Orange roughy fish are a fourth-level consumer. We may see fifth- or sixth-level consumers, but not as many as at lower levels on a trophic pyramid. Why are the upper levels of a tropic pyramid limited?

Answers

Answer 1

Answer: As energy is lost through the energy pyramid, where it is the primary producers at the base, the upper levels of a tropic pyramid are limited as there is less to consume from as you go down the pyramid.

Answer 2

Answer:

An ecological pyramid is a graphical representation of the distribution of the biomass to different organisms in successive trophic levels. The energy is being lost by 10% in every higher trophic level, when one organism is consumed by another organism in a food chain. Therefore, the number of trophic levels in a pyramid will be limited.

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which term refers to a solution with more molecules outside the cell than inside the cell? hypertonic hypotonic equitonic isotonic

Answers

The answer is hypertonic

Answer: hypertonic

Explanation:

Some species of hares are brown most of the year, but change color to white in the winter. This allows them to blend in through the seasons.Where are these organisms adapted to live?

deciduous forests
desert
tropical rain forests
savanna

Answers

Answer:

Deciduous Forests

Explanation:

Answer:

Deciduous Forests

Explanation:

i just know :0

Which statement is true according to the quantum model of the atom?When an electron drops down from a high energy level to a lower one, light energy is emitted.
When an electron jumps up from a low energy level to a higher one, light energy is emitted.
Every orbit around the nucleus of an atom is the same energy level.
After they emit light, electrons are sucked into the nucleus of the atom.

Answers

Answer: Option (a) is the correct answer.

Explanation:

Every orbit has a fixed value of energy which means that energy is quantised. When heat is absorbed by the atom then the electrons go from low energy level to high energy level.

Whereas when heat or energy is released by the atom then electrons move from high energy level to low energy level. As a result, this heat is released in the form of visible light.

Thus, we can conclude that the statement when an electron drops down from a high energy level to a lower one, light energy is emitted, is true according to the quantum model of the atom.

Why does convection occur only in fluids?

Answers

Convection processes occur in liquids such as liquids and gases due to the fact that the molecules within liquids or gases are free to move.

What is Convection?

Convection is defined as the process by which heat is transferred by the movement of a hot fluid such as air or water. The initial heat transfer between the object and the fluid is through conduction, but the bulk heat transfer is due to the motion of the fluid.

When a fluid is heated from below, thermal diffusion occurs, where the lower layers of the fluid that are hotter become less dense, where the colder fluid is denser. Due to buoyancy, the less dense, hotter part of the liquid rises and the cooler, denser liquid replaces it, which is repeated when this part also heats up and is replaced by the cooler upper layer. This is how heat is transferred through convection.

Thus, Convection processes occur in liquids such as liquids and gases due to the fact that the molecules within liquids or gases are free to move.

Learn more about Convection, here:

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Liquids and gases are fluids. The particles in these fluids can move from place to place. Convection occurs when particles with a lot of heat energy in a liquid or gas move and take the place of particles with less heat energy. Heat energy is transferred from hot places to cooler places by convection.

If an electron is gained, the atom has a _____ charge.

Answers

positive only if it is more than the proton

negative if it is more than the number of protons but the atom stays positive if there are more protons than electrons

You are at the beach on a cold day and you jump into the ocean water, which is only a few degrees warmer than the air. The water feels surprisingly warm and you don’t want to get out. The next day is extremely hot and you jump into the same ocean water. Today the water feels unbearably cold. Did the temperature of the water change? Explain why the water felt so different on both days. Use terms such as hot-free nerve endings, cold-free nerve endings, and desensitization.

Answers

The only way I could do that was if you had to do a little more work and I would

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