Structural adaptations<span> are physical features of an </span>organism<span> like the bill on a bird or the fur on a bear. Other </span>adaptations<span> are behavioral. Behavioral </span>adaptations<span> are the things </span>organisms do<span> to </span>survive. For example, bird calls and migration are behavioraladaptations<span>.</span>
Answer:
One right that every American is born with can be the freedom of speech. According to the first Amendment, American citizens are given this right. This right is something that every American is born with because everyone is allowed to express their ideas and opinions, within certain limits. A person's speech can't necessarily be restricted, but there can be consequences for certain things.
Answer: Even though the allele is recessive it is passed down from parent to child and if both parents have the recessive allele it is possible the child will have sickle cell as it is inherited.
Explanation:
I would say energy myself, and this is because energy plays a key role in all of these. With trophic levels energy is being transferred amongst the levels. Food chain's is a map of how the energy is passed along the chain. Food web is a web of how energy is transferred, and this is why I would say energy is a keyword.
