Question 2
Now follow these directions to classify the Insect specimens. Start by putting on your gloves and goggles. Then, using the
forceps, remove all 15 insect specimens from the jar and put them in the petri dishes.
Be very careful when removing the Insects. Wings and body structures can be easily damaged. Choose 10 insects that you
want to classify using the dichotomous key, and put the remaining Insects back into the solution.
The dichotomous key that came with the Edmentum lab kit has descriptions and "refer to numbers. Start at Space 1, and
determine whether your specimen has wings. Jump to the "refer to" space to further classify the organism. Continue until
you reach the Insect's order. If you're not using an Edmentum lab kit, follow the instructions for your specific dichotomous
key:
Now follow these steps to further classify each specimen. Write your notes in the chart using the exact wording from the
dichotomous key. An example is given in the chart.
1. Use the magnifying glass to identify the body parts of each Insect, such as the mouth or wing structure. Use the
microscope on the lowest or second-lowest setting to observe the body parts of small insects.
2. Place the Insect in the petri dish lid, and then place it on the microscope. (The bottom part of the petri dish is too tall
to fit under the microscope. Adjust the upper microscope light instead of the base light. Then move the dish around
until you can see the specimen.)
3. In some cases, an insect's metamorphosis will determine its final order. Use credible websites to look up the
metamorphosis of insects belonging to different orders, and match your specimens accordingly.
4. After you have studied all 10 insect, make sure your classification chart is complete and that you have used the exact
wording from the dichotomous key.
Answers: 2
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Which experiment would most likely contain experimental bias ?
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The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.
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Question 2
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