3. Explain how the inheritance pattern for the crest trait is different from that for the
slipper trait. Use specific examples of genotypes and phenotypes of these inheritance
patterns to justify your answer.

Process of detecting environmental stimuli and then converting them into signals that can be detected by  nervous system is called: B) sensation.

Sensation is the process by which we receive information from the environment and our senses respond to a limited range of environmental stimuli. We cannot hear sound of frequencies above 20,000 Hz but dogs can hear them.

Stimuli means an event that causes a functional reaction in a tissue or organ and is the detectable change in the structure of an organism.

Reception is the first step in sensation. Reception is the activation of sensory receptors by stimuli such as mechanical stimuli, chemicals, or temperature.

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A few techniques that can be used to anchor aquarium plants in substrate for healthy growth includes; Tieing the plant to a rock or piece of driftwood, Using plant weights, Planting the plant in a pot and Using aquarium glue.

Tying the plant to a rock or piece of driftwood: This method works great for plants with rhizomes, like Anubias and Java Fern, as you mentioned.

Planting the plant in a pot: Some plants can do well when planted in pots with their preferred substrate. This is good because it is in a controlled enviroment and you can move plant without disturbing the plant.

plant weights: This method is said to be okay for buoyant plants that tend to float away before their roots can establish. However this can be disadvantagous if the weight is made with lead.

aquarium glue: This can be very effective for certain types of plants. It's important to use a glue that is safe for aquarium use (i.e., cyanoacrylate-based glues).

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Answer:

limiting factors are often referred as a lack of a particular resource .

The balance of nature is a theory that proposes that ecological systems are usually in a stable equilibrium or homeostasis, which is to say that a small change (the size of a particular population, for example) will be corrected by some negative feedback that will bring the parameter.There is a delicate balance between predator and prey. The ecosystem is often balanced when the living organisms such as plant, humans, and animals are in harmony. Humans are key in maintaining such a balance since the balance is dependent on their activities.

Answer:

A.

Explanation:

A high reproductive rate means a larger gene pool, and traits which benefit stand above the rest better, and are kept in the population. No related species would allow for only the small gene pool to continue in a slow evolutionary pace. Stable ecosystem does not generally require an organism to adapt.

The factor that can increase the chances of a species evolving by natural selection is genetic variation. Therefore, option "A" is correct.

The difference in the gene sequence can be between interspecies and interindividual.  The primary force behind the process of natural selection is genetic variation. Gene variation is the result of different forms of alleles.

The variants which result in genetic alternation are single nucleotide polymorphisms or variation, copy number variation, structural variation, translocation, insertion, deletion, and inversion. These result in the formation of different alleles resulting in genetic variation.

Therefore, genetic variation results in different skin colors, and hair colors.

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The theory of the new corona virus's transfer from bats to people is covered in the explanation that follows.

The severe acute respiratory syndrome coronavirus 2 was produced as a result of cross-species transmission and is the culprit behind COVID19 (SARS-CoV-2). Coronaviruses are a large family of viruses that may infect a variety of hosts.

The host ACE2 protein and TMPRSS2 cleavage of the surface (S) protein are required for SARS-CoV-2 entrance. ACE2, a species-specific barrier, may prevent the bat-to-human coronavirus from spreading across species boundaries. Bats were confirmed as SARS-natural CoV's hosts by a molecular analysis, and they were also linked to the genesis of MERS-CoV.

A novel coronavirus called the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) evolved as the cause of COVID19 as a result of interspecies transmission.

Coroviruses are a large family of viruses that may infect a variety of hosts. For SARS-CoV-2 entrance, the surface (S) protein must interact with the host ACE2 protein and TMPRSS2 must be cleaved.

The species-specific barrier ACE2 may stop the bat-to-human coronavirus from spreading. A molecular analysis established bats as the SARS-natural CoV's hosts and linked them to the establishment of the MERS-CoV. Given the genetic resemblances between the SARS-CoV-2 strain and the bat RaTG13 CoV strain, it is believed that the most recent outbreak was caused by bats.

