Wh, rectangular piece of glass called a slide. You must
handle slides gently to avoid breaking them.
Lesson 2 Review
Use Vocabulary
1 Define description and explanation in
your own words.
2 Use the term International System of Units
(SI) in a sentence.
Understand Key Concepts
3 Which tool would a scientist use to
view a tiny organism?
A. computer
C. test tube
B. compound D. triple-beam
microscope
balance
4 Describe the difference between
accuracy and precision.
5 Explain why scientists use significant
digits.
NOS. 18 Scientific Explanations

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.

you know that this symptom is misleading and quite often is related to: heart attack

a heart attack is a condition that occurs when the blood flow that transports oxygen to the heart muscle is damaged or cut off completely. the coronary arteries that supply the heart muscle with blood flow can be blocked by the accumulation of plaque. also, when the plaque within the heart artery breaks, it creates blood clot that can also hinder the blood flow. men that are over 45years of age and women that are over 55years of age are at risk of having a heart attack. the symptoms of a heart attack include chest discomfort, chest pain, coughing, and shortness of breath.

to this answer it would be edge enhancement