cornea and the lens help to focus the light rays onto the back of the eye { RETINA}. The cells in the retina absorb and convert the light to electrochemical impulses which are transferred along the optic nerve and than to the brain.

In pneumothorax, the lung collapses because ______.

Answers

Answer:

here's your answer hope it helps you

Explanation:

a pneumothorax occurs when air leaks into the space between your lung and chest wall. this air pushes on the outside of your lung and make it collapse.

It should be noted that In pneumothorax, the lung collapses because air leaks into the space between  lung and chest wall.

What is pneumothorax?

pneumothorax can be regarded as one that occur when air leaks into the space between your lung and chest wall.

Then this air is been pushed on the outside of the lung then it will it collapses.

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Give 3 examples of humor in chapter 5 of The Great Gatsby. Fill in with "qu'est-ce que" , "quel" , "quelle"1. Quelle est votre profession? ............. vous faites? 2. ......................... est votre adresse? ........................... est votre ge?3. ........................ vous faites cet t? ......................... est votre programme?4. .......................... est le menu aujourd'hui?..................... tu manges? 12. Find one solution for each equation. Assume all angles are acute anglesa. cos(0 + 4) = sin(30 +2) pls can u gus tell me the ans and explanation PLS ANSWER AS SOON AS POSSIBLE What is the attraction between molecules within a substance called? adhesion capillary action cohesion polarity. a computer printer has a width of 18in. What is its width in meters True or false:Family members have similar genetic codes Help to solve for x by completing the square Is valentine's Day a true hoilday worth spending money? Why or why not? The ratio of the number of circles to the number of triangles in simplest form is .The number of circles that need to be added to make the ratio 1 : 1 is . Jerry solved the system of equations.x minus 3 y = 1 7 x + 2 y = 7.As the first step, he decided to solve for y in the second equation because it had the smallest number as a coefficient. Max told him that there was a more efficient way. What reason can Max give for his statement?The variable x in the first equation has a coefficient of one so there will be fewer steps to the solution.The variable x in the second equation has a coefficient of 7 so it will be easy to divide 7 by 7.The variable y in the second equation has a coefficient of 2 so it will be easy to divide the entire equation by 2.The variable x in the second equation has the largest coefficient. When dividing by 7, the solution will be a smaller number. ________there live a family of bears in a lovely wooded area.The home as____some trees._____a small stream.One day______the bears were not home,a little girlcame to the house _____,she knock at the door._____even though bo one answer her knocked,she entered the returned home._____she ate some of the bears food and she napped on one of their beds_____the bears return home.They surprised to see their door open.Their roars woke up the girl,and she fearfully ran from the house help pls. 20 ptsMatch each rational number with a point on the number line.(Be sure to use the numbers 1 through 4 to indicate which rational number goes in each answer box) Use the number lines below to fill in an equivalent fraction.1/4 Companies that pay people to be product ambassadors rely on which tendency? what is the slop of the line A. 2 B. -1/2 c.1/2 D.- 2 Somebody pls help me All businesses are required to make sure that the disabled can ______. A. Afford the things they need to buy b. Easily access all areas of the business c. Find a job that meets their needs d. Be approved for store credit cards Please select the best answer from the choices provided A B C D. help ill give brainlest pls Please, help with these 3 questionsplease!