How to make the Punnett square

Answer:

We, as humans, have the ethical responsibility to treat every creature on the Earth in a respectful manner. The respect shall be maintained whether is be wild- life organisms such as wolves or other humans.

We shall not destroy the wildlife populations just for fun or for meeting our food resources. A wild number of wolves are hunted each day just for fun. This is unethical and should not be done. Whales are also hunted to an endangered level for meeting he needs of the humans. This action is also unethical according to me and should be stopped.

We should be ethically obligated to leave a peaceful and respectful environment for our future generations.

Answer:

The Earth looks like an oblong non-uniform object after its collision with Theia (the collision that formed the Moon)

Explanation:

Following the collision with Theia, Earth was left in a molten state, with debris from the impact forming the Moon. Earth's surface has been reshaped by plate tectonics and erosion, hiding evidence of such ancient impacts.

The Earth after its collision with Theia, a Mars-sized body, was a dramatically altered planet. The Giant Impact Hypothesis suggests that this collision occurred around 4.5 billion years ago and was powerful enough to send debris into orbit around Earth, which eventually coalesced to form the Moon. The impact would have left Earth extremely hot, with a surface covered by a magma ocean. Craters like those on the Moon are less visible on Earth due to processes like plate tectonics and erosion, which have continually reshaped Earth's surface, erasing such ancient impact scars.

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Answer:

absorb ground water.

Explanation:

Role of Plants in Water Cycle

They absorb groundwater, that is, water collected below ground level due to percolation of rain water, through their root system. ... Vegetation plays an important role in the water cycle by preventing soil erosion and increasing groundwater levels.

Plants play a crucial role in the water transport from the ground to the atmosphere - a process known as transpiration. This not only helps in the redistribution of water but also in temperature regulation. During periods of drought, plants can conserve water by closing their stomata.

Plants play an integral part in the water, or hydrologic, cycle. They absorb water from the soil through their roots due to the properties of water molecules. This process is known as transpiration. The water is then transported from the roots, up through the stem, and to the leaves. Once in the leaves, the water evaporates into the atmosphere, contributing to the formation of clouds and precipitation.

The process by which plants pull water from the ground and release it as water vapor is crucial to the environment. Not only does it help in the redistribution of water, but it also aids in temperature regulation, as the evaporation process has a cooling effect.

However, plants also have an important role in the conservation of water, especially during periods of drought. Certain mechanisms within the plant can cause the stomata to close, reducing water loss and helping the plant conserve water.

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PTC (Phenylthiocarbamide) does not have a detectable scent. It is used to demonstrate genetic differences in taste perception, where the ability to taste it is determined by specific gene variants.

Phenylthiocarbamide (PTC), often used in genetic tasting experiments, does not have a scent that can be detected by humans. The chemical substance itself is used primarily in a taste test to demonstrate genetic variance in taste perception. PTC tasting is a classic example of a trait that exhibits Mendelian inheritance patterns, where the ability to taste PTC is a dominant genetic trait. Individuals who can taste PTC describe the compound as having a bitter taste, while those who cannot taste it are referred to as "taste-blind." The presence of specific versions (alleles) of this gene determines an individual's sensitivity to tasting PTC and similar bitter compounds, such as those found in Brussels sprouts and cabbage.

Answer:

mass and distance

The factors determine strength of gravitational force between two objects is mass and distance. Thus, option A is correct.

The declaration that best represents the law of conservation of mass is as follows:

Mass of Reactants = Mass of Products.

The law of conservation of mass states that the overall mass of substances that remarkably take part in a chemical reaction is conserved during the reaction. It is neither created nor destroyed in a chemical reaction.

As a result of this, the mass of substances during a chemical reaction remains the same. This implies that the mass of reactant molecules is definitely equal to that of the mass of the product molecules. The mass of reactants equal to the mass of products is the statement that best represents the law of conservation of mass.

Therefore, The factors determine strength of gravitational force between two objects is mass and distance. Thus, option A is correct.

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Answer:

Hydrosphere and Biosphere

Explanation:

the factory is dumping into the water which is cycled through the hydrosphere, Than the chemicals are killing organisms which are part of the biosphere...

Dumping chemicals into a nearby river by local factory, that resulted in the death of many aquatic dwelling organisms is caused by interaction between - Hydrosphere and bisophere.

In this case their is chemical waste is dumping in the river which is a human activity that caused water pollution in river which inturn causes death of the aquatic organisms.

Hence, there are two intrection human activity to river and polluted river to death of aquatic organisms.

On the basis of the given explanation we can say that there is interaction between hydrosphere and biosphere.

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Answer:

The answers are:

4. The streamlined body shape of a dolphin and a shark. (assume no recent common ancestor with trait).

6. Organisms of different domains

7. Made up of tissues

Explanation:

4.

Analogous Structures:

Analogous structures are organs or structural (morphological or anatomical) features that perform similar functions but do not possess the same evolutionary and ancestral origin.

6.

The three principal domains of life are:

These domains possess fundamental differences in the form of genetic material and cellular characterization (unicellular/multicellular). This is the broadest system of classification. The  others, kingdom, phylum, order, genus, species are further classification of the 3 major domains.

7.

The first and fundamental postulate of the cell theory,  the basic theory of biology is:

All livings things are made up of cells.

Cells further combine to form tissues. Therefore, any organism that is composed of cells and tissues is living.

Answer:

The glaciers are melting and sea levels are rising

Answer:

Importance of keeping the environment clean. Environment is a place where humans as well as plants and animals live. ... It is necessary to keep our environment clean because we get fresh air, reduce pollution etc. An unclean environment leads to a bad condition of a society, arrival of diseases and many more

Explanation:

hope this helps!- Lexi

Explanation:

They contain more mitochondria.

Energy in the form of ATP is required to pump hydrogen ions against the concentration gradient. Active transport is a mediated process that requires the use of specialized membrane proteins these proteins require energy in the form of avenues and triphosphate or ATP in order to facilitate necessary conformational changes to the large protein molecules

In all eukaryotic cells, mitochondria are small cellular organs bound by membranes, making up most of the chemical energy needed to power the cell's biochemical reactions. This chemical energy is stored inside the generated molecule ATP. Respiration in the mitochondria uses oxygen for the production of ATP in the cycle of the Krebs or Citric acid via pyruvate oxidation (through the cytoplasm glycolysis process).

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Answer:

B. To exchange oxygen with carbon dioxide

Explanation:

The function of this structure of alveoli is to exchange oxygen with carbon dioxide, hence option B is correct.

The tiny air sacs in the lungs are called alveoli. Capillaries, which are little blood arteries, round the alveoli. With the help of these capillaries, the alveoli exchange oxygen and carbon dioxide.

The walls of each alveolus are extremely thin and cup-shaped. Capillaries, a type of blood vessel with thin walls, form a network around it. The alveoli and capillaries in your body allow the oxygen you breathe in to diffuse into your blood.

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Answer:

23 chromosomes

Answer:

. In humans, gametes are haploid cells that contain 23 chromosomes, each of which a one of a chromosome pair that exists in diplod cells.

Explanation:

Answer:

Ribosomes are found moving freely in the "cytoplasm and sometimes can be seen attached to the Endoplasmic Reticulam"

Explanation:  

In the cytoplasm the RIbosomes are found moving freely, but sometimes it has been observed that ribosomes are attached with the Endoplasmic Reticulam and forming the rough Endoplasmic Reticulam. When the ribosomes are bound to the particular mRNA strand, the structure formed is known as polysomes. The existence of the ribosomes are not permanent as well. Basically the ribosomes are made up of the nucleolus. Ribosomes helps in the making of the protein.

Answer:

small molecules such as carbon dioxide

Explanation:

Exocytosis is a process used for the release of secretory materials from cells. Vesicles containing secretory materials fuse with the plasma membrane releasing their contents to the outside. The golgi bodies receive certain materials from the endoplasmic reticulum and package them into secretory vesicles.

Answer;

When we will travel south from a taiga into a temperate forest we will observe 1. Increased precipitation as in taiga the prevailing climatic conditions are still harsh with less rain fall where as in temperate forest precipitation ranges from about 70 to 150 cm annually. 2. Increase in temperature as taiga has long, severe winters and short, mild summers whereas the average temperature in temperate forest is around 50 degree Celsius. 3. Change towards hardwood (deciduous) trees as Taiga, forms an almost continuous belt of coniferous trees worldwide whereas Temperate or deciduous forests are dominated by broad-leaved hardwood trees

The three variations are increased precipitation, increase in temperature, and change towards hardwood (deciduous) trees.

A temperate forest is a forest found in the temperate zone between the tropical and boreal regions.

It is the world's second largest biome, accounting for 25% of total forest area, trailing only the boreal forest, which accounts for 33%.

