Answer:
In a habitat there are red bugs and green bugs. The birds prefer the taste of the red bugs, so soon there are many green bugs and few red bugs. The green bugs reproduce and make more green bugs and eventually there are no more red bugs.
Aerial roots allow the orchid to attach itself to trees.
Answer:
Elements that are metals tend to lose electrons and become positively charged ions called cations. Elements that are nonmetals tend to gain electrons and become negatively charged ions called anions
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Answer:
Muscles contract rapidly to produce heat on a cold day.
Explanation:
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Explanation:
During transcription, DNA is converted into RNA in the nucleus of the cell.