Inspector General of Health and Human Services
Answer: Cells typically receive signals in chemical form via various signaling molecules. When a signaling molecule joins with an appropriate receptor on a cell surface, this binding triggers a chain of events that not only carries the signal to the cell interior, but amplifies it as well.
Explanation:
Answer:
The correct answer is - All plants share a similar life cycle
Explanation:
The sperms that the bryophytes are biflagellated whereas in ferns these are multi-flagellated that helps in the swimming to the archegonia or female part to perform the fertilization, due to the presence of water.
The sperms in cycads also have flagella for the same purpose of swimming in the pollen tube. The ferns and the bryophytes both require the same or similar life cycle that includes the flagella and water for the formation of the zygote.
As evidenced by their most recent common ancestor, the wings of the butterfly and the wings of the bat evolved independently, long after their ancestral lineages diverged. More examples of analogous structures: wings of various species (though the bones supporting the wing may be homologous, in some cases)
Answer:
B,E,C, A
Explanation:
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