Hello There!
A)Flocking provides aerodynamic efficiency and schooling provides hydrodynamic efficiency.
<span><span><span>10% of the primary consumer's energy
</span>10 percent rule
Food chain refers to a process cycle from producer to consumer to decomposer.
Plants – herbivores – omnivores – carnivores</span> <span>Start -> Plants -> herbivore insect -> spiders -> small bird -> Snake -> hawk -> fox -> lion -> when died the body will be eaten by hyena-> when hyena died -> body get decompose and be eaten by worms and the rest will be plant’s fertilizer.
The process of the food chain will then again takes place over and over again.<span>
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When a nerve impulse reaches the end of an axon, the axon releases chemicals called neurotransmitters. Neurotransmitters travel across the synapse between the axon and the dendrite of the next neuron. Neurotransmitters bind to the membrane of the dendrite
Answer:
Placebo, Is used to describe a substance given in clinical trial that does not contain the drug.
Explanation:
- Clinical trials are done to evaluate the effectiveness of a drug in treating a particular medical symptom or disease.
- In such case a placebo is used as a control in the experiment.
- A placebo contains all the components as the medicine except for the drug that is being tested.
- A placebo is given to one group of patients having the symptoms for which the drug is tested while another group of patients with same symptoms are given the drug.
- If the group that was given the drug show symptoms of cure while the group that was given placebo does not show changes. Then the drug is said to be effective.
Answer: I think the answer is c
Explanation: