PROJECT: ENERGY FLOW IN ECOSYSTEMS Assignment Directions: Part 1: Draw and describe a food chain that shows the flow of energy between IMAGINARY organisms. Be sure to create at least seven make-believe organisms. Part 2: Then, draw an energy pyramid for at least three of the organisms from your food web. Show how energy varies as you move up the pyramid. Part 3: Label the tropic level for each organism (producer, primary consumer, secondary consumer, etc). Assignment Guidelines: Drawing correctly shows connections between organisms and demonstrates an understanding of food webs, trophic levels, and energy pyramids. Drawing is neat and interesting to look at. Drawing has correct spelling and labeling. Submission Requirements: A picture and description of a food chain and an energy pyramid When submitting written assignments, please remember to: Submit the assignment question(s) and your responses. Proofread for spelling, grammar, and punctuation.

Answer:tributary

Explanation:

Answer:

how is this a question

Explanation:

Answer:

D. genetic drift

Explanation:

Answer:

it is d genetic drift

Explanation:

Answer: i think it is a

Explanation:

i took a test and i got 100%

Answer:

The acidity of the rain increases over highly populated, highly industrial regions because of the accumulation of waste products in the air.

Explanation:

Hope This Helps!!!!

Answer:

there are 26 cell of the organism

Nutritionists and doctors recommend not falling below 1,200 calories per day for women and 1,500 calories for men to maintain proper health and metabolism. Athletes may require more, up to 3,000 to 5,000 calories, depending on their level of activity. Balanced diets and avoiding very low-calorie diets are essential for metabolic health.

Nutritionists and doctors typically recommend that energy intake should not fall below certain thresholds to ensure adequate nutrition and maintain metabolic health. For women, the lower limit is often set around 1,200 calories per day, while for men it is typically around 1,500 calories per day. These numbers can vary based on the individual's body size, age, activity level, and other health-related factors.

The quality and quantity of the food consumed markedly affect one's metabolism. Energy-dense foods with poor nutritional quality, such as sugary drinks, can lead to weight gain and associated health issues. Nutritional needs increase with physical activity, and athletes, in particular, may require significantly more calories. For instance, competitive athletes often require between 3,000 to 5,000 calories daily, whereas a sedentary person may need only about 2,000 calories. Energy requirements further vary by gender; men generally have higher caloric needs than women due to greater muscle mass.

Regardless of caloric intake, it's crucial to consume a balanced diet rich in vegetables, fruits, whole grains, and lean proteins. It is also important to avoid extremely low-calorie diets, as they can substantially lower basal metabolic rate (BMR) and potentially harm health. Proper caloric consumption aids in maintaining body composition, supporting bodily functions, and ensuring adequate nutrient intake.

Final answer:

Nutritionists typically recommend that women should not consume fewer than 1200 calories per day and men not fewer than 1500 calories per day to ensure nutritional needs are met without adverse health effects. Quality and quantity of food intake are crucial in managing energy needs, which vary based on lifestyle, gender, and activity level.

Explanation:

Nutritionists and doctors typically advise against severe energy restrictions that fall below certain caloric thresholds. For normal daily activities, an average person requires between 1500 to 2000 calories. However, factors such as gender, age, weight, and physical activity level can influence individual energy needs. For instance, men generally need more calories than women due to higher muscle mass. It's important to maintain a balance and consume a diet that provides the quality and quantity of calories necessary to prevent both over-consumption and under-consumption. Over-consumption can lead to health issues such as cardiovascular disease, cancer, and diabetes, while under-consumption can dramatically reduce one's basal metabolic rate (BMR) and lead to other health problems.

Regarding the minimum calorie intake, health professionals generally do not recommend that women consume less than 1200 calories and men less than 1500 calories per day without medical supervision. This is to ensure that individuals still meet their nutritional needs without risking adverse effects on their metabolism and overall health.

In conclusion, a diet that includes a variety of vegetables, fruits, whole grains, and legumes, while limiting sugary drinks and energy-dense foods, is recommended. Additionally, energy needs are highly individualized and should be tailored to one's lifestyle, with discretionary calories adjusted based on activity level and age.

Answer:

Carbon is least likely to be part of an ionic bond.

Explanation:

Final answer:

Carbon is the element least likely to be part of an ionic bond, as ionic bonds commonly occur between metals and nonmetals, and carbon is a nonmetal.

