A population of birds eats nuts and seeds. Some birds have larger beaks, and some have smaller beaks. A pair of birds usually produces four or five offspring each year. After several yeaers of little rain, the seeds became larger and larger. The birds with larger beaks were better at cracking these seeds. After several generations, the average beak size in the population increased. Bird beak size increasing after several generations is: a. decent with modification. b. variation. c. overproduction. d. adaptation

The month that is carrying capacity that is most likely to be limited by water is: c. September.

This is due to the graph's apparent abrupt dip in water level around September, which indicates a decrease in the amount of available water resources.

As a result, the low water supply during this month may limit the carrying capacity, which refers to the maximum number of people that an area can support sustainably.

Therefore the correct option is C.

Learn more about carrying capacity here:https://brainly.com/question/14645317

#SPJ1

Answer:

A

Explanation:

The model predicts that the atmosphere will experience a net increase of approximately 1 PgC/year in the amount of carbon flow.

Given the prevailing situation it is clear that more carbon will enter than leave our atmosphere annually.

This increase in atmospheric carbon could significantly enhance levels of carbon dioxide- a known greenhouse gas responsible for exacerbating climate change. Carbon dioxide functions as a greenhouse gas, exhibiting the capacity to ensnare and retain heat within the Earth's atmosphere.

Learn about carbon here https://brainly.com/question/19083306

#SPJ1

Correct question:

Select terms from the lists to complete the sentence.

The model predicts that the atmosphere will experience a net --- of --- in the amount of carbon flow.

1. increase

2. PgC/year

3. PgC/year

Answer:

A

Explanation:

Protons are positively charged so A is right

We know the rest are wrong because neutrons have no charge and electrons are negatively charged.

Answer:

The answer is A.

Explanation:

Lets look at the charges of each part and see which one lines up.

A) The protons in an atom have a positive charge.

B) The nucleus contains the protons and neutrons. Since the neutrons have no charge and the protons have a positive charge, the overall charge of the nucleus is positive.

C) Electrons have a negative charge.

D) The neutrons have a neutral charge meaning they do not have a positive or negative charge.

The only answer that lines up with the choices is A.

Mass extinction.  This reduces the amount of competition for resources and leaves behind a large number of empty niches, which are then filled by surviving lineages.

Therefore, the extinction of dinosaurs such as T. rex and Brontosaurus about 65 million years ago would be unremarkable without the reality that they ate over half of all plants and animals that were present at that point. were alive at the same time perished in what scientists refer to as a mass extinction. Mass extinctions occur when large numbers of species are removed from their respective ecosystems in a relatively short amount of time.

Learn more about Mass extinction here:

https://brainly.com/question/11872946

#SPJ1

Answer:

The biogeochemical cycle known as the phosphorus cycle describes how phosphorus moves across the Earth's ecosystem. All living things require phosphorus as a necessary nutrient, and it is required for many biological functions including DNA synthesis, energy transmission, and cell division.

Explanation:

The phosphorus cycle has several key steps, including:

Weathering: Phosphorus is present in rocks and minerals, and weathering processes such as erosion and dissolution release it into the soil and water.

Adsorption: Once in the soil, phosphorus can be adsorbed (attached) to clay and organic matter particles, making it less available for plant uptake.

Uptake by plants: Phosphorus is taken up by plants through their roots and used for growth and metabolism.

Animal uptake: Animals consume plants and incorporate the phosphorus into their own bodies for growth and metabolism.

Decomposition: When plants and animals die, their bodies are broken down by decomposers, releasing the phosphorus back into the soil.

Leaching: Some of the phosphorus in the soil can be leached (washed out) into waterways and oceans by rainwater and irrigation.

Deposition: Phosphorus can be deposited into sediments and sedimentary rocks through precipitation of minerals such as apatite.

Human activities: Human activities such as mining, agriculture, and waste disposal can also affect the phosphorus cycle by releasing large amounts of phosphorus into the environment and altering natural processes.

The phosphorus cycle is relatively slow because phosphorus is not readily transformed between different forms and it is mostly stored in rocks and soil, unlike the other elements cycles such as carbon and nitrogen that are more dynamic and have a faster turnover.

Answer:

Green stool often occurs with diarrhea, so drink plenty of fluids and seek immediate medical attention if you or your child becomes dehydrated. So this means that you have diarrhea. Call a doctor, if you have green poop more than a few days.

Explanation: Hope this help and hope you fell better!

Answer:

I think the answer is habitat destruction that decreased beaver population.

Answer:

Quantitative

There are eight elephants over the age of six at the zoo.

It is 72 degrees Fahrenheit outside.

Qualitative

The shirt is soft and red.

The river flows more quickly in the spring than in summer.

Explanation:

If that is wrong change "It is 72 degrees Fahrenheit outside." and put it in "Qualitative"

Answer:

0.023%

Explanation:

The Population growth rate is a change in population with time taken into consideration. It can be expressed with the formula

\(N/t\) where N is the total change in the population size, and t is time.

