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space and plant reproduction - Coggle Diagram
space and plant reproduction
plant reproduction
what are the parts of a flower stigma, anther, petal, ovary, ovule
what is the difference between cross and self pollination?Self-pollination occurs when the pollen from the anther is deposited on the stigma of the same flower, or another flower on the same plant. Cross-pollination is the transfer of pollen from the anther of one flower to the stigma of another flower on a different individual of the same species.
What is the difference between wind and animal pollination?Insect pollinated flowers have large, heavy pollen that need help spreading from plant to plant. To get help, they use petals, scents, and nectar to attract the pollinators, that get pollen and nectar in return for their assistance.Flowers that are wind-pollinated do not need to be attractive.
Space
What is the difference between weight and mass?
Mass is a measurement of the amount of matter something contains, while Weight is the measurement of the pull of gravity on an object. Mass is measured by using a balance comparing a known amount of matter to an unknown amount of matter. Weight is measured on a scale.
This is the thinnest layer of the Earth
It is between 8 and 40 km thick.
It is thinner under the oceans than it is on land
It contains rocks and minerals
Crust
We calculate weight by multiplying the mass by gravity on the surface of the planet. So, if you know your weight on Earth and the surface gravity on Earth, you can calculate your mass. You can then calculate your weight on any other planet by using the surface gravity of that planet in the same equation.
This is the thickest layer of the Earth
This is made of solid rock that can flow - plastic rock
It moves in big circles caused by convection Currents
This is where the hot rock rises and the cold rock sinks
Mantle
Made of mainly and
The outer core is liquid
The inner core is hotter but the metals are solid
The outer core is where the magnetic field comes from - this makes compasses work