Explanation:

The element most likely to be least likely to be part of an ionic bond among calcium, carbon, lithium, and bromine is carbon. This is because carbon (group 14) is a nonmetal and does not typically form ionic bonds, which generally occur between a metal and a nonmetal. Calcium (group 2), lithium (group 1), and bromine (group 17) are more likely to form ionic bonds, as calcium and lithium are metals and can readily donate electrons to nonmetals like bromine, which accepts electrons to form negative ions.

Two cells will finally be produced .If the parent cell has 2n chromosomes, each daughter cell will have n chromosomes.

1. How many cells will finally be produced?

Two cells will finally be produced.

2. How many chromosomes will be in each cell?

Each cell will have half the number of chromosomes as the parent cell. So, if the parent cell has 2n chromosomes, each daughter cell will have n chromosomes.

3. Sketch one of the final cells, showing its chromosomes.

Here is a sketch of one of the final cells, showing its chromosomes:

          +---+---+

           |   |   |

           |   |   |

           |   |   |

       +---+---+   +---+---+

       |   |   |   |   |   |

       |   |   |   |   |   |

       |   |   |   |   |   |

       +---+---+   +---+---+

This cell has 2n = 4 chromosomes. The chromosomes are arranged in homologous pairs.

The sister chromatids of each chromosome are attached at the centromere.

Additional information about the image:

The image you provided shows the sequence of events in a cell undergoing normal meiotic cell division.

The four diagrams represent the following stages:

Diagram 1: Prophase I. The homologous chromosomes pair up and form tetrads.

Crossing-over, the exchange of genetic material between homologous chromosomes, can occur during this stage.

Diagram 2: Metaphase I. The tetrads align on the metaphase plate.

Diagram 3: Anaphase I. The homologous chromosomes separate and move to opposite poles of the cell.

Diagram 4: Telophase I and cytokinesis. Two daughter cells are formed, each with a haploid set of chromosomes.

After meiosis I, the two daughter cells enter meiosis II. Meiosis II is similar to mitosis, but the sister chromatids of each chromosome separate.

This results in four haploid daughter cells.

Meiosis is essential for sexual reproduction.

It ensures that the offspring have the correct number of chromosomes and that there is genetic diversity in the population.

Answer:

Wrinkled seeds are a recessive trait

Rasheed crossed plants that were hybrid-have two different alleles for the traits of flower color, seed color, and seed shape as part of an investigation designed to verify the results of Gregor Mendel's experiments. Wrinkled seeds are a recessive trait shows the phenotypes.

Traits are the characteristics of a gene in an organism  are influenced by the environment and expressed by genes, the Physical characteristics of an organism, such as hair color, leaf form, size, behavioral characteristics are traits.

specific traits which  allow an organism to be successful in their ecosystem, some of the physical characteristics include fin length, body shape, color patterns, eyesight, and muscle definition.

Species with variation in traits For example, white-tailed deer in Pennsylvania have seed coat color with limited variation, all the organism have characteristics are genetic traits or behavioral traits.

For more details regarding traits , visit

brainly.com/question/28147238

#SPJ2

Answer:

There are no species of organisms alive today that are directly related to the triceratops. This information indicates that triceratops are extinct, and no organisms alive today evolved from the triceratops.

Explanation:

Answer:

b

Explanation:

triceratops are extinct and no organisms alive today evoled

Answer: the answer to this question is bees and ants hope this helps

Explanation:

Answer:

bees

Explanation:

edge

Answer:

A. Rock pieces

Explanation:

Abrasion is the breaking down and wearing away of rock material by the mechanical action of other rocks. Three agents of physical weathering that can cause abrasion are moving water, wind and gravity. None of those are agents of abrasion. But Rock pieces are a result of abrasion.

Rock pieces act as an agent of abrasion, which is a process of mechanical weathering caused by physical forces such as gravity, water, wind, or ice. Option A is correct.

Among the options given, rock pieces are an agent of abrasion. Abrasion is a type of mechanical weathering where one rock bumps against another, causing the surfaces to wear down over time. This can happen due to gravity, moving water, strong winds, or glacial movements.

When pieces of rock are moved by water or wind and collide with other rocks, they cause the surfaces to erode. For example, the ice in glaciers also cause abrasion when pieces of rock embedded in them scrape against the rock below.

