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Why is the earth called a closed ecosystem?
The Earth is called a closed ecosystem because it functions as a self-contained system where energy and materials are exchanged within itself without any external inputs or outputs. This means that resources are recycled within the Earth's system, making it relatively self-sustaining.
What do plants need to successfully on land?
They must have structures that allow them to obtain water or other nutrients from their surroundings, retain water, transport materials in their bodies, support their bodies, reproduce and leaves for photosynthesis
How does air enter the plants?
Plants take in air through tiny pores on their leaves called stomata. These stomata open to allow for the exchange of gases such as carbon dioxide and oxygen during photosynthesis and respiration.
Humans have pores in their skin to sweat and cool off the body Plants have similar structures called?
Plants have stomata, which are small pores on the surface of their leaves that allow for gas exchange and regulate water vapor and carbon dioxide intake. Stomata open to allow for photosynthesis and close to prevent excessive water loss.
What is the ability of a membrane to allow materials to pass through called?
Permeable if anything can go through or semipermeable if only certain things can go through it.
The tiny holes in the cell walls of plants that allow for the passing of materials are called the .?
Plasmodesmata
What term defines some light passing through?
Translucent materials allow some light to pass through. Transparent materials allow most or all light to pass through.
Materials that do not allow light to pass through?
Some examples of materials that do not allow light to pass through include wood, metals such as iron and aluminum, and opaque plastics. These materials absorb or reflect light, preventing it from passing through them.
What are materials that transmit and scatter light called?
Materials that transmit light are called transparent materials, while materials that scatter light in various directions are called translucent materials. Materials that do not allow light to pass through are called opaque materials.
What do you call things that do not allow light to pass?
They are called opaque materials.
Materials that allow light to pass through them are called?
Materials that allow light to pass through them are called transparent materials. These materials do not absorb or reflect light, enabling light to travel through them with minimal obstruction. Examples include glass, water, and clear plastics.
What are materials that allow electrical currents to flow them are called?
Materials that allow electrical currents to flow through them are called conductors. Examples of good conductors include metals such as copper, silver, and aluminum.
WHAT TYPE OF MATERIAL WILL NOT ALLOW MAGNETIC FORCES TO PASS THROUGH IT?
Ferromagnetic materials, such as iron and steel, will not allow magnetic forces to pass through them. These materials can redirect and concentrate magnetic fields, leading to a distortion of the magnetic force passing through them.
What does allow?
plants to make sugar called glucose. its how they survive
What are materials that don't allow electrons to flow freely called?
Materials that don't allow electrons to flow freely are called insulators. Examples include rubber, glass, and plastic. These materials have very high resistance to the flow of electrical current.
What is the abillity of a membrane to allow materials to pass through called?
permeability
What word is used for materials that light can pass through?
Transparent materials allow light to freely pass through them. Translucent materials also allow light to pass through them, but change the colour of the light.
