Answer:
C. But see the answer under C. Apparently C is the accepted answer.
Explanation:
A. Not A.I don't think that's a problem for gulls especially on beaches.
B. Not B. Their feather do not look like they need much help in keeping their feathers attached when in flight.
C. This is not really the answer, but it is the best answer of these 4. The actual answer is that the bones are porous for better air intake which provides more oxygen and hence they are better able to fly.
D. Not D. Food has nothing to do with the problem. Birds get an adequate amount of food without their wings being porous. See the answer for C.
Answer:
A. Compounds contain fixed ratios of different elements.
Explanation:
Water always has this 2:1 ratio of hydrogen to oxygen. Like water, all compounds consist of a fixed ratio of elements. It doesn't matter how much or how little of a compound there is. It always has the same composition.
This organism is a single cell that was isolated from the human body, has no nucleus, and was causing the patient to be ill, in this case is a bacteria.
<h3>What is the concept of bacteria?</h3>
Bacteria are single-celled prokaryotic organisms that are included in the Archaea and Bacteria Domain. Bacteria are fairly simple organisms and belong, according to Whitta's classification of five kingdoms, to the Monera Kingdom.
In this case, Bacteria are prokaryotic and unicellular organisms, that is, formed by a single cell, without a nucleus and with membrane-bound organelles.
See more about Bacteria at brainly.com/question/8008968
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Answer:
A. ovary
Explanation:
It takes place in a fallopian tube that links an ovary to the uterus.
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Answer:
mutation, recombination, and immigration of genes.
