Answer: Fluorescence microscope
Explanation:
The basic function of a fluorescence microscope is to irradiate the specimen with a desired and specific band of wavelengths. A fluorescence microscope uses a mercury or xenon lamp to produce ultraviolet light. The light comes into the microscope and hits a dichroic mirror. The dichroic mirror reflects the ultraviolet light up to the specimen. The ultraviolet light excites fluorescence within molecules in the specimen. The objective lens collects the fluorescent-wavelength light produced. This fluorescent light passes through the dichroic mirror and a barrier filter, making it to the eyepiece to form the image.
If a biologist is measuring diversity by calculating the proportion of individuals of each species, he or she is actually calculating the species evenness of species in the community.
<h3>What is species evenness?</h3>
- When there is an environmental gradient in the study region, systematic sampling is performed.
- To take systematic samples along the environmental gradient, a transect is utilized.
- A population is a collection of creatures belonging to the same species that coexist in a certain location.
- Within a given area, more than one population may exist.
- It's possible for populations of Saguaro cacti, Cactus Wrens, and Bark Scorpions to coexist in the same places.
- A population is a collection of people belonging to the same species who are present in the same location at the same time.
- All of the people in all of the interacting populations in a given area make up a community.
Learn more about population here:
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The correct answer is:
Nucleus
Prokaryotic cells do not contain <u>a nucleus</u>.
<span>Coronary arteries supply blood to the heart muscle.</span>
Answer:
To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight. By taking in water (H2O) through the roots, carbon dioxide (CO2) from the air, and light energy from the Sun, plants can perform photosynthesis to make glucose (sugars) and oxygen (O2).
Explanation:
I didt really understand your question.
