Answer: It is A
Explanation: C and D are jokes/ complete lies. B is wrong because Darwin did observe that animals and plants adapted (evolved) to suit their environments.
Answer:
206 in a fully grown adult and more than that in a child (300 at birth)
Explanation:
kids have more and as they grow bones fuse together
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The main dangers worldwide are population growth and resource consumption, climate change and global warming, habitat conversion and urbanisation, invasive alien species, over-exploitation of natural resources and environmental degradation.
Answer:
b. 10% of the plant's energy.
Explanation:
In an ecosystem, there are various trophic levels, which form the part of the food chain. Producer like plants forms the first trophic level as they synthesize their own food via photosynthesis.
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Answer:
The process described above is known as DNA replication.
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