plants
Where is made the chlorophyll?
maily at the leaf?
How many layes has the Earth?
Earth crust, the mantle, and the core
which are examples of the anelids?
leeches, marine worms, earthworms
Where is 90% of the oxygen ?
At the troposphere.
What is the water distribution?
97% is on the sea and 3% is sweet water
Why are plants so important biosphere?
they are main providors of oxygen
Who many layers have the matle?
2, the internal and the external
why are echinoderms named like this?
Its name refers to its exclusive internal skeleton formed by calcareous ossicles.
What is the main function of the atmosphere?
to act as protective filter
where is located 79% of the sweet water?
its mainly snow and ice
Which are the vegetable organs?
the root, the stem and the leaves.
what are the elements of the Earth crust?
iron, silicon, chlorine, magnesium, calcium, aluminium
what is a metamer?
Each of the rings or segments into which the body of annelids and arthropods is divided.
what is a barometer?
Its a device that measures the atmosphere preasure
where is located 1% of the sweet water?
on the lakes, atmosphere, rivers and living creatures
Where is done the exchange of gases?
at the stomata
Which are the properties of the minerals?
hardness, colour, brightness, exfoliation
what is a radula?
The radula is a structure located at the base of the mouth of mollusks (with the exception of the representatives of the Bivalvia and Scaphopoda classes); This structure is specialized in scraping the food. ... The mouth of the gastropods is located in the anterior and ventral part of the body
where is there more preasure? at the sea or at the top of a mountain?
at the sea
what is the runoff of the water?
Rainwater that circulates freely on the surface of a terrain.
Where is done the breathing of the plant?
at the mitochondria
What is the Mohns scale?
The one that measures the endurance of the minerals
what is an exoskeleton?
it is the continuous external skeleton that covers, protects and supports the body of an animal, fungus or protist.
what is an important function of the atmosphere?
It spreads the solar energy
What is infiltration?
Infiltration is the process by which water on the earth's surface enters the soil. ... If the precipitation rate exceeds the infiltration rate, runoff will occur unless there is some physical barrier. It is related to the saturated hydraulic conductivity of the soil near the surface.