Temperate deciduous forests are most noteworthy since they go through four seasons: Winter, Spring, Summer, as well as Fall.

Leaves change color (or senesce) in autumn, fall off in winter, and regrow in spring, allowing plants to survive cold winters.

As one travel south from a taiga into a temperate forest one would have been able to observe richer top layer of soil, you would start noticing both an increase in temperature and precipitation, and you would notice change towards deciduous trees

Thus, these are the three variation as one travels from south taiga to temperate forest.

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Answer:

B on Edg2021

Explanation:

Took it

The image portrays Charles Darwin's theory of Natural Selection, specifically the principle of competition within a population due to a limit in resources. Characteristics that provide an advantage in this competition are more likely to be passed on to the next generation. The oryx's might be competing for resources like food, water, or mates, leading to an evolution of the population over time through survival of the fittest.

The image of the two male oryx's in your question seems to depict one of Charles Darwin's main points, this being natural selection, which is a key mechanism of evolution. The principle of competition within a population is central to Darwin's theory of natural selection. According to this theory, more offspring are produced than can survive due to limited resources, leading to intra-species competition. Characteristics that provide an advantage in this competition are more likely to be passed on to the next generation. Thus, those who inherit the favorable traits have a higher chance of survival and reproduction.

From the example of the two oryx's, we may guess that they might be competing for resources such as food, water, territory, or mates. This competition could lead to survival of the fittest where the oryx with the best suited traits for survival in its specific environment would have more offspring that will share those traits, leading to an evolution in the population over generations.

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Answer: grasshoppers and caterpillar eat oak leaves

Explanation:

Answer:

The answer is A- grasshoppers and caterpillars eat oak leaves

Explanation: i took the test

Answer:

eggs

Explanation:

D

fossil fuels form when decayed organisms are compressed underground.

Explanation:

Usually, when biotic matter especially algae and plankton die they sink to the bottom of the oceans. They get overlaid by layers of sediments over time. As the layers of sediment increase, the pressure from the overlying weight causes the organic matter (which is largely carbon-based) to be compressed, and high temperatures associated with the high pressure,  causing them to metamorphose into crude oil.

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The statement best describes the fossil fuels are Decayed organisms are compressed underground. option D is correct.

Fossil fuels are formed from the remains of ancient plants and animals that lived millions of years ago. These organisms, such as plants and algae, captured energy from the sun through the process of photosynthesis.

When these organisms died, their remains accumulated in layers on the Earth's surface, such as in swamps, oceans, or lakes. Over time, these layers of organic matter were buried under sediment, such as mud, sand, and rocks.

As more and more sediment piled up, the organic matter was subjected to immense pressure from the weight of the overlying layers. This pressure, combined with heat from the Earth's crust, caused the organic matter to undergo physical and chemical changes.

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Answer:

Some individuals are predisposed to medical conditions such as that were

inherited from their parents due to "genetic predisposition"

Explanation:

A genetic predisposition (occasionally also named genomic vulnerability) is an improved probability of emerging a specific illness created on a being's inherent makeup. A genetic predisposition consequence from precise inherent disparities that are often congenital from a parent. These inherent variations subsidize to the growth of a illness but do not straight cause it. About people with a predisposing inherent disparity will not ever get the sickness though others will, even inside the similar family.

Answer:

Speciation was allopatric or peripatric, but would depend on the number of individuals that dispersed from the original populations.

Explanation:

Answer:

Scientific literacy means that you have a knowledge about the scientific concepts.

Explanation:

Scientific literacy can simply be described as having an understanding of the different concepts of science and having knowledge about the current trends and procedures of the scientific world. Scientific literacy makes it possible for a person to address different societal problems because a scientifically literate person has better understanding about the world. A scientifically literate person will be better able to judge other scientific researches being made and generate a peer- review.

Final answer:

Compression stress causes rocks to squeeze together and form anticlines, and is common at convergent plate boundaries.

Explanation:

The type of stress that can cause an anticline is compression. When compressional stress occurs, rocks are squeezed together and it typically results in the rock layers bending into arch-like shapes known as anticlines. Such stress is most common at convergent plate boundaries, where tectonic plates move towards each other, causing the crust to thicken and buckle.

Answer:

As comic is not available, lets try to understand genetic drift generally.