Compared to the human TMPRSS2 sequence, the pangolin ACE2 amino acid sequence has a greater evolutionary distance from bats and a lower evolutionary distance from humans. When comparing SARS-CoV and SARS-CoV-2 origins, the civet, the main intermediate host of SARS-CoV, has lesser ACE2 evolutionary divergence with humans than pangolin. The pangolin has evolved into an appropriate host for intermediate SARS-CoV-2 leap and entrance from bat to human as a result.

The study of links and evolutionary histories between or among groups of species is known as phylogenetics. These links are inferred using phylogenetic inference methods that focus on heritable traits that can be observed, including DNA sequences, protein amino acid sequences, or morphology.

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Answer:

Metabolic degradation, excretion, and repair.

Explanation:

Answer:

False

Explanation:

The main cause of man-made erosion is agriculture, followed by construction and mining.

Where humans once used sticks and stones, they have since developed technology that dramatically accelerated the speed of erosio.

Hence, if human descions are to control the soil erosion then there will be a very big impact on living conditions.

Answer:

false

Explanation:

The pressure would be changed to 4 atm in the machine to bring 500 ml of air into the lungs.

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If this experiment was a protein X western blot (using an anti-X antibody) instead of a hybridization experiment then:-

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Answer:

less space between them

Explanation:

because they are particles

Answer:

All living organisms except plants need oxygen, as oxygen is what ignites all living things .. Plants take carbon dioxide and produce oxygen gas through the process of photosynthesis.

Answer:

Oxygen plays a critical role in respiration, the energy-producing chemistry that drives the metabolisms of most living things. We humans, along with many other creatures, need oxygen in the air we breathe to stay alive. Oxygen is generated during photosynthesis by plants and many types of microbes.

Answer:

True

Explanation:

This statement is true. The temple ruins at Pozzuoli that is located in Italy have displayed rapid rises and falls, relative to sea level and no sea-level changes have in the past 500 years when it comes to that.  Sea level rise can be tracked nowadays and people can see if the sea level is rising at the time or not.

Answer:

I didnt have the same question as u guys for me it was this and the following and for the ppl who has this same exact question here. :D

The answer for this is A.

A. temple ruins as Pozzuoli, Italy

B. tombs from fourth century BC are underwater on the island of Crete in the Mediterranean

C. Venice, Italy sinking into the sea

D. campsite of habitation off the coast of La Jolla, California found at depths ranging between 3 and 12 meters

HOPE THIS HELPS :P

Watson and Crick's model explained mutability because bases pairs can suffer changes (mutations) during DNA replication. Moreover, this model also explained stability because DNA strands are held together by hydrogen bonds.

Deoxyribonucleic acid (DNA) is a double helix molecule composed of two long chains of four types of nucleotides, each containing one different nitrogenous base, i.e., Adenine, Guanine, Cytosine and Thymine.

In Watson and Crick's model, both DNA strands are held together by hydrogen bonds between nitrogenous bases on opposite DNA strands, thereby providing stability to the DNA molecule.

In DNA, Guanine always pairs with Cytosine by three hydrogen bonds, while Adenine always pairs with Thymine by two hydrogen bonds.

Moreover, Watson and Crick suggested that mutations could occur as a consequence of a base occurring very infrequently in one of the less likely tautomeric forms during DNA replication, thereby also explaining the mutability of life.

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The example of elemental carbon is diamond and it is pure form of carbon. Thus, option A is correct.

Elemental carbon is pure form of carbon and it does not contain other elements and present in natural form. Due to this reason it is known as elemental.

In elemental form pure atoms are not attached to any other atom. Example is diamond which is allotrope of carbon in which there is only carbon atom attached to each other.

Methane and proteins are compounds consist of a combination of carbon and other elements and they are not come in category of elemental carbon.

Therefore,the example of elemental carbon is diamond and it is pure form of carbon. Thus, option A is correct.

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Mutations are considered important in evolution because they are the ultimate source of genetic diversity.

Answer:

Mutations are one of the fundamental forces of evolution because they fuel the variability in populations and thus enable evolutionary change.

INTERESTING FACTS:

01)Bacteria (singular: bacterium) hails from the kingdom monera and is the simplest unicellular organism.

02)Only with powerful microscopes are the bacteria visible to the human eyes as they are the smallest among cells.

03)Bacteria are known as the most abundant forms of life.

04)Bacteria live everywhere: on land, in water, in the air, and inside the bodies of other living organisms.

Answer:

A definitely..........

Answer: Elctromagnetic radiation

Explanation:

The book has a potential energy of 3.09 Joules due to its position above the floor

It has no kinetic energy. But because it is above the ground, it has potential energy. The following formula determines an object's potential energy (PE) as a result of its location in relation to a reference point:

PE = mgh

Where

In this instance, the book weighs 0.21 kg, is 1.5 m above the ground, and has a g of 9.81 m/s2. When these values are added to the formula, we obtain:

PE = (0.21 kg) x (9.81 m/s^2) x (1.5 m) = 3.09 J

Therefore, the book has a potential energy of 3.09 Joules due to its position above the floor.

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Answer:

5' ATTGCAGGTCCGTTT 3'

Explanation:

Complimentary strands of DNA run anti-parallel to each other, the ends facing in opposite directions.

The complimentary base pairs for DNA are:

A=T and C=G and when finding the complimentary strand these pairs are only paired with each other.

The term Sociable and Outgoing is option C: Synonyms

People with sociable features have traits that support healthy interpersonal interactions. Many people naturally exhibit sociable qualities like an upbeat and cheerful attitude, self-control, adaptability, integrity, and teamwork.

A few typical definitions of social include amiable, cordial, friendly, and gracious. While all of these phrases refer to anything that is "markedly pleasant and easy in social contact," the adjective "sociable" denotes a sincere desire for other people's company.

Note that a person who actively engages in social interaction and looks for opportunities to mingle is referred to be outgoing. Extroverted is a similar term. Social, sociable, or gregarious are common adjectives used to characterize outgoing people. The two words above are close in meaning.

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In the process of sexual reproduction, mating of male gamete and female gamete is required for the fertilization to take place in humans.

A gamete is an animal or plant reproductive cell. Male gametes in animals are known as sperm, while female gametes are known as ova or egg cells.

Fertilization is the process in which a woman's egg combines with a man's sperm to form an embryo.

Usually, the fallopian tube that connects an ovary to the uterus is where fertilization occurs. An embryo begins to develop if the fertilized egg successfully passes through the fallopian tube and implants in the uterus.

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Answer:

"Structurally, plant and animal cells are very similar because they are both eukaryotic cells. They both contain membrane-bound organelles such as the nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, and peroxisomes. Both also contain similar membranes, cytosol, and cytoskeletal elements."

Answer:

we must look at billions of years

When considering the entire period of time during which life on Earth has been evolving, we must look at: D. billions of years.

Evolution can be defined as a process of gradual change in the characteristics of various species of living organism over several generations.

Basically, these characteristics refer to gene expressions that are typically transferred from parent organisms to their offspring or successive generations.

The earliest life forms known to humans existed about 3.7 billion years ago and they are microscopic organisms (microbes) whose fossils were found on rocks.

In conclusion, when you are considering the entire period of time during which life on Earth has been evolving, you must look at billions of years.

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Arthropods have appendages with joints. Arthropods do have legs in general.

A group of invertebrate animals known as arthropods has segmented bodies, jointed legs, and an exoskeleton. It is the invertebrate species' largest phylum. Their body is made up of segments and has two appendages. For terrestrial species, internal fertilization as well as external or internal fertilization is used for reproduction (aquatic species). Their circulatory system is open. Their development began during the Cambrian era. They serve as pollinators for crops and a source of food for people. Some species can infect people, animals, and crops with diseases.

All arthropods have joined limbs (arthro means joint, and pod means foot). The exoskeleton is rigid across much of the leg, but it is softer and pliable at the joints, allowing movement much like a suit of armor does.

All arthropods have moving body parts, joint legs, and claws. The bodies of arthropods are segmented. Typically, each body segment contains two appendages. The appendages may be mouthparts, legs, wings, or antennae.

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Answer:

the leech

B

Explanation:

(meow) <3 trust me ;)