The wide variation in skin color in humans is best explained bya. Skin color is a polygenic trait.b. Skin color is influenced by environmental changes like improvements in diet.c. Skin color is influenced by an X-linked gene.d. Skin color is influenced by a Y-linked gene.e. Skin color is influenced by crossing over.

Answer:

I'm gotta take a stab at it:

1. Health = E

2. Weight Management = G

3. Bacteria = F

4. Vaccination = H

5. Dengue = I

6. Allergens = B

7. Body Mass Index = J

8. Down Syndrome = A

9. Proper Sewage Disposal = C

10. Infectious = D

Hope it helps!

The human species is a type of consumer in the food chain.

It is not accurate to consider humans as decomposers. Humans (homo sapiens) are a type of organism known as consumers. They consume organic matter, including plants and other animals, for energy and nutrients. Therefore, the human species is a type of consumer in the food chain.

The term "species" refers to a group of living organisms that share common characteristics and can interbreed to produce fertile offspring. Homo sapiens is the only surviving species of the genus Homo, which includes extinct species such as Homo neanderthalensis and Homo erectus. As a species, Homo sapiens is characterized by its ability to use complex language, develop advanced tools, and engage in social and cultural practices.

Thus the human species is a type of consumer and not decomposer in the food chain.

Learn more about species https://brainly.com/question/25939248

#SPJ11

Answer:

A locus that shows a 100% association with fur color is known as the "Fur color gene." The Fur color gene is the gene responsible for determining the color of an organism's fur, hair, or skin. Mutations in this gene can lead to variations in fur color. For example, in mice, the agouti gene is located on chromosome 2 and is responsible for determining the color of the mouse's fur. The presence of a dominant form of the agouti gene results in a yellow coat color, while the recessive form of the agouti gene produces a black coat color.

Answer: is C

Explanation:

Answer:  The correct answer is A. The environment changes over time.

Explanation:  Adaptations allow species to be able to survive in changing locations, like Darwin observing changes in bird beaks based on their available food sources.

RNA viruses called retroviruses have the reverse transcriptase enzyme inside of them.

RNA can be transformed into DNA by reverse transcriptase, which can then be incorporated into the chromosome of the host cell. An enzyme found in the genetic material of retroviruses called reverse transcriptase, also known as RNA-directed DNA polymerase, is responsible for facilitating the transcription of retrovirus RNA (ribonucleic acid) into DNA (deoxyribonucleic acid). The hybrid's RNA strand is then degraded by reverse transcriptase, also known as RNase H. Then, double-stranded DNA is created using the single-stranded DNA as a template (cDNA). Many different creatures, including viruses, bacteria, mammals, and plants, have been shown to have reverse transcriptases. As a result, complementary DNA is created when an RNA template is used to create DNA through reverse transcription.

To learn more about reverse transcriptase click here https://brainly.com/question/29583400

#SPJ4

The cell membrane is composed of molecules like phospholipids, cholesterol, and proteins. The cell membrane functions are isolation, protection, transport, communication. Through transport, the cell keeps homeostasis.

-------------------------------

MEMBRANE COMPOSITION

The cell membrane is composed of two lipidic bilayers, cholesterol, proteins, and glucans incrusted in between.

⇒ Lipids

⇒ Cholesterol

These molecules are incrusted in the membrane between the hydrophobic tails of lipids.

⇒ Proteins

According to how they are incrusted in the lipidic bilayer, integral proteins might be,

→ Transmembrane proteins ⇒  span the entire membrane                                              

→ Monotypic integral proteins ⇒ attached to only one of the lipidic layers

Integral proteins provide structure to the plasmatic membrane.

MEMBRANE FUNCTION

The cell membrane accomplish many different functions. Among them, we can mention,

                              extracellular space.

                                 external factor that might affect is correct functioning.

                                Substances interchange

   → Passive transport → Simple diffusion  →  through lipids

                                    → Facilitated diffusion → Assited by channel proteins

                                    → Does not need energy

                                    → Depends on the molecule size, concentration at each side of the membrane, and the ions charges.

                                    → Occurs in favor of the electrochemical gradient

    → Active transport  → It does energy to occur

                                    → Mediated by carrier proteins

                                    → Transport big-sized molecules

                                    → Against the electrochemical gradient

     → Endocytosis/Exocytosis →  Active transport mediated by vesicles                        

                                         molecules,  cell can communicate with other cells.  

                                         This process is always mediated by membranes

                                         and their transport  proteins or receptor proteins.

HOMEOSTASIS

Homeostasis refers to stability or equilibrium between intracellular and extracellular space.

Since the extracellular content is in constant change, the cell needs to keep a dynamic equilibrium between the interior and the exterior.

