All of the following patterns were witnessed by Darwin except that species vary

1 answer:

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The only incorrect answer is d. within very short spans of time.

In his Theory of Evolution, Darwin noted three patterns of biodiversity:
1. Species vary globally - different, but ecologically similar animal species inhabit separate habitats around the Globe, but again, these habitats are ecologically similar.
2. Species vary locally - different animal species that are related to each other, may occupy different habitats in an area not so far away.
3. Species vary over time - some traits become more common, other less common.

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Anatomy Label each of the following structures or processes.

RSB [31]

Answer:

A - DNA

B - mRNA

C - nuclear pore

D - tRNA

E - ribosome

F - rRNA

Explanation:

The entire structure illustrates the process of transcription and translation in a typical eukaryotic cell.

The DNA (A) in the nucleus of the cell is first transcribed to mRNA (B). The mRNA produced is transported to the cytoplasm through the openings within the nuclear membrane - the nuclear pores (C). On getting to the cytoplasm, the mRNA binds to the ribosome (E) (carrying rRNA, F). The tRNA (D) carrying the specific anticodon for a particular codon on the mRNA then binds to the structure and the corresponding amino acid is released. A polypeptide bond is formed between subsequent amino acids and the ribosome moves along the mRNA chain until the translation process is complete.

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What are the three parts of all seeds?

yarga [219]

The embryo, endosperm and seed coat.

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