Answer: In his experiment, Pavlov used a metronome as his neutral stimulus. By itself the metronome did not elicit a response from the dogs. Next, <u>Pavlov began the conditioning procedure, whereby the clicking metronome was introduced just before he gave food to his dogs.</u>
Answer is A.
:)
The groups of small cells better than one large cell at moving material in and out because they have a greater surface-to-volume ratio.
<u>Option: A</u>
<u>Explanation:</u>
This happened so as these smaller cells, unlike bigger cells, can quickly and willingly enter and move through the membranes of other cell membranes and permeable coverings. For these smaller and mini cells, it is also important to penetrate and move effectively, distribute and transport products and materials such as nutrients, oxygen and waste across the body without requiring enough energy and saving less space. They are cheaper, more effective and use less room for simple reasons, and most notably deplