<span>d. All of the above
These behaviors;
Spreading wings
Flattening feathers
panting
are all evolutionary process to maintain body temperature. Birds are warm-blooded animals. Also known as </span><span>homeotherms, which is defined as having the constant body temperature. This is a vital function for the survival of the specie.
</span>
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<span>c. are hollow
</span>
The bones of most birds are hollow in order for the weight of the birds to be light for them to fly.
Answer: when one is lost, one is formed
Answer;
A. People eating salmon
Explanation;
-All of the materials an organism takes in are
returned to the ecosystem, while the organism lives or after it dies.The movement of matter through the living and nonliving parts of
an ecosystem is a continuous process, a cycle.
-Matter in an ecosystem may
change form, but it never leaves the ecosystem, so the matter is said to
cycle through the ecosystem.
The given statement is true.
Some of the health science sites may restrict employees from wearing perfumes or other fragrances because the chemicals in the fragrances can stimulate reactions ranging from headaches to palpitations of heart in some of the individuals who are sensitive to them, making it tough for them to work efficiently.
With time, the individuals getting exposed to the chemicals present in the fragrances become more sensitized to them to the point that they can no longer tolerate any more exposure. This can initiate breathing issues, nausea, sneezing, disorientation, and in extreme situations, they can even go into shock.