The movement of individuals into an area is called
A. Demography
B. Carrying capacity
C. Immigration
D. Emigration

These two things classify autotrophs.

1. Autorophs create their own food.

2. They do not eat prey, the eat their own food.

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Answer:

14. f. diffusion

15. a. excreting waste

16. b. exocytosis

17. a, endocytosis

Explanation:

14. The movement of molecules from a high concentration to a low concentration is diffusion. Active transport uses energy to move molecules against their concentration gradient (from low to high). Osmosis specifically refers to water molecules. Endocytosis is the movement of molecules inside the cells via the cell membrane engulfing it.

15. The membrane controls the substances that enter and exit the cell, therefore it is involved in excreting waste products from inside the cell.

16/17 Endocytosis is engulfing substances to bring them inside the cell. Exocytosis is the reverse process, where substances exit the cell by fusing with the cell membrane. The movement of molecules from a high concentration to a low concentration is diffusion.  Osmosis specifically refers to water molecules.

Answer: I think it is true! Sorry of it is wrong :)

Answer:

the last option is your answer

Answer:

All Cells are prokaryotic and eukaryotic.

Explanation:

the other 3 are the statements of cell theory

Answer:Biotic factors include animals, plants, fungi, bacteria, and protists. Some examples of abiotic factors are water, soil, air, sunlight, temperature, and minerals.

Explanation:

fires in the ecosystem have only negative impacts.Because the gases released by their fumes have a harmful content.So the reduction, the over-care of people wanted to change everything.

Answer:

of diffusion

Explanation:

Molecules move down a concentration gradient without the need to use energy. This means they move from a high concentration to a low concentration. This occurs across a semi-permeable membrane, like the cell membrane, by simple diffusion.

Answer:

(B) two organisms working together

Explanation:

took the test and got it right

Answer: A change in an organism's surroundings that causes the organism to react is called a stimulus (plural stimuli). An organism reacts to a stimulus with a response- an action or change in behavior. Another example is if you are cold, you shiver. The cold is the stimulus while the shivering is the response.

(The plural of stimulus is stimuli. Its verb form is stimulate, which typically means to spur into action or to invigorate.)

Explanation: I hope this helps plz tell me if its wrong so i can fix it :)

Answer:

Explanation:

Answer:While the mechanisms of photosynthesis are complex, the overall reaction occurs as follows: carbon dioxide + sunlight + water ---> glucose (sugar) + molecular oxygen. Photosynthesis takes place through several steps which occur during two stages: the light phase and the dark phase. Stage One: Light Reactions

Explanation:

eh it called google

Answer: light-dependent reactions and the Calvin cycle

Explanation:

(light-independent reactions). Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH.

Answer:

The impact this would have on the biodiversity of the ecosystems within the Great Barrier Reef is that knowing its takes million of years for coral reef to develop it would be devastating as a end result because many organisms and sea lifes rely on the Great Barrier Reef for survival.

Answer:

A food web can be formed by more than one food chain, since the webs includes all possible interactions that can occur between individuals of different trophic levels.

Explanation:

Based on the scheme shown in the image

This food network is made up of three food chains

Food webs often include several food chains, since they are due to the interaction between organisms at different trophic levels, which actually happens within an ecosystem.

In this case, both the insect and the bird are herbivorous organisms, since they feed of the producer, which is the plant.

The only autotrophic organism is the plant, since it is capable of manufacturing its nutrients from sunlight and inorganic matter.

The third order heterotroph is the snake, since it feeds on other animals.  The snake is a carnivore and can be a secondary or more commonly tertiary consumer, so it can be placed in the 3rd or 4th trophic level.

According to the scheme proposed, the bird is omnivorous, since it feeds on both plants and insects.

In this case, the plant, the insect, the bird and the snake are part of more than one food chain.

The bird can be located in both the second and third trophic level, being a primary consumer —when it feeds on plants— or secondary, when it feeds on insects.

Decomposers are generally bacteria and fungi, organisms capable of degrading organic matter, thus enriching the soil. Decomposers can feed on any trophic level.

As the ascent of the pyramid occurs —or at the upper trophic level— the amount of energy available decreases. This is because from one trophic level to another only 10% of the energy can be used. If a plant has 5000 Kcal available, the herbivore that consumes it can only use 500 Kcal.

The main reason for the difference in energy in each trophic level is that energy is lost in each one of them, which the organisms use in their metabolism. A consequence of the metabolism is the loss of energy as heat, which is acquired by the environment.

Answer:

I believe that it is D.

Explanation:

If ice caps are melting, and polar bears use the ice flows to get their food, then the polar bears can't use the ice to get food. so, the polar bears most likely are expanding their diets to adapt to their surroundings. So, polar bears are probably moving off the sea ice and eating other foods.

Some home/business technologies that use spectrometric equipment are ;

The fire alarms and air conditioners found in our homes are triggered when the temperature of the atmosphere changes from been too cold to been too hot or vice versa.

Home technologies that respond to changes in the environment or atmosphere are equipped with some level of communication technology which enables them to respond to changes in the environment via automation. The communication technology found in these home appliances makes use of spectrometric equipment ( measures changes of light wavelength across the electromagnetic spectrum )

Hence we can conclude that Some home/business technologies that use spectrometric equipment are ; Home security systems like fire alarms and Air conditioning system

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The Char gaff rule is all about the number of adenine is equal to the number of thymine and with that the number of cytosine is equal to the number of guanine. The correct answer is option B.

The kind of bonds that are present in these nitrogenous bases are hydrogen bonds. A binds with T with two hydrogen bonds and C binds with G through 3 hydrogen bonds.

It is all about that the number of purines is equal to the number of pyrimidines. The number of adenine molecule are present totally in equivalence to the number of thymine molecules.

The number of guanine molecules are present in the molecule of DNA are totally in numbers to the cytosine. In place of thymine uracil is present which is present in RNA.

Therefore, The Char gaff rule is all about the number of adenine is equal to the number ofThe Char gaff rule is all about the number of adenine is equal to the number of thymine and with that the number of cytosine is equal to the number of guanine. The correct answer is option B.

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Answer:

33% is the actual answer since there is 1,500 volcanoes however only 500 have erupted.

Explanation:

Answer: B hope this helps

Explanation:

Answer:

Because mass is constant, while weight depends on gravity.

Explanation:

For example, your mass on Earth will be the same as your mass on planet Mars. Your weight however, will change depending on the force of gravity exerted on you.

Answer:

40-18 = 22

Explanation:

The mass number is the sum of the neutrons and protons.  You know you have 18 protons and a mass number of 40.

Answer:

I believe they're heterotroph

Explanation:

The case in which osmosis occurs is that when there is a selective permeable membrane is present and it allows only selective substances to pass through the channel.

Osmosis is the process in which molecules of the solvent pass via a semipermeable membrane from a lower concentrations to higher concentration or from less concentrated solution to high concentrated solution. In the process of osmosis movement of water takes place.

There are mainly three types of osmosis and these are hypertonic, hypotonic, and isotonic. The process of osmosis is passive transport as water moves from low solute concentration to high solute concentration.

Osmosis is also known as diffusion of water or solvent via a membrane which allows only selective substance to go across the channel. The process of osmosis does not require ATP because it is a passive process.

Therefore,The case in which osmosis occurs is that when there is a selective permeable membrane is present and it allows only selective substances to pass through the channel.

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Answer:

Independent: the type of humming bird food

Dependent: the amount of humming birds that come to the feeder

Explanation: