Which of the followingdoes NOT affect population growth and decline?

a. the immigration of organisms
b. the emigration rate
c. the fraction of males to females
d. the birth rate and death rate

Answers

Answer 1
C. The fraction of males to female

Related Questions

Deserts are found around the globe, generally around a belt of ______degrees north and south latitude where global wind patterns carry down dry air from the upper atmosphere.

Answers

Deserts are found around the globe, generally around a belt of 30 degrees north and south latitude where global wind patterns carry down dry air from the upper atmosphere.

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Why do so some birds addict to smoke?

Answers

Nicotine is absorbed easily through the skin and feathers of birds. The smoke emitted from cigarettes will release nicotine into the air and that nicotine will settle on surfaces. These surfaces include your bird’s cage, bowls, toys and the bird itself. When a bird has nicotine land on their skin from secondhand smoke they will many times pick at their feathers or bite at their feet. Some will bite at themselves to the point that they create open wounds.

Respiratory infections and lung cancers are also a concern for birds kept in an environment where secondhand smoke is prevalent. Pneumonia is a very serious condition in domesticated birds and can lead to death.

hope it helps...!!!

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how is rising sea levels important?

Answers

Answer:

Rising sea levels greatly affect the environment negatively. Flooding or erosion of deltas are all disastrous. It is important to be aware of the effects of rising sea levels to find a way to prevent the continued rise.

Explanation:

in your own words list Kepler's three laws of planetary motion

Answers

Answer:

1) Every planet's orbit is an ellipse with the sun at a focus.

2) A line joining the sun and a planet sweeps out equal areas in equal time(s)

3) The square of a planet's orbital period is proportional to the cube of semi major axis of it's orbit

All cells have _____. (Select all that apply.)

a nucleus
an outer membrane or plasma membrane
large vacuoles
cytoplasm
a cell wall
chloroplasts
protoplasm

Answers

All cells have:

plasma membrane

Hope that helps!

What are ecosystem services? provide two examples and explain how these services benefit people. (site 1)

Answers

Ecosystem services is an expression that makes reference to different uses derived from the natural environment (ecosystems).

What are ecosystem services?

The expression 'Ecosystem services' makes reference to different uses that humans make from the natural environment.

These services include has both social and economic importance for human activities (e.g., tree extraction and deforestation).

Thus, Ecosystem homeostasis is fundamental for the development of a society and it should not be exploited.

To learn more about the ecosystem click here:

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Answer:

Ecosystem Services refer to the benefits that humans receive from the natural environment. They are the various processes and functions that ecosystems provide, such as the purification of air and water, nutrient cycling, and the provision of food, fuel, and fiber. Ecosystem Services are crucial for human survival and well-being, and they are essential for maintaining the balance of the planet's natural systems. One example of an ecosystem service is the pollination of crops by bees and other insects. Pollinators are responsible for fertilizing flowers, which allows plants to produce fruits, vegetables, and seeds. Without pollinators, many crops would not be able to produce a yield, resulting in a significant reduction in food production. Additionally, pollinators are essential for maintaining the diversity of plant species, which is essential for the health of ecosystems. The economic value of pollination services has been estimated to be worth billions of dollars annually. Another example of an ecosystem service is the role of wetlands in mitigating flooding and reducing erosion. Wetlands act as natural sponges, absorbing and storing water during heavy rainfall and releasing it slowly over time. This helps to reduce the risk of flooding downstream and prevents soil erosion. Wetlands also provide important habitats for a diverse range of plant and animal species, which supports the overall health and resilience of ecosystems. The economic value of wetlands in terms of flood control and erosion prevention has been estimated to be worth billions of dollars. In conclusion, ecosystem services are essential for human well-being and the health of the planet's natural systems. They provide a wide range of benefits, including food production, water purification, flood control, and erosion prevention. The examples of pollination and wetlands demonstrate how ecosystem services benefit people by supporting food production and reducing the risk of natural disasters. It is important to recognize the value of ecosystem services and to take steps to protect and conserve them for future generations. 

Explanation: 100% on edge!

Which of the following best explains why few impact craters are found on earth?

A. Impacts on earth do not form craters.

B. Erosion has erased most of the impact craters on earth.

C. Most impacts occurred before earth was formed.

D. Few impacts have occurred on earth.

Answers

Answer:

i think it would be C

hope that helps if not i can change it

Explanation:

Explain the places occupied by grass, a rabbit, and a wolf in an energy pyramid.

Answers

Answer:

Grass is on the bottom of the energy pyramid because it needs the least amount of energy. A rabbit is in the primary consumers level, and a wolf is a secondary level consumer.

