Biodiversity means the variety of life on earth. The challenges that species habitats can present to estimating biodiversity is the high number of specie biodiversity in a certain habitat. This is not considered a good thing since <span>common and widespread species are invading it at the expense of species restricted to that habitat. Hope this answer helps.</span>
When focusing a specimen you should always start with lower power objective .
<h3>How to use microscope?</h3>
- Lower the stage (the flat ledge on which the slide is situated) to its lowest setting.
- Onto the stage, place the glass slide. Make sure the cover slide doesn't move or break when you push it under the clips.
- Choose an objective lens with the lowest .
- Once the cells are visible, turn the coarse focus knob.power
- When the cells are sharply in focus and visible, steadily turn the finefine focus knob.
- To see the cells more clearly and to repeat steps 1 through 5, use the higher.
- When using the high power objective only the fine adjustment knob should be used.
- The type of microscope used in most science classes is the light microscope.
- You should carry the microscope by the arm .
- The objective are attached to what part of the microscope revolving nosepiece.
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Answer:
Due to dominant trait.
Explanation:
The best explanation for this result is that grey colour is dominant trait due to which all of the progeny appears grey while in the second example, black colour is dominant trait which appears in the all the offspring of moth. In the offspring, only that trait becomes visible which is dominant while the trait which does not appear is known as recessive trait so that's the reason due to which grey in the first and black colour in the second becomes visible.
Hummingbirds pollinate native cactus. In areas of the Sonoran Desert with few hummingbirds, (5)invasive species such as buffelgrass have taken over the ecosystem. The theory that the balance of ecosystems can rely on one keystone species was first established in 1969 by American zoology professor Robert T. Paine.
Answer:
Appendix, in anatomy, a vestigial hollow tube that is closed at one end and is attached at the other end to the cecum, a pouchlike beginning of the large intestine into which the small intestine empties its contents. It is not clear whether the appendix serves any useful purpose in humans.
The answer is anatomy.