Answer:
the outer core is a hot liquid made of nickel and other things the crust is the outermost part of the earth comprised of the tectonic plates the inner core is comprised of iron and nickel and is solid the mantle is comprised of magma
Explanation:
Answer:
Explanation:
by the environment around us, we breath
Given what we know, we can confirm that the "balance of nature" refers to a scientific theory about ecological homeostasis.
<h3>What does ecological homeostasis mean?</h3>
- This refers to the idea of a perfect balance in an ecosystem.
- It is the theory that all aspects of an ecosystem are and will remain balanced even if there are small changes.
- This implies that any minor change in an ecosystem will be corrected.
- This will happen through natural regulation mechanisms such as positive or negative feedback.
Therefore, we can confirm that the "balance of nature" is the scientific theory that all things in an ecosystem will remain balanced, meaning that if there is a small change, it will be corrected through some form of natural regulatory mechanism.
To learn more about ecosystems visit:
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Answer is Middle Paleozoic era.
Paleozoic era was in 542 Ma - 245 Ma and it has 6 periods as Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian.
360-280 Ma - forming of vascular plants with woody tissues, seeds and veins.
430 - 410 Ma - forming of jawed fishes and first amphibians.
420 Ma - forming of scorpions
360 Ma - forming of crustaceans.
Vegetative Reproduction????