Explanation:

A student studies an inheritance shown in the pedigree. The shaded figures represent organisms that display the inherited traits. If the inherited trait is autosomal dominant represented by ‘A’, what is the genotype of the male parent?

A) aa
B) Aa
C) The first allele is A, but we don’t know what the second allele is.
D) AA

Answers

Answer:

its option A

Explanation:

Which statement best describes how bacteria recycle matter in an ecosystem?.

Answers

What describe how bacteria recycle matter in an ecosystem is that Bacteria break down organic debris to recycle nutrients in the ecosystem.

What is Recycling?

Recycling is the process where wastes are collected and are break down into smaller and new pieces by microorganisms such as bacteria to form new product that are effective,healthy and use ful to the ecosystem.

Therefore, What describe how bacteria recycle matter in an ecosystem is that Bacteria break down organic debris to recycle nutrients in the ecosystem.

Learn more about recycling below.

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differentiate the types of muscle- skeletal, cardiac, smooth

Answers

Answer:

Skeletal muscle moves bones and other structures. Cardiac muscle contracts the heart to pump blood. The smooth muscle tissue that forms organs like the stomach and bladder changes shape to facilitate bodily functions.

Explanation:

Answer:

cardiac muscles perform involuntary muscular movements of the heart, aiding the heart to pump blood throughout the body, while skeletal muscles perform voluntary muscular movements of bones, aiding physical movements of the body such as walking, running, and writing and smooth muscles perform an involuntary muscular movements of internal organs, aiding functions of the body such as digestion, urination, and breathing.    

Algae are small photosynthetic organisms found in aquatic ecosystems. Their cells produce a kind of oil. Scientists learned how to extract the oil to create fuel, which can be used in place of fossil fuels. Scientists think algae can produce 60 times more oil per acre than plants, like corn, that are commonly used to produce biofuel.

To produce algae oil, very large ponds were built for growing algae. However, scientists soon made two discoveries.
As the algae grew, it formed layers at the pond surface. These layers crowded and shaded one another.
Many insects and other consumers frequently entered the ponds.
Based on the two discoveries, what would likely be a problem for algae oil production?
A.
Crowding reduces access to food, so it makes algae less able to take in sugar and produce oil.
B.
Insects feed on algae, so all of the energy stored in algae oil is converted back into light energy.
C.
Consumers feed on algae, so the energy stored in algae oil is permanently lost from the environment.
D.
Shading reduces access to sunlight, so algae produce less sugar and are less able to store energy.

Answers

Answer:

C.

Consumers feed on algae, so the energy stored in algae oil is permanently lost from the environment

Plants release scents that attract pollinating insects to them. These adaptations primarily help the plant to _____.

A
find food


B
find water


C
protect themselves


D
reproduce

Answers

Answer:

I believe D, because pollen is used for reproduction.

Reproduce. This attracts pollinators which helps the plant spread its genes because they can’t walk around and do it themselves :)

(B.4A) The major difference between prokaryotes and eukaryotes is the presence or absence of the following:

cell membrane


membrane-bound organelles


cytoplasm


nucleic acids

Answers

The major difference between prokaryotes and eukaryotes is the presence or absence of membrane-bound organelles.

What are eukaryotic and prokaryotic cells?

Eukaryotic cells are cells that possess a membrane-bound nucleus and organelles while prokaryotic cells do not contain a membrane-bound nucleus or organelles.

Examples of eukaryotic cells are;

Plant cellsAnimal cellsProtist cells

Examples of prokaryotic cells are;

Bacteria cells

The membrane bound organelles that differentiates prokaryotes from eukaryotes are as follows:

ChloroplastMitochondriaEndoplasmic reticulumNucleus

Therefore, the major difference between prokaryotes and eukaryotes is the presence or absence of membrane-bound organelles.

Learn more about eukaryotic and prokaryotic cells at: https://brainly.com/question/4644590

is the following sentence true or false? Changes in chromatin structure and histone DNA binding are associated with changes in gene activity.

Answers

Answer: The correted answer is true

Explanation:

Changes in chromatin structure and histone DNA binding are associated with changes in gene activity. True)

when is glycogen , which is stored in the liver , converted into glucose and released into the blood ?​

Answers

Answer:

This stored form of glucose is made up of many connected glucose molecules and is called glycogen. When the body needs a quick boost of energy or when the body isn't getting glucose from food, glycogen is broken down to release glucose into the bloodstream to be used as fuel for the cells.

list 3 differences between sun leaves and shade leaves

Answers

Answer:

Partial sun is between four and six hours of sun a day. Partial shade is two to four hours of sun per day. Shade, in gardening terms, means less than two hours of sunlight a day. Leaves which grow in the shade ('shade leaves') are generally larger in area but thinner than leaves which grow in full sunlight ('sun leaves'). Sun leaves become thicker than shade leaves because they have a thicker cuticle and longer palisade cells, and sometimes several layers of palisade cells.