Explanation:

Genetic drift can be described as the changes in the allele frequency or changes in the genotype variations of a population due to certain reasons such as death etc. In genetic drift, a particular genotype of a species starts to decrease, while the other genotype might start to increase. For example, imagine there are 6 colours of rabbits to be seen in a population. An event such as a diseases takes over which results in death of most of the rabbits. Only a few rabbits are left having brown and grey colour. Hence, the genetic drift changes from 6 to only 2.

Answer:

Based on similar appearance - traditional

Based on evolutionary relationships-  modern

Known as cladistics- modern

Known as Linnaean classification- traditional

Explanation:

Linnaeus was a Swedish Botanist who was the first to classify organisms based on the structural similarities which organisms had. This method of classification came to be known as the Linnaean classification. Organisms which had more closer resemblances in structures and features had more groups or taxa in common.

The modern system of classification depends on the evolutionary history of organisms. It determines which organisms are more closely and have common ancestors in the past.

Answers for the entire assignment for e2020! This will help future people in order to get a excellent grade! :)

Determine whether each statement below describes traditional or modern classification.

(Answers)

Traditional Classification is based on similar appearance

Modern Classification is based on evolutionary relationships

Modern Classification is known as Cladistics

Traditional Classification is known as Linnaean classification

Which piece of information provided the stimulus for the shift from traditional classification to modern classification?

Answer: An understanding that species share a common ancestor

Fill in the blank below with the vocabulary word that best completes the sentence.

Using a ______  clock, scientists are able to estimate the amount of time that two species have been evolving independently.

Answer: molecular

How does the molecular clock work?

Answer: It compares the number of mutations that exist in the DNA of two different species.

Select the correct word from the drop-down menu to complete the sentences.

______ are branching diagrams that depict the evolutionary relationship among species.

Answer: Cladograms

_____ is a point in a cladogram where a single ancestral lineage breaks into two or more descendant lineages.

_____ is a group of organisms that includes an ancestor and all of its descendants.

_____  is any named group of organisms, whether they form a clade or not.

Answer(s):

Node

Clade

Taxa

According to the cladogram, which of the following is the derived characteristic shared by amphibians and reptiles?

Answer: Lungs

After much research and DNA analysis it has been determined that species in the same clade are actually more distantly related than originally thought. What is one way that the cladogram may change because of this information?

Answer: A node would be introduced

According to the cladogram, which species are MOST closely related?

Answer: D and E

Use the cladogram about fish to answer the following questions.

Which of the following best describes the organism located at point B?

Answer: Has jaw, but no bones

The organism at location D is the  ______ to organisms at location A, B, and C.

Answer: Ancestor

According to the cladogram, arthropods are MOST closely related to which group of organisms?

Answer: annelids

You're welcome! :)

Answer:

Snake and worm are not closely related. Snakes are vertebrates (with a backbone) while worms are invertebrates (with no backbone). So, snake and worms have different anatomy. But the apperance of both organisms have similar features: worms has long, thin, and shiny body which looks like a snake but both have no legs. Movement patterns for both are also similar. Similarly, both organisms show a similar type of skin, habitat, and sensory organs.

Final answer:

To determine how closely related snakes and worms are, comparative anatomy, molecular biology, and evolutionary biology techniques are employed to examine the structural, genetic, and evolutionary differences between these organisms.

Explanation:

To determine how closely related snakes and worms are, one approach is to use comparative anatomy, which involves examining the structural similarities and differences between organisms. Despite their similar shape, snakes are vertebrates as they have an internal skeleton, whereas worms encompass various invertebrate groups such as flatworms, roundworms, and segmented worms, each with different anatomical features. For example, roundworms are pseudocoelomates with a complete digestive system, while flatworms lack a respiratory or circulatory system. Snakes, on the other hand, have evolved from a tetrapod ancestor and possess complex organ systems, such as a three-chambered heart and a very flexible jaw.

Molecular biology is another method used to assess relationships, through examining DNA and protein sequences to quantify genetic similarities and differences. Lastly, the field of evolutionary biology which includes phylogenetic analysis helps in constructing evolutionary trees that depict relationship histories based on shared characteristics and genetic data.

Answer:

When two alleles for a trait are equally expressed with neither being recessive or dominant, it creates codominance. Examples of codominance include a person with type AB blood, which means that both the A allele and the B allele are equally expressed.

Explanation:

Answer:

Contact metamorphism occurs when magma intrudes or forces its way into existing rock. The heat of the magma bakes the surrounding rocks causing them to change. This is a local event. The changes due to contact metamorphism are relatively small and are said to be low-grade metamorphism.