At rest, the greatest proportion of blood volume is present within the ________.a. systemic veinsb. systemic capillariesc. systemic arteriesd. hearte. pulmonary veins

Answer:

Traits acquired during an organism's lifetime cannot be passed

Explanation:

The law of use and disuse of organs as postulated by Jean Lamarck was wrong due to the fact that environmentally acquired characters cannot be passed to offspring.

Changes to organisms that are not the level of the gene cannot be passed to the offspring. For example, a wrestler that got big muscles due to constant work out cannot pass big muscles to his offspring. The offspring will need to work out in order to have big muscles. This is because big muscles in the wrestler is environmentally acquired.

Only changes that happen to the genome of an organism (mutation) can be passed to offspring.

The term describes the mode of asexual reproduction in which offspring develop from unfertilized eggs D. parthenogenesis.

In this mode of reproduction, females produce eggs that are capable of developing into embryos without fertilization by a male gamete. This type of reproduction is common in insects, reptiles, and some fish species, where the females can produce offspring without mating with a male. Parthenogenesis is an important phenomenon in evolutionary biology as it allows populations to persist even when no males are present. In some cases, parthenogenesis can also lead to genetic diversity through mechanisms such as mutation and gene recombination.

The process of parthenogenesis can occur naturally or can be induced artificially through various techniques such as embryo splitting, oocyte activation, and somatic cell nuclear transfer. Overall, parthenogenesis plays an essential role in the survival and evolution of many species. So therefore the correct answer is D. Parthenogenesis describes the mode of asexual reproduction in which offspring develop from unfertilized eggs

Learn more about parthenogenesis at:

https://brainly.com/question/30656983

#SPJ11

Explanation:

if the concentration of CO2 or O2 in the air surrounding a plant is significantly altered from normal atmospheric levels, it can have negative effects on the plant's growth and health.

If the concentration of CO2 is too high, it can cause a reduction in the stomatal conductance of plants, leading to a decrease in transpiration rates and water uptake, as well as changes in plant morphology and physiology. This can ultimately result in reduced growth and yield in some plant species.

On the other hand, if the concentration of O2 is too low, it can lead to reduced respiration rates and oxidative damage in plants, which can negatively impact plant growth and development.

Therefore, in terms of toxicity, it is not a matter of which gas is less toxic, but rather what the appropriate concentrations of these gases are for optimal plant growth and health. Generally, plants require a balanced concentration of CO2 and O2 in the air surrounding them for optimal growth and survival.

leave a comment, thanks

Answer:

b

Explanation:

Adaptive radiation occurred on these islands in finch populations, meaning that the finch species that live there have become more like each other in response to their habitats, hence option B is correct.

A rapid growth in the number of species sharing a common ancestor that is characterized by high ecological and morphological variety is known as adaptive radiation. It is driven by organisms' ability to adapt to novel ecological situations.

The Galapagos Islands offered numerous open niches to the ancestors of finches without any competing species, which helped to facilitate their adaptive radiation.

These finches have evolved to fill a variety of unfilled niches with various conditions. New species were created as a result of this process.

Therefore, option B is correct.

Learn more about adaptive radiation, here:

https://brainly.com/question/14598336

#SPJ2

Answer:

Lungs

Explanation:

Due to coal debris this may effect your respritory system causing someone to develop COPD or lung cancer.

A substance's LD50 (median lethal dose) is the amount necessary to kill 50% of an animal population. To determine the LD50 of diclofenac in rabbits, an experiment.

with a group of rabbits receiving varying dosages of the chemical and recording the number of fatalities would be required. The information gathered would then be used to calculate the dose at which half of the rabbits died. It is crucial to remember that using animals in trials to determine LD50 is considered unethical by many organizations and is typically discouraged. Furthermore, LD50 estimates can vary widely between species and may not correctly reflect a substance's toxicity in humans. In vitro toxicity testing is an alternative way.

learn more about LD50  here:

https://brainly.com/question/30272466

#SPJ4

Answer:

A.) Gamma Rays

Explanation:

they are generated by nuclear fusion reactions on the sun or radioactive decay of uranium in the Earth's crust.

In the simulated ecosystem, soil bacteria can add nutrients such as carbon and nitrogen to the soil.

The rainforests ecosystem provide humans with water, food and medicines.