Hence, A. is the correct option.

Answer: Unicellular organisms.

Explanation:

Answer:

Unicellular organisms: Bacteria, protists, and yeast

Explanation:

Unicellular organisms are made up of only one cell. All of the functions needed by the organism are carried out by that one cell. Bacteria, protists, and yeast are some examples of unicellular organisms.

A motor neuron is a neuron that specifically controls the movement and usage of muscles and glands.

A motor neuron carries nerve impulses from the central nervous system to muscles and glands, resulting in their activation. They connect to muscle fibers at neuromuscular junctions and can be precisely controlled based on the motor unit's needs. This nerve impulse transmission results in muscle contraction.

The function of a motor neuron is to carry nerve impulses from the central nervous system to muscles and glands. These neurons change nerve signals into activation of these structures. Motor neurons project to the spinal cord to synapse with more motor neurons in the ventral horn of the spinal cord, which then connect to skeletal muscles and cause contractions.

These neurons connect to the muscles at neuromuscular junctions, where they connect to multiple muscle fibers within a target muscle. The number of fibers that a motor neuron connects to varies based on the required precision of the muscle and the force necessary for that motor unit. For instance, the quadriceps have many fibers controlled by single motor neurons for robust contractions that don't need to be precise, but extraocular muscles are controlled by each motor neuron very precisely since moving the eyes requires less force but needs high precision.

Motor neurons transmit nerve impulses to the muscles causing them to contract. At the neuromuscular junction, the motor neuron axons connect to muscle fibers. Here, the motor neurons secrete a neurotransmitter called acetylcholine that binds to receptors on the muscle fiber, triggering muscle contraction.

https://brainly.com/question/34136052

#SPJ12

Answer:

law

Explanation:

a scientific law is based on observations of similar events that is ALWAYS true while a scientific theory is based on repeated observations and scientific investigations that ia ALMOST ALWAYS true

Answer:

Elevation, or height, is a factor that influences what kinds of plants can live in any certain biome on Earth because elevation determines the temperature of that place.

Explanation:

Answer:

Answer:

Elevation, or height, is a factor that influences what kinds of plants can live in any certain biome on Earth because elevation determines the temperature of that place.

Explanation:

The most important factor that is responsible to make the plants grow in that particular area is the climate, and climate is determined by the height and elevation.

As the elevation increases (i.e. height from sea level) the temperature of that place decreases.

There are other factors like, pollution, humidity level etc. that determines the growth of biome on earth besides height and elevation.

Explanation:

Answer:

genetic testing

Explanation:

Answer: The answer is A

Explanation:

Final answer:

The correct answer is B. Half of the male offspring would be affected since they have a 50% chance of inheriting the hemophilia allele from a heterozygous mother. Daughters would only be carriers, not affected, because they inherit a normal X chromosome from their father.

Explanation:

Hemophilia is an X-linked recessive trait, meaning it is carried on the X chromosome. A mother who is heterozygous for hemophilia (carrying one recessive allele) has a 50% chance of passing this allele to her sons, since they receive their only X chromosome from her. The father, who is unaffected, cannot pass the hemophilia allele to his sons as they receive his Y chromosome.

Therefore, the correct answer is B. Half of the male offspring would be affected. Daughters, however, would not be affected because they receive one normal X chromosome from their father and would need to inherit two defective X chromosomes to express the disease, which is extremely rare. As the mother carries only one recessive allele, she could pass the defective gene to her daughters, but these daughters would be carriers, not affected.

Answer:

The earliest time that life forms first appeared on Earth is at least 3.77 billion years ago, possibly as early as 4.28 billion years, or even 4.5 billion years; not long after the oceans formed 4.41 billion years ago, and after the formation of the Earth 4.54 billion years ago.

Explanation:

Answer:

Reptiles have dry and scaly skin, whereas amphibians feel moist and sometimes rather sticky. They are vertebrates and cold blooded like amphibians. As compared to reptiles, amphibians have smooth skin. The skin of most amphibians is not water-proof unlike reptiles.

Explanation:

Answer:

The area marked Y is the DNA.

Explanation:

As we can see in the diagram, The area labelled Y shows a double-stranded structure which is joined together from the centre. The structure of the DNA comprises of two strands which make up the backbone of the DNA. These strands are made up of sugar-phosphate backbones. The strands are joined together by the hydrogen bonding between the nucleotide bases. Hence, the structure Y is that of a DNA.