The main way of doing so is by substances transport.

Cells need to equilibrate substances concentrations in both sides of the membrane, so by transport, they take molecules in and out of the cell until they reach equilibrium.

In this way, the cell ensures its correct functioning.

--------------------------------------------------------------------    

Related linK:https://brainly.com/question/24680949?referrer=searchResults                

Answer:

the cell membrane is an extremely pliable structure composed primarily of back -to- back phospholipids (a "bilayer")

Answer:

True

Explanation:

Answer:

True

Explanation:

Translocations and unequal crossing over are the most likely events to cause genes to move from one linkage group to another.

Gene movement from one linkage group to another can occur through different genetic events. Translocations involve the exchange of genetic material between non-homologous chromosomes, leading to the relocation of genes from one linkage group to another. This can result in altered gene order and disrupt the usual patterns of inheritance.

Unequal crossing over, on the other hand, occurs during the recombination process when misalignment between homologous chromosomes leads to an unequal exchange of genetic material. This can cause the insertion or deletion of genes, resulting in the movement of genes between linkage groups. Deletions and inversions, while capable of causing genetic rearrangements, are less likely to result in the movement of genes between linkage groups compared to translocations and unequal crossing over.

To learn more about translocation follow:

https://brainly.com/question/16018107

#SPJ11

Answer:

c

Explanation:

negative effect- pollution

Answer:

Explanation:

not sure on the first one but number two is the sun (im pretty sure) and number three is all water is locked into an indefinate cycle that cannot be breached

Answer:

He would feel sad

Explanation:

This is because Joe couldn't dip his nuts in the cheese

The process is called Allopatric Speciation.

What is speciation?

speciation is the process of evolution in which new, different species are formed. A single evolutionary lineage is divided into two or more genetically distinct lineages during speciation. When a group within a species separates from other members of its species and develops its own distinct features, speciation has taken place.

Based on how far apart the populations that are speciating one another are from one another, there are four geographic modalities of speciation in nature: sympatric, parapatric, peripatric, and allopatric.

A period of geographic separation causes groups from an ancestral population to diverge into distinct species in allopatric speciation. Without any geographical separation, groups from the same ancestral population diverge into distinct species in a process known as sympatric speciation.

To know more about speciation, check out:

https://brainly.com/question/3455977

#SPJ4

Answer:

The camel (Camelus spp) has 74 chromosomes in total, or 37 pairs of chromosomes.

The number of chromosomes in the cell of a camel after mitosis is 70.

After mitosis, the cell of a camel will have the same number of chromosomes as it had before mitosis. This is because mitosis is the process of cell division that produces two daughter cells that are genetically identical to the parent cell.

In the case of a camel, the number of chromosomes in each cell is 70. Therefore, after mitosis, each daughter cell will also have 70 chromosomes.

Here is a step-by-step explanation of what happens during mitosis:
1. The chromosomes in the parent cell duplicate, resulting in two copies of each chromosome.
2. The duplicated chromosomes line up at the equator of the cell.
3. The sister chromatids (the two copies of each chromosome) are pulled apart by spindle fibers and move to opposite ends of the cell.
4. The cell divides, forming two daughter cells, each with a complete set of 70 chromosomes.

So, to answer the question, the number of chromosomes in the cell of a camel after mitosis is 70.

Know more about mitosis here:

https://brainly.com/question/29768164

#SPJ11

Answer:

B.) II only

Explanation:

More land is needed for plants than combined beef to produce 100 grams of protein because plants produces very low amount of protein as compared to beef that produces large amount of protein. Beef is made up of protein so when we eat it, it provides large amount of protein while on the other hand, plant body is made up of other molecules and very little amount of proteins.

Answer:

population

Explanation:

Hope this helps!

Navado del ruiz is in Andes mountain range, and stratovolcano lava is named for that mountain range.

Where is Nevado del Ruiz volcano located?

Learn more about the Nevado del Ruiz with the help of the given link:

https://brainly.com/question/11240209?referrer=searchResults

#SPJ4

Answer:

Photosynthesis, chemosynthesis and ATP synthesis.

Explanation:

Photosynthesis, chemosynthesis and ATP synthesis are the three biological processes that involves biosynthesis break down. Beef burger having bread, meat and cheese which provides carbohydrates, proteins and fats to the body respectively. Carbohydrates are converted into glucose, proteins are converted into amino acids and fats are converted to fatty acids in order to absorb by the cells of the body.

The similarities between the forelimbs of humans, dogs, and bats point to a possible common evolutionary ancestor for these species.

For example, the presence of a humerus, radius, and ulna, as well as wrist and finger bones, suggests that these organisms may have evolved from a common ancestor with these components in their forelimb anatomy and function.

learn more about evolutionary ancestor here

https://brainly.com/question/26125007

#SPJ4

The phenotypic ratio is 1:2:1 → red: pink: white

This pattern of inheritance is called incomplete dominance, meaning that neither allele completely dominates the other: both alleles can be seen simultaneously. The red flower allele is not completely dominant over the white flower allele. Red + White = Pink.

The results of crosses with incomplete dominant alleles can still be predicted, as well as crosses with fully dominant alleles and fully recessive alleles. Results of crossing two heterozygous individuals:

rr' >< rr'

Learn more about incomplete dominance at https://brainly.com/question/2881137

#SPJ4

As the layers of sediment are covered by more layers, the pressure on them increases. The pressure squeezes liquids out, pushing the particles closer together and causing the sediment to compact.

Sedimentary rocks are formed from layers of sediment that have been compacted and cemented together over time. As new layers of sediment accumulate on top of older layers, the weight of the overlying sediment increases.

This weight causes the sediment at the bottom to become more tightly packed, reducing the amount of empty space between the particles. As the sediment becomes more compacted, the water and other liquids that were trapped between the particles are squeezed out. This process is called dewatering, and it causes the sediment to become more dense.

To learn more about sediment follow the link:

brainly.com/question/31539857

#SPJ4

The complete question is:

Fill in the blanks:

As the layers of sediment are covered by more layers, the pressure on them increases. The pressure squeezes liquids out, pushing the particles closer together and causing the sediment to _______________

Answer:

Physical!

Explanation:

Theres your answer, Physical

Answer:

I believe these are the physical properties of water

Explanation:

Answer:

A) electricity

Explanation:

Matter is something that occupies space and has mass

Answer:

harvesting of light energy and its transfer to the core

Explanation:

basically, the antennas are ablet o pick up light which is then transferred as energy.

Gram Staining: Gram staining is a laboratory procedure used to identify big bacterial groupings using staining techniques. To identify between gram-positive and gram-negative bacteria, peptidoglycan is stained. The gram staining procedures involve the use of a counterstain, iodine decolorizer, and crystal violet dye.

Because they have a thick peptidoglycan coating, gram-positive bacteria show up violet during the gram staining procedure. A crystal violet stain is still present in the thick layer. The gram-negative bacteria are covered in a thin layer of peptidoglycan and lose their violet color throughout the decolorization process. Iodine serves as a mordant rather than a stain. The peptidoglycan layer aids in holding the crystal violet in place. In the absence of iodine, it would look purple rather than pink. The gram-positive bacteria's cell wall holds onto the violet hue and prevents it from leaking out during decolorization.

To know more about gram staining, visit-https://brainly.com/question/15011186

#SPJ4

Compared to hepatocytes, macrophages would likely have more actin filaments.

Actin filaments (F-actin) are linear polymers of globular actin (G-actin) subunits that are found in muscle and non-muscle cells as thin filaments that are a component of the contractile apparatus (see contractile bundles).

Actin filaments are particularly prevalent below the plasma membrane, where they organize into a network that supports the cell mechanically, controls the shape of the cell, and permits movement of the cell surface, allowing the cell to migrate, ingest particles, and divide. Similar actin proteins are assembled in a long spiral chain to form actin filaments.

Similar to microtubules, actin filaments have plus and minus ends, with the plus end of a filament exhibiting more ATP-powered growth.

Learn more about actin filaments here:

https://brainly.com/question/13916606

#SPJ4

The Caribou is a large herbivore that is a primary consumer in the tundra biome. Some of the animals present in this ecosystem and classify them according to their position in the trophic hierarchy are:

Primary consumers: Caribou, hares, voles, and lemmings.

Secondary consumers: Wolverines, arctic foxes, snowy owls, lynx.

Tertiary consumers: Golden eagles, wolves, polar bears. The Caribou case study largely takes place in the tundra biome. The wolf, as a predator (and form of predation), is responsible for driving the caribou out of the valleys, away from abundant forage.

Atmospheric changes are causing health problems in both human populations and coral in the Caribbean by affecting ocean circulation and weather patterns, which in turn influence the health of both human and marine populations. Warmer waters caused by rising temperatures have contributed to coral bleaching and disease in the Caribbean.

In terms of ecosystem stability and predator-prey interactions, the concern over declining krill populations is that the decline of the krill population can negatively impact a variety of marine species that rely on krill as their primary food source.

Climate change is causing the decline of the caribou population in three ways as follows: The reduction in sea ice that the caribou require to avoid predators and to travel to different areas to forage;The effect of parasites on their immune systems due to the warmer temperatures; The shift in vegetation patterns due to climate change that reduces their food availability.

Learn more about biome here ;

https://brainly.com/question/30256754

#SPJ11