Ecosystem services refers to the many benefits derived by humans from a functioning and healthy ecosystem.

Ecosystem services include:

Provisioning services provide food, water and nutrients to humans.

In the simulated ecosystem, soil bacteria can add nutrients such as carbon and nitrogen to the soil.

The ecosystem of rainforests provide humans with water, food and medicines.

Learn more about ecosystem services at: https://brainly.com/question/2189549

The correct function of genes is it creates chromosomes. Chromosomes are structures within cells that contains hundreds to thousands of genes.

What is a gene? What are the function of genes?

A gene is the basic physical and fundamental unit of heredity which contains instructions to produce molecules called proteins.

Functions of genes:

Let us discuss the other options:

Hence Genes are the structures that are present within the chromosomes which contain proteins that help DNA exist in the proper form. Genes are the bulding blocks of life and contain information for making specific molecules and proteins.

Learn more about function of genes from the link given below:

https://brainly.com/question/1480756?utm_source=android&utm_medium=share&utm_campaign=question

#SPJ13

If one strand of DNA is CGGTAC, the corresponding strand would be GCCATG.

This is because complementary base pairing happens in DNA: C base pairs with G and A base pairs with T. Thus, when one strand contains a C, the other has a G, and when one strand contains an A, the other contains a T.

Deoxyribonucleic acid, or DNA, is a nucleic acid polymer made up of nucleotides. Each nucleotide in nucleic acids is made up of a five-carbon sugar, a nitrogen-containing base, and a phosphate group. Deoxyribose is the five-carbon sugar in DNA, and the nitrogen-containing bases are adenine (A), guanine (G), cytosine (C), and thymine (T). DNA is normally double-stranded, and the strands are antiparallel, which means they run in opposing directions. While phosphodiester bonds connect the nucleotides inside a DNA strand, hydrogen bonds among complementary base pairs hold two strands of DNA together.

For more information on DNA , visit :

https://brainly.com/question/23575193

#SPJ4

Answer:

The “normal” or healthy level of testosterone in the bloodstream varies widely, depending on thyroid function, protein status, and other factors.

Nitrogen is present in all of the options listed except for monosaccharides. Thus, correct option is (E).

A crucial component of biological compounds is nitrogen. Nitrogen is a component of proteins, nucleic acids (DNA and RNA), amino acids (which serve as the building blocks for proteins), and DNA. Amino acids, which make up proteins, contain nitrogen as a necessary part of their structure.

Adenine, cytosine, guanine, and thymine/uracil are nitrogenous bases that are essential for the operation of nucleic acids, including DNA. Monosaccharides, simple sugars and the fundamental unit of carbohydrates, do not, however, include nitrogen. Instead, the majority of their atoms are made up of carbon, hydrogen, and oxygen.

To know more about Nitrogen here https://brainly.com/question/11483365

#SPJ4

Answer:

Explanation:

Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water. These negative impacts can affect human behavior and can prompt mass migrations or battles over clean water.

Answer:

true

Explanation:

sbdhsusbedbsssarv

Answer:

Veins carry blood from the capillaries to the heart

Explanation:

Answer:

Individual #1 would be ff >>>>>> Individual 14 would also be ff

Explanation:

Since ff is the recessive trait, and the recessive trait is being represented on this pedigree, it has to be ff. In addition, the offspring are recessive and normal. This means that 2 would be Ff. > Because the small f from 2 and the small f from 1 combined to make ff for the 4 individual. 3 induvial is just Ff.

Hope this helps!

Answer:

The sensory neuron receive the stimulus by tapping at the knee cap and its going to send the message all the way to the spinal cord. And then it will make a U-turn and they will send the message back to motor neurons and then back to the knee cap so that the muscle will contract and your knee will just kick up.

Explanation:

Radiocarbon (C14) dating of organic samples is an absolute dating method used on samples up to about 2.5 million years old.

Radiocarbon dating is a technique used to determine the age of organic materials based on the decay of the radioactive isotope carbon-14 (C14). This method is considered an absolute dating technique because it provides a numerical age estimate for the sample being analyzed.

Organic materials, such as bone, wood, and charcoal, contain carbon, including a small fraction of radioactive carbon-14. When living organisms are alive, they take in carbon-14 from the environment through processes like photosynthesis or consumption of other organisms. After death, the amount of carbon-14 in the organism gradually decreases over time as it undergoes radioactive decay.

