The correct answer for the blank is: Surrounded by a moving border.
I hope that helped you! c:
Answer: Option D
Adaptation is a trait that gives an organisms a reproductive advantage in the current environment.
Explanation:
Adaption or adaptive trait is a trait posses by an organism that play a functional role in its current environment as a result of natural selection. These traits help organisms to meet their basic needs and survive in their environment. Organisms body part undergoes changes like coloring, physical appearance and many more make organisms to have reproductive advantages.
Answer:
covalent bond
Explanation:
A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.
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The shape of a bird's beak depends on its diet. ... Eagles and other birds of prey have a sharp, hooked beak in order to more easily tear the meat of the animals they feed on.
