Structural adaptations<span> are physical features of an organism 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 organisms do to survive. For example, bird calls and migration are behavioral</span>adaptations<span>.</span>
The predator would be the weasel, as it hunts down the hare :)
Kelp can be described as <span>fast growing algae. The correct option among all the options that are given in the question is the fourth option or option "d". It is a unique kind of an algae that has the capability to grow 2 feet in a day under right conditions. I hope that this is the answer that has come to your great help.</span>
Enzymes have an attachment site called the active site for the enzyme and substrate <span>to join.
Happy studying ^-^</span>