Which is not included in the atmospheric conditions?
A. wind
B.Humidity
C. Potential energy
D. Temperature

Answers

Answer:

I believe the answer is C. Potenial energy

Explanation:

Earths magnetosphere is not part of it and that potential energy.

When homologous chromosomes fail to separate during meiosis, this is termed:.

Answers

Answer:

Nondisjunction

Explanation:

Nondisjunction is the failure of homologous chromosomes (chromatids) to separate properly during meiotic cell division.

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In vertebrates, which structure frequently serves as the first intermediary between the areas of the brain that perceive sensory stimuli and the rest of the endocrine system?.

Answers

Explanation:

sorry, I may use old terms; I believe it is at the hypothalamus, for endocrine system...

What is the first part of an experiment and
becomes the basis of what you are testing?
A. the results of the experiment
B. the dependent variable
C. a hypothesis
D. the control group

Answers

The answer is c the hypothesis

The diagram represents the development of an embryo.

Which choice is true about the resulting embryo?

It is genetically different from its parents.
It is genetically identical to its parents.
It contains a different number of chromosomes from its parents.
It contains twice the genetic information of its parents.

Answers

Answer:

it contains twice the genetic information of its parents

Explanation:

each parent gametes that will be responsible for fertilisation have a half number of chromosomes

____________ livestock are produced with extra copies of growth hormone genes to allow them to grow faster and produce meat that is low in fat.

Answers

Answer:

Transgenic

Explanation:

I did the the usa test prep

compare and contrast the five types of evidence that support the theory of evolution

Answers

There are five lines of evidence that support evolution: the fossil record, biogeography, comparative anatomy, comparative embryology, and molecular biology. The basic idea of natural selection is that a population of organisms can change over the generations if individual having certain heritable traits leave more offspring than other individuals. The result of natural selection is evolutionary adaptation, a population’s increase in the frequency of traits that are suited to the environment. In modern terms, we would say that the genetic makeup of the population has changed over time, and that is one way to define evolution. Evolution leaves observable signs. There are five lines of evidence that support evolution: the fossil record, biogeography, comparative anatomy, comparative embryology, and molecular biology.

removal of heavy metals from the soil can be done by trees . justify

Answers

This is true because when the tree is taking nutrients that it needs to survive from the soil it takes the heavy metals with it. Hope this helped :)

why do we need water and food

Answers

Answer:

To help regulate temperature and maintain other bodily functions

Explanation:

does that help

what order do they go in

Answers

Answer:

saying that the top box is number one, the order is 5, 2, 4, 3, 1

hope that helps xoxo<3

Which is NOT an example of a transfer payment?
A. welfare
B. salaries
C. Medicare
D. Social Security

Answers

Answer:

B. Salaries

Explanation:

Answer:

b

Explanation:

Sugar is a type of carbohydrate.
(i) Eating too much sugar can make a person overweight.
Suggest why.

Answers

Answer:

Explanation:

--> Excess sugar may cause you to pack on weight because it's high in calories while offering few other nutrients.

: )

In a variety of ways, a high-sugar diet can cause weight gain. It's high in empty calories that have no nutritional value, causing your body to store fat and tricking your brain into wanting more.

In which situation has the precautionary principle been least strictly applied?

A chain of health stores is allowed to sell over-the-counter nutritional supplements that

have not been tested by the Food and Drug Administration for adverse effects.

A foreign marketplace relaxes certain restrictions on genetically modified produce after

testing demonstrates that the produce poses no health risks to consumers.

A toy company recalls a particular brand of action figure after several young children nearly

die from choking on loose pieces of plastic.

The U. S. Government requires that cigarette manufacturers include on cigarette packages a

warning from the surgeon general that smoking causes diseases such as lung cancer

Answers

The precautionary principle is  invoked after there has been established that there is risk in the use of a product.

What is the precautionary principle ?

The precautionary principle  is invoked when it is supposed that a particular product or a drug could put the lives of people at risk. This has been invoked many times in the health sector.

The situation in which the precautionary principle  is least strictly applied is when a chain of health stores is allowed to sell over-the-counter nutritional supplements that have not been tested by the Food and Drug Administration for adverse effects.

Learn more about  precautionary principle: https://brainly.com/question/9528494

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