Answer:
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Explanation:
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<em>A food web is a more realistic way of portraying an ecosystem than a food chain because food chains imply that organisms only eat one type of organism which is rarely true. In a food chain predators occupy higher levels than their prey. Food webs are more complicated diagrams that are not purely linear.</em>
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Answer:
The correct answer is option (d)-"All of these are found in the fossil record and have been used by scientists to understand human evolution".
Explanation:
There is plenty of evidence that supports the proposal of how humans has evolved during past times. The fossil records that scientists has used understand human evolutionary patterns include the following. Ardipithecus ramidus bones that revealed advances in upright walking, even tough they had a small brain that measured between 300 and 350 cm3. Australopithecus lack of an opposable big toe suggest that they lived on the ground instead of in trees. Homo erectus was the first species to use and control fire, as suggested by evidence of microscopic traces of wood ash.
<span>After a zygote undergoes cleavage division it is called a blastula. A blastula is a </span><span>spherical ball of cells that is created by cleaving the zygote.</span>
Answer:
Option A.
The best way to carry out smart growth is by keeping neighborhoods walkable.
Explanation:
- Smart growth is an unique concept that avoids sprawl by urban framing plan and transportation theory.
- For the smart growth of the community there must be compulsorily availability of walkable spaces in a compact urban centers.
- This tool of smart growth helps in developing the cities by preserving the available spaces for tomorrow, this process is also known as the sustainable development.