Answer:

D

Explanation:

collisions between molecules and atoms push on the container creating pressure

Pressure is caused by collisions of molecules within a gas, as their kinetic activity and interactions with the container walls generate a force exerted over an area.

The cause of pressure, especially when discussing gases, is due to collisions of molecules. When gas molecules move, they bounce off each other and the walls of their container. This action results in a force distributed over the area of the container walls, which is defined as pressure. This concept can be represented mathematically as pressure (P) being proportional to the number of collisions, the mass of the molecules (m), and the square of their velocity (v), simplified as P = Nmv2, where N is the number of molecules.

Moreover, changes in temperature and pressure can affect phase changes, such as melting, freezing, evaporation, and condensation. During such phase changes, energy transfer occurs without a change in the system's temperature, leading to the transition from one phase to another. However, when discussing the direct cause of pressure in a gas, it is the kinetic activity of particles, their collisions, and the resulting force on the area of the walls that is directly responsible.

Answer:

The oil produced in United States is light and low sulfur content and they do not have proper processing facilities, hence purchase it from other countries.

Explanation:

About 9.93 million barrels per day U.S purchase oil from 86 countries. Because the crude oil present is not homogeneous in nature. It is very light in nature with low sulfur content or may be high,this particular factor depends upon the method of the refining. Most of the oil are being exported by the Saudi Arabia and then comes Russia followed  by Iraq. Despite the collapse in price, U.S. dependence on foreign oil should continue to decrease.

Answer: I am able to accept that life is a mix.

Explanation:

not everything in life comes easy and you can learn from your losses to help get more wins.  

Answer:

A

Explanation:

Answer:

Freshwater ecosystems such as lakes and swamps.

If it helps, mark me as brainlest

Kinetic energy is the main cause on which both temperature and thermal energy are dependent.  

Explanation:

Both the temperature and the thermal energy are physical quantities. Both temperature and thermal energy are having thermodynamic state function. Both of them are measurable in nature that is quantitative . Both of them do not have any direction that is they are scalar quantities.

Temperature is not dependent on the quantity of a substance but in case of thermal energy it is dependent on the quantity of a substance. Temperature is based on the average kinetic energy of given particles but in case of thermal energy it is based on the total kinetic energy of given particles.

Answer:

Geographic isolation stops the exchange of genetic material between the two populations. ... Differences in climate and food sources can create selective pressures unique to each population. Eventually, the two populations might become different species, but not always.

Final answer:

Geographic isolation triggers allopatric speciation by physically separating populations, leading to genetic divergence and potentially the evolution of new species. It often results in the emergence of endemic species uniquely adapted to localized environments.

Explanation:

Geographic isolation affects evolution by preventing populations of the same species from interbreeding. This process, known as allopatric speciation, can be initiated by various events, such as the formation of a river or valley, a group of organisms becoming stranded after migrating, or seeds being carried to an island by the wind or ocean currents.

Once populations are isolated, there's no genetic flow between them. Genetic divergence may occur as natural selection acts differently on the populations or as a result of genetic drift. These changes can eventually lead to reproductive incompatibility, meaning that even if the two populations come into contact again, they can no longer interbreed and have thus evolved into separate species.

Endemic species, which are found only in specific geographic locations, are often the result of long periods of geographic isolation that have allowed them to develop unique characteristics catered to their particular environment, isolated from the gene pools of their species located elsewhere.

9:3:3:1 is the ratio.

Option D.

The cross described here is actually similar to Mendel’s Dihybrid Cross where two characters of the organisms are actually taken into account and then the phenotypic ratio of the F2 offsprings are seen.

The genes for the long ears and long fur are both heterozygous in both parents. So both of the parents have a dominant allele and a recessive allele.

Lets suppose the dominant allele for the gene determining ear is E and recessive is e. And the dominant allele for the gene determining fur is F and recessive is f.

So the genotype of both the parents is EeFf.

So the gametes produced by both the parents are EF, Ef, eF and ef respectively.

Thus, if we put these in punnett square and see the offsprings, we will see that phenotypic ratio of Ling eared long furred to long eared short furred to short eared long furred to short eared short furred is 9:3:3:1.

Answer:

9 : 3 : 3 : 1

Explanation: