Robert Hooke used a compound microscope to study tree bark, making important observations and coining the term "cell" in his book "Micrographia" published in 1665.
Robert Hooke, a renowned English scientist, used a compound microscope to study tree bark. In the 17th century, Hooke made significant contributions to microscopy and is best known for his book "Micrographia" published in 1665. In this book, he described his observations using a compound microscope, which had two or more lenses to magnify the specimen.
Hooke used a specially designed microscope with an adjustable lens system that allowed him to achieve high magnification and observe fine details of various objects, including tree bark. Using this microscope, he examined thin slices of cork and coined the term "cell" to describe the box-like structures he observed. Hooke's work with the compound microscope and his discoveries about cells laid the foundation for modern cell theory.
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The correct question is:
Which microscope did Robert Hooke use to study tree bark?
symmetrical in many ways across a central axis
presence of a head
development from three cell layers
Answer:
symmetrical in many ways across a central axis
presence of a head
Explanation:
Right!!
The answer is B and C
b. heat conserving structures
c. energy conserving behaviors
d. water conserving behaviors
The VanHelmont experiment consists of a measure of the amount of soil before and after a plant grows.
He wants to demonstrate the independence of soil.
After five years he measures the amount of soil and only 2oz gone from the initial amount of soil when the plant weight much more.
The conclusion was the plant use water to grow, and not the soil.
Afterward, he discovers CO2 but, not until the discovery of photosynthesis we all knew how everything in plants works.