What type of selection occurs when individuals
with traits at either extreme have higher
fitness than those individuals in the middle?
A. directional
B. stabilizing
C. disruptive

Answers

Answer 1

Disruptive type of selection occurs when individuals with traits at either extreme have higher fitness than those individuals in the middle. Hence option c is correct.

Natural selection happens when people with a particular genotype have a higher chance of surviving, reproducing, and passing on their alleles to the following generation than individuals with a different genotype.

When those at the upper and lower extremities of the curve are more fit than people in the middle, disruptive selection takes place. Disruptive selection targets people of an intermediate type, and it can result in the emergence of two different phenotypes.

African seed cracker birds' various beak sizes show evidence of disruptive selection. The beaks of the birds vary in size, and they eat seeds. There were two different sizes of seeds available: tiny and large.

To know about disruptive

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Related Questions

Which statement is true of gravity?

A. gravity takes up space

B. everything that has mass, has gravity

C. gravity can be seen

Answers

B. Everything that has mass, has gravity

Question 2 of 10
of the places listed, where would you expect to find the lowest air pressure?

Answers

Answer:

The lowest measurable sea-level pressure is found at the centers of tropical cyclones and tornadoes, with a record low of 870 mbar (87 kPa; 26 inHg).

Answer:

if these are your choices:
desert
beach
sea level
mountaintop

its mountaintop

Explanation:

A)Exons 2 and 3 must have the same number of nucleotides. B)Exons 2 and 3 must contain an integral number of codons (that is, the number of nucleotides divided by 3 must be an integer). C)Exons 2 and 3 must contain a number of nucleotides that when divided by 3, leaves the same remainder (that is, 0, 1, or 2). D)Exons 2 and 3 must have different numbers of nucleotides. Multiple Choice

Answers

Answer:

Statement C is the only one that is necessarily true for exons 2 and 3. It is also true for exons 7 and 8. While statements A and B could be true, they don’thave to be. Because the protein sequence is the same in segments of the mRNA that correspond to exons 1 and 10, neither choice of alternative exons (2 versus 3, or 7 versus 8) can alter the reading frame. To maintain the normal reading frame—whatever that is—the alternative exons must have a number of nucleotides that when divided by 3 (the number of nucleotides in a codon) give the same remainder. Since the sequence of the a-tropomyosin gene is known, it is possible to check to see the actual state of affairs. Exons 2 and 3 both contain the same number of nucleotides, 126, which is divisible by 3 with no remainder.

Both starch and cellulose are made by stringing together many glucose molecules, but starch is easily digested by humans, while cellulose is indigestible. The starch polysaccharide has every bond occurring below the sugar rings while the bonds in cellulose alternate between one bond above the ring and the next below the ring. How can you explain humans' inability to digest cellulose

Answers

Answer:

See explanation

Explanation:

The ability of humans to digest starch and cellulose depends largely on the presence or absence of enzymes that can hydrolyze the starch or cellulose linkages thereby making it digestible.

Starch can easily be digested but cellulose can not be easily be digested because human beings lack the necessary enzyme responsible for hydrolysing the beta-acetyl linkages in cellulose. As a result of this, humans do not metabolise cellulose.

Here is a food web:



Which of these correctly describes what the arrow stands for?

a. Eats

b. Gets energy from

c. Provides energy to

d. Depends on

Answers

Answer:

Mark me Brainliest

C. Provides energy to

Which of the following correctly describes a tetrad?
A.Four daughter cells created at the end of meiosis
B.Two daughter cells created at the end of mitosis
C.A homologous pair of chromosomes
D.Two sister chromatids formed during interphase

Answers

Answer:

A.Four daughter cells created at the end of meiosis

A tetrad is best described by Four chromatids. It is formed from two homologous chromosomes, each consisting of two chromatids in the first stage of meiosis called prophase1.

Answer:

a and c I believe so home it helped

ở người, biện pháp tránh thai nào sau đây dựa trên cơ sở ngăn cản trứng chín và rụng? a: thắt ống dẫn tinh. b: đặt vòng tránh thai. c: uống thuốc tránh thai. d: thắt ống dẫn trứng.

Answers

Answer:

i dont speak enchantment table

Explanation:

"Red rust is one of the destructive diseases in tea plants which results adverse effect on tea yield. It is caused by a type of algae." Which discipline of Biology is related to explain the above statement? a. Mycology b. Agronomy c. Pathology d. Phycology

Answers

Answer:

C

Explanation:

The correct answer would be plant pathology.

The branch of biology that is generally concerned with the study of diseases is referred to as pathology. When such a study has to do with plants, it is known as plant pathology.

Mycology is the branch of biology that has to do with the study of fungi, phycology deals with the study of algae, while agronomy deals with the study of economically important crops.

Hence, the correct option is C.

Where does cellular respiration get the energy to make ATP?
A. Chemical energy from sugars.
B. Light energy from the Sun.
C. Energy stored in the covalent bonds of water molecules.
D. Energy stored in the covalent bonds of carbon dioxide molecules.

Answers

Answer:

im un sure it might be B.

Explanation:

You don't have to if you don't.

Answer:

A . the chemical energy from sugars

Plz answer, will give brainliest

Answers

Answer:

a. (black fur): phenotype

b. (AA, Aa, aa): genotypes

c. (Aa): heterozygous

d. (aa): hom0zygous recessive

e. (AA): hom0zygous dominant

Explanation:

I took genetics and biology I hope this helps !!


Which determines carrying capacity?

Answers

Carrying capacity, or the maximum number of individuals that an environment can sustain over time without destroying or degrading the environment, is determined by a few key factors: food availability, water, and space.

The availability of abiotic factors (such as water, oxygen, and space) and biotic factors (such as food) dictates how many organisms can live in an ecosystem.

In a well-fed human eating a Western diet, the richest source of stored chemical energy in the body is ________. In a well-fed human eating a Western diet, the richest source of stored chemical energy in the body is ________. glucose in the blood fat in tissue calcium phosphate in bone glycogen in muscle cells protein in muscle cells

Answers

Answer:

fat in tissue

Explanation:

Biomolecules like carbohydrates, fats etc. are well known for their energy storing abilities. Glucose, as a carbohydrate, is the most used source of energy but is stored in excess as glycogen in the muscle and liver cells.

However, fats are far more efficient in storing energy than carbohydrates or proteins because they give more ATP per molecule. Fats are stored in tissues of the body called ADIPOSE tissues. Hence, the richest source of stored chemical energy in the body is FATS IN TISSUES.

2)
«ՈՒՐԱՐ,
A
B
C
Which of the molecules above is a tRNA molecule?
none of the above.
A
Ծ Ծ Ծ Ծ
C
B

Answers

Answer:

B

Explanation:

Transfer RNA (tRNA) is an RNA molecule involved in the process of translation by which cells synthesize proteins. These molecules (tRNAs) have 76-90 nucleotides in length which form characteristic stem-loop structures, and they are considered adaptor molecules because tRNAs serve as the physical link between the messenger RNA (mRNA) and specific amino acid residues of the growing polypeptide chain. A tRNA is composed of a trinucleotide region (i.e., the anticodon region) that binds to the codon in the mRNA, and a region that attaches to a specific amino acid in order to transfer it to the ribosome, where protein synthesis takes place.

Answer:

b

Explanation:

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what part of a glucose molecule provides electrons in cellular respiration?

Answers

Answer:

Hydrogen atoms are the part of the glucose molecule that provides electrons in cellular respiration.

OAmalOHopeO

Hydrogen atoms are the part of the glucose molecule that provides electrons in cellular respiration. (b) Electron transport complexes set up a proton gradient by passing protons from the mitochondrial matrix to the intermembrane space. NADH gives up the two electrons it carries to NADH hydrogenase.

Explain why chewing of boiled rice in the mouth for two minutes is chewing change?​

Answers

Answer:

The rice changes form inside of the mouth when chewing

What keeps the Sun from expanding any further? A. Solar wind B. Hydrogen C. Gravity D. Visible light

Answers

Answer: The answer is B. Hydrogen.

Explanation:

What is the name of for a different froms of gene

Answers

I’m guessing you’re talking about an allele, that would be your answer.

Lateral meristem meaning

Answers

Answer:

Secondary meristems, or lateral meristems, are responsible for secondary growth, or an increase in the girth and thickness of the stem. Meristems are crucial for wound healing because they regenerate from other cells in damaged tissues.

OAmalOHopeO

do you think each form of water is emportant? why?​

Answers

Answer:

yes, because Water is very important to the human body. Every one of your cells, organs and tissues use water to help with temperature regulation, keeping hydrated and maintaining bodily functions.

Answer:

yes

Explanation:

because Water is very important to the human body. Every one of your cells, organs and tissues use water to help with temperature regulation, keeping hydrated and maintaining bodily functions.

In Meiosis, the cells produced are what?

Answers

Answer:

daughter cells

Explanation:

sorry have to write for 20 characters

What process occurs during transcription? (2 points)
Synthesis of proteins that are coded for by mRNA
Copying of DNA to form an mRNA strand
Replication of DNA to produce a complementary DNA strand
mRNA folding up by forming complementary bonds with itself

Answers

Answer:

Copying of DNA to form an mRNA strand

Explanation:

In transcription, DNA is copied to form an mRNA strand with complementary bases.

The DNA strand being copied during the process is called the template strand, and the mRNA that is made will be created from that strand.

This is the first step of protein synthesis.

This strand of mRNA is further used during translation, where it is used to code for amino acids to make proteins.

So, the correct answer is Copying of DNA to form an mRNA strand

Answer:  The correct answer is Copying of DNA to form an mRNA strand

Explanation:  Confirmed correct


*K-selected
*r-selected
If a group of (. )
species lived together in a small area, the carrying capacity of that area would probably
collapse quickly.

Answers

Explanation: Unlike the r-selected species, the size of the population of K-selected species is fairly the same with time. The r-selected species generally lies below the carrying capacity, and the size of the population is density-independent. On the other hand, the K-selected species are generally at or close to the carrying capacity and the size of the population is density-dependent.

Interphase plays an important role in preparing a cell to divide. Which of the following events takes place during interphase?
A. The cell copies its DNA and grows.
B. DNA and proteins condense into tightly coiled chromosomes.
C. Spindle fibers attach to each chromosome and align them along the cell equator.
D. Cytokinesis takes place, dividing the cytoplasm between the two daughter cells.

Answers

The correct answer is A. In the first step of Mitosis, the Interphase is when the DNA is copied and the cell grows. A.

Many plant pathologists believe that plant resistance is based upon the interplay of different signaling molecules? Justified.

Answers

Answer:

Yes.

Explanation:

Many plant pathologists believe that plant resistance is based upon the interplay of different signaling molecules because plants have various signaling molecules that plays a great role in their growth and development. Ethylene, auxin, cytokinins, gibberellins, and abscisic acid are the growth regulators that controls the growth of plants in different conditions i.e. in resistance. These signals leads the plant to take measures in difficult situations experience by the plants so in this way the plant is resistance to the harsh environmental condition.

Please I need help with this

Answers

Answer:

nucleus : control activities in the cell. 2, vacuoles: it allows substances in and out of the cell.

Determine which of the following statements is true about energy in ecosystems. A. Producers are able to convert 40% of the sun’s energy into chemical energy. B. 30% of the sun’s energy cannot be absorbed by producers because it is in the wrong wavelength of light. C. Producers only absorb 40% of the sun’s energy, most of which is lost during photosynthesis. D. Producers absorb 5% of the sun’s energy, and reflect 5% of the sun’s energy.

Answers

Answer:

A. Producers are able to convert 40% of the sun’s energy into chemical energy.

Explanation:

Energy in an ecosystem must be transferred in the ecosystem. The primary source of energy in an ecosystem is the sun. The terrestrial ecosystem mostly consists of plants and marine ecosystems. As energy flow in an ecosystem is unidirectional. It passed from the organism from one tropic level to another. Only 10% of the energy is available to them.

Answer:

Its C

Explanation:

what are the different forms of water in the environment​

Answers

Explanation:

Water is present in oceans, seas, lakes, rivers, ice caps, as groundwater and in the atmosphere. Water exists in different forms. On the earth's surface, there are three different forms of water namely solid, liquid and gaseous.

Solids, liquids, and gases are the forms. For example, the poles are cold, so the water at the poles are solid. When water is evaporated into the clouds or to make humidity, it is gas, and lastly when it rains or the body of oceans makes it liquid.

Which of the following is NOT a nucleic acid?
A.DNA
B.RNA
C.mRNA
D.Reverse transcriptase

Answers

D.

- The NA in the first three stands for Nucleic Acid

IN YOUR OWN WORDS, what is the definition for color blindness (include what is special about how this is inherited)

Answers

Answer:

Color blindness is the inabiliy to see certain colors of the color spectrum. This disease is hereditary and passed down from your parents.

Explanation:

Answer:

Explanation:

Yes

IN YOUR OWN WORDS, what is the definition for point mutation

Answers

Answer:

Explanation:

It is like expressing something

Point mutations is a mutation of nucleotides
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