g a true breeding pea plant with round and green seeds was crossed to a true-breeding pea plant with wrinkled and yellow seeds. Round and yellow seeds are the dominant traits. The F1 plants were allowed to self-fertilize. What is the probability that an F2 plant will be green and round?

Answer:

Their erected pose, bipedal locomotion, broader brains and behavioural characteristics, such as specialised language communication, are some characteristics that distinguish hominins from other primates, both living and ended.

Explanation:

Answer is above

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Answer: Some characteristics that have distinguished hominins from other primates, living and extinct, are their erect posture, bipedal locomotion, larger brains, and behavioral characteristics such as specialized tool use and, in some cases, communication through language.

Explanation:

Answer:

The King of Hearts in Deck of Cards is the answer to this riddle

Explanation:

Answer:

Pseudopod

Explanation:

Answer:

spiders are.   generally ectotherms.Their internal temperature depends on external temperature transfer.They are also poikilothermic because the body temperature varies with that of the external environment.,

In animals, individual cells are grouped into  tissues. e,g Blood. The tissues gives rise to organs.

A main function of most types of epithelial tissue is covering surfaces.They line major all hollow surfaces, and covering body surfaces.

Resorption id the movement of fluid from the glomerular filtrate back into the blood. Ions, glucose,and other escaped metabolites are returned to the blood stream.

In humans, goosebumps are a vestige of a mammalian adaptation to thermoregulation. This is a thermoregulatory mechanism to regulate the body temperature,Goosebumps emits heat,  to turn the moisture from the skin  to vapour. This evaporate to release this moisture, which cools the body.

Explanation:

Answer:

Mitosis is true about reproduction that involves Meiosis. Somatic cells are segregated to produce the replica of same. This is the way skin and other body places are thoroughly replaced.

Explanation:

Answer:

Reproduction is the biological process by which new individual organisms "offspring" are produced from their "parents".

True

Explanation:

Answer:

Ecological pyramid is a graphical representation showing the biomass or bioproductivity at each trophic level in a given ecosystem.

Limitations

The ecological pyramid does not take into account the same species belonging to more than one trophic level.

Answer:

Sodium will let that electron go as soon as it can, which is why it generally forms ionic compounds such as NaCl. When sodium atom loses an electron from its outer energy shell, it becomes Na+ ion. D is the answer

Explanation:

Answer:

Cellulose is a macro molecule with  high storage of energy lodged in its molecules.Therefore, this high energy content is a good advantage for Biofuel.

However, the mass e  of the hydrogen bonds holding  it molecules makes it difficult to undergo hydrolysis to glucose. This is a disadvantage which may affect the production of biofuel from cellulose.

Explanation:

Answer:

a cell wall, a large central vacuole

Explanation:

Most organelles are common to both animal and plant cells. However, plant cells also have features that animal cells do not have: a cell wall, a large central vacuole, and plastids such as chloroplasts.

Answer:

Promoter Strength

Explanation:

More than increasing mRNA stability, the promoter strength can be tuned to increase the gene expression by producing more quantities of the mRNA. The strength is based on efficient promoter recognition and rapid binding of the DNA polymerase.

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Answer:

Promoter Strength

Explanation:

A promoter is a DNA sequence that can recruit transcriptional machinery and the sequence promoter is what determines the strength of the promoter ( a strong promoter leads to a high rate of transcription initiation).In regards to mRNA stability, the promoter strength can be tuned to increase the gene expression by producing more quantities of the mRNA. The tuning of promoter strength is based on efficient promoter recognition and rapid binding of the DNA polymerase.

Answer:

According to the biological concept of species, this statement confirms that the Big Bird lineage is a separate species.

Explanation:

The biological species concept states that species are groups of organisms capable of interbreeding and producing fertile offspring. Ernst Mayr (1970) literally stated that "species are groups of interbreeding natural populations that are reproductively isolated from other such groups". This statement is consistent with the lack of gene flow and reproductive isolation. In consequence, the biological concept of species is supported by above described, i.e., Big Bird males breed only with Big Bird females.

You can read this book:

Mayr, E. (1970). Populations, species, and evolution: an abridgment of animal species and evolution (Vol. 19). Editorial: Harvard University Press.

Technically this can be answered in a number of ways. But in elementary biology the cell is considered to be the basic unit of life.

Answer:

Biosphere

Atmosphere

Oceans

Soil Organic Matter

Answer:

All spheres feel the effect of a volcanic eruption and earthquake

Explanation:

The spheres considered include the lithosphere, biosphere, atmosphere, hydrosphere and anthroposphere. Volcanic eruptions result from the movement of molten magma from below the earth crust either gently or in an explosive form while earthquakes are caused by the seismic movement of waves in the earth crust resulting in intense shaking. The lithosphere is where both the volcanic eruption and earthquake are triggered. This usually results in damage to the earth crust and damage the surface of the earth crust as well called the mantle. The biosphere made up of plant and animals is usually destroyed by both earthquakes and volcanic eruptions due to being swallowed up below the ground as well as the release of toxic gases from below that can affect their chances of survival. The atmosphere made up of the gases in and around the clouds and air we breathe become polluted, visibility becomes impaired and life unbearable as a result of volcanic eruptions and earthquakes. The hydrosphere made up of water body is seriously affected as pollutants such as toxic substances from the magma and even waste are brought to the surface to contaminate our source of livelihood and survival which is water. Pollutants in the air are also washed into water bodies when it rains. The anthroposphere made up of humans and their activities on the earth surface are severely impacted by volcanic eruption and earthquakes. Scenes of building collapse, molten magma killing humans and destroying buildings will be too much to bear. There will be no food as agriculture will be severely impacted hence making human survival nearly impossible.