When immigration and emigration are factored in, we now have the formula;

\((CBR +I) - (CDR + I)/1000\)

\(= (36 + 15) - (20 + 8) = 51 - 28= 23\\\\expressing as a percentage of the population gives us,\\\\23/1000=0.023%\\\\\)

Answer: A diverse population of bacteria that is treated repeatedly with the same antibiotic and not all of them die will eventually lead to the emergence of antibiotic-resistant bacteria that will thrive and become dominant. The population's antibiotic resistance level before being exposed to the antibiotic was low or non-existent. The "good" bacteria will die while the antibiotic-resistant bacteria will survive and reproduce. After antibiotic treatment, the population's antibiotic resistance level will be higher than before.

Explanation:

The particles of the substance initially had high Kinetic Energy.​

Gas particles move quickly in all directions and regularly collide with one another and the container's side. The particles gather kinetic energy and accelerate as the temperature rises. The particles' real average speed is influenced by their mass and temperature.

In liquids, particles are quite close together and move with random motion throughout the container. Due to the closer proximity of the particles, collisions between them happen more frequently than in gases even if particles are moving quickly in all directions.

Learn more about kinetic energy:https://brainly.com/question/26472013

#SPJ1

Thinner membranes allow for a shorter diffusion distance which means a larger gas exchange within a shorter period of time and are overall, more efficient.

Because the respiratory membrane is so thin, the gases are able to easily pass from one structure to another. This process is further aided by the fact that carbon dioxide and oxygen are both lipid-soluble.

At the end of the bronchioles are tiny air sacs called alveoli. The alveoli, which are where the lungs and blood exchange oxygen and carbon dioxide during the breathing in and breathing out process, are both lipid-soluble.

Alveoli are very small organs. They are composed of alveolar tissue, but the alveoli themselves are tiny sacs clustered at the ends of the bronchioles.

Each alveolus is lined by simple squamous epithelium, which is extremely thin in order to allow oxygen diffusion while still forming an epithelial barrier between the outside air and the internal body fluids.

Due to the thinness of the respiratory membrane, gases easily pass from one structure to the next. The fact that both carbon dioxide and oxygen are lipid-soluble helps this process even more.

Thus, the respiratory membrane is made of two thin membranes from the alveolus and capillary walls.

For more details regarding alveolus, visit:

https://brainly.com/question/9898961

#SPJ2

Answer:

The answer is C. Their cells have nuclei.

Answer:

Explanation:

I really wouldn’t know

The correct matching of terms to their corresponding cell structure is:

Column A                           Column B

Cell membrane                      j

Nucleus                                  i

Chromosomes                      d

Cytoplasm                             k

Centrioles                              c

Mitochondria                         a

Ribosome                              n

Lysosomes                            e

Golgi                                      g

Smooth ER                             l

Rough ER                               b

Cytoskeleton                         m

Flagella                                   h

Cilia                                         f

All of the above are the cell organelles present in a cell and explained as follow:

1. Cell membrane:

2. Nucleus:

3. Chromosomes/genes:

4. Cytoplasm:

5. Centrioles:

6. Mitochondria:

7. Ribosomes:

8. Lysosomes:

9.  Golgi apparatus:

10.  smooth endoplasmic reticulum:

11.  rough endoplasmic reticulum:

12.  cytoskeleton:

13. flagella:

14.  cilia:

Learn more about cell organelle:

https://brainly.com/question/2107079

Answer:

yes

Explanation:because there eyes will never fully develop

Answer:

Cork formation is a type of secondary growth that occurs in the stems and roots of woody plants. Gum formation, on the other hand, is a type of defense mechanism that occurs in response to injury or infection.

Explanation:

the topsoil is the most fertile layer of the soil, in this layer there are a great amount of nutrients and microorganisms that allow the adequate growth of plant organisms. This is why the loss of topsoil after deforestation leads to desertification.

Since topsoil is a nutrient-rich soil, it would allow the growth of plant organisms again even though it is an area exposed to mining processes. Therefore, the answer would be the B option.

Answer:the topsoil is the most fertile layer of the soil, in this layer there are a great amount of nutrients and microorganisms that allow the adequate growth of plant organisms. This is why the loss of topsoil after deforestation leads to desertification.Since topsoil is a nutrient-rich soil, it would allow the growth of plant organisms again even though it is an area exposed to mining processes. Therefore, the answer would be the B option.

Explanation:

Answer:

4 of the 8 pups should have white hair.

Explanation:

for a litter of 4 pups there is a 50% chance of white hair vs brown hair.

Answer: 4

Explanation: white hair is recessive

Bb x bb —> Bb:bb = 1:1

Human use of landfills: Landfills can safely handle non-hazardous municipal solid waste, constriction and demolition waste, land clearing debris, some industrial wastes, coal ash, sewage sludge, treated medical wastes, solidified liquid wastes and tenorm (Technologically Enhanced Naturally Occurring Radioactive Material—fracking waste)

The importance of landfill design: Modern landfills are well-engineered and managed facilities for the disposal of solid waste. Landfills are located, designed, operated and monitored to ensure compliance with federal regulations. They are also designed to protect the environment from contaminants, which may be present in the waste stream.