By measuring the remaining amount of carbon-14 in a sample and comparing it to the known decay rate, scientists can calculate the age of the sample.

Learn more about absolute dating here:

https://brainly.com/question/26296076

#SPJ11

Answer:

B is the answer

Explanation:

The correct response regarding the relationship between photosynthesis and cellular respiration is The reactants of photosynthesis are the reactants of cellular respiration. The correct option is B.

Photosynthesis is a process of transforming solar energy into chemical energy, which is then stored for later use. The majority of the time, this mechanism powers the planet's life systems.

The process by which sugar is broken down in the presence of oxygen in the cell to release energy in the form of ATP is known as cellular respiration. Water and carbon dioxide are waste products of this process.

So, photosynthesis is a process of anabolism process of food which produces energy, and for cellular respiration, glucose is combined with oxygen to form energy.

Thus, the correct option is B.

To learn more about photosynthesis, refer to the below link:

https://brainly.com/question/12671790

#SPJ5

We know that complete inheritance refers to a pattern of inheritance in which the exchanging traits individuals are indistinguishable, and the traits are completely masked, whereas Mendelian inheritance is the transfer of certain patterns from parents to offspring.

As a result, we will attempt to state which inheritance examples belong to which inheritance.

1)Mendelian Inheritance in Goldfish ( Here, the observable traits are being inherited, Mendelian Inheritance deals with Autosomal dominance here with the M gene that is resposnsible for dark coloration)

2) Mendelian Inheritance in Damselfish (As the dominant homozygous genotype has a barred colour pattern, the recessive homozygous genotype lacks bars, and the heterozygous genotype has incomplete bars, all of which point to Mendelian Inheritance.)

3)Mendelian Inheritance in Chanel Catfish ( As recessive homozygous gene is responsible for white coloration)

4)Molly fish- Complete ancestry ( Several genes are responsible for the body colour of Molly fish which is single observable trait)

5)Stickleback- Complete Inheritance (The gene is solely responsible for the development of skeletal plats).

Learn more about Mendelian Inheritance here:

https://brainly.com/question/29679846

#SPJ4

Explanation:

a plant body that is not differentiated into stem and leaves and lacks true roots and a vascular system. hence spirogyra called a thallus.

Spirogyra is an example of Green algae , thus it prepare its own food by process of photosynthesis in presence of sunlight and chlorophyll.So, its nutrition type is Autorophic.

By touch sensation we identify the leaf with closed eyes.

When we touch an object we are able to identify the object because of the memory retained in our brain from previous touch.

The nervous tissue responds to the touch stimuli.

Astereognosis is the inability to identify an object by active touch of the hands without  visual or sensory information. An individual with astereognosis is unable to identify objects by handling them, despite intact elementary tactile, proprioceptive, and thermal sensation.

Learn more about Astereognosis here-

https://brainly.com/question/8226047

#SPJ1

Answer:

Because it is made up of organs that act as a system

Explanation:

The integumentary system, skin, has been referred to as a membrane and an organ, but it is more commonly referred to as a system since it contains organs that operate together. Because it surrounds the body and comprises multiple types of tissues and a membrane, it is sometimes considered an organ.

Answer:

A. Out of the cell. They want to move from high to low concentration (DOWN the concentration gradient)

Explanation:

Although the cuticle provides important protection from excessive water loss, leaves cannot be impervious because they must also allow carbon dioxide in (to be used in photosynthesis), and oxygen out. These gases move into and out of the leaf through openings on the underside called stomata (Figure 3b).

Answer:

A. Out of the cell. They want to move from high to low concentration (DOWN the concentration gradient)

Explanation:

The option (A) is the correct answer. This statement is the required answer.

We have to know that the central dogma of the molecular biology is about how the information flows from DNA to proteins. This way we have the following:

We can see here how the 2nd step of the central dogma is the transduction from

Answer:

the American revolution caused bankruptcy in France, and led to the revolt of the third estate

Explanation:

In a summarised format, we can highlight the key points of each question:

Now, we can explain each point:

Learn more about biodiversity loss at:

https://brainly.com/question/13894251

#SPJ11