Answer:

Biosphere

Explanation:

Biosphere is the sphere of Earth where the living beings stay.

Answer:

(B). Biosphere

Explanation:

just took quiz

Answer:

During the process of replication, the double stranded DNA separates when several enzymes act to break the bond between base pairs in two strands.

There are four base pairs in DNA that includes thymine, cytosine, guanine and adenine. these bases determines DNA's instructions, or genetic code.  The four bases are allowed to encode the sequence of amino acid residues in proteins by making a pair of three codons that carry genetic codes and helps on the process of transcription and translation.

For example: if the DNA sequence is having bases ATGCCGG, its complementary base pair will be UACGGCC, lets make pair of three codons UAC that codes for amino acid Tyrine and GGC codes for glycine.

Bases are components of nucleotide and  nucleotide are the basic building blocks of DNA and RNA.

If DNA will separate from any other point then it will not able to carry the genetic code. hence, DNA separates between the bases only.

It is important that the molecule is separated between the bases and not at some other point because nucleotide order is fundamental to obtain two genetically identical DNA molecules.

DNA is a self-replicating molecule that is fundamental for life by assuring of the perpetuity of the genetic material.

In conclusion, it is important that the molecule is separated between the bases and not at some other point because nucleotide order is fundamental to obtain two genetically identical DNA molecules.

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Answer:

C2H2O4

Explanation:

The molecular formula corresponds to this model of a chemical compound is to be considered as the C2H2O4.

Since

Two black balls (C) bonded to each other at the center = C2

And,

Single-bonded red balls (O) bonded to white balls (H) above left and below right = (OH)2 = O2H2

And,

Double-bonded red balls above right and below left = O2

So if we add this

So it comes

= C2 + O2H2 + O2

= C2H2O4

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Answer:

The answer is A.

Explanation:

An IP address is a series of four numbers separated by periods.

Each of your kidneys is made up of about a million filtering units called nephrons. Each nephron includes a filter, called the glomerulus, and a tubule. The nephrons work through a two-step process: the glomerulus filters your blood, and the tubule returns needed substances to your blood and removes wastes.

Answer:

Cytoplasm is Located inside the cell between the nucleus and the cell membrane.

Answer:

Telophase I

Explanation:

Meiosis is a kind of cell division employed by sexually-reproducing organisms to produce gametes. It involves the production of four daughter cells (gametes) that each have a reduced number of chromosomes as the parent. Meiosis occurs in a two step division (meiosis I amd II), that involves four major steps each viz: Prophase, Metaphase, Anaphase, and Telophase

In meiosis I, homologous chromosomes (similar but non-identical chromosomes received from each parent) are involved in the steps.

Prophase I- Homologous chromosomes pair up to form a TETRAD structure called synapse. This describes step A

Metaphase I- Homologous chromosomes line up at the cell's equator in order to be pulled apart by spindle microtubules. This describes step B

Anaphase I- Homologous chromosomes are pulled apart to opposite poles of the cell. This describes step C.

Telophase I- Each homologous chromosome consist of two sister chromatids, which remain together in opposite cells. This describes step D

Step E described Cytokinesis, which is the separation of the cell into two daughter cells.

Hence, step D is the Telophase I stage.

Answer:

telophase I

Explanation:

The correct answer is A) bb

Explanation:

In genetics, an allele is a variation of a gene, which often determines a physical trait. Alleles are classified as dominant if they express even when there are other alleles or as recessive if two copies of the same allele are needed for the gene to express. Moreover, in genetics dominant alleles are represented by uppercase letters while recessive alleles are represented by lowercase letters.

In this context, the allele that is responsible for the brown coat in rabbits is a recessive allele, considering this is represented by lowercase b. This means two copies of the allele are necessary for the rabbit to have a brown coat and therefore the genotype of a brown coat is bb. Also, others such as Bb and BB have the dominant allele related to the black coat, and therefore will lead to rabbits with a black coat.

Answer:

- the answer for the exercise 6 is water

- the answer for the exercise 7 is population

- the answer for the exercise 8 is ecosystem

Answer: The amount of carbon dioxide will keep on increasing in the atmosphere because there are various sources by which it can be released into the environment. The burning of fossil fuel, emission from vehicles, gases released from industries contributes to the increase in amount of carbon dioxide in environment.

Explanation:

Answer:

Gas

Explanation:

Gas has the most kinetic energy.

Gas has the most energy than the solid ones.

Three states of matter

1: solid

2: liquid

3: Gas

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Answer:

3

Explanation:

you can Google all of these and add the word definition at the end of each and it will give you the definition

Answer/Explanation:

From the diagram attached below, we can match the reproductive strategy or structure each species uses which ensures the survival of their offspring as follows:

1. Elephant => herds young in to center of group

The Elephant usually keep their young ones at the middle of the herds to prevent their young ones from being preyed on easily by predators.

2. Frog => Pduces many offspring at once to protect against high predation risk

The young one of frogs are easily preyed on by predators, and as such, to ensure more of their offspring survive, they produce so many offspring in a breeding season, in order to increase thee survival of their offspring to the next generation.

3. Pine cone => Protects offspring until environmental conditions are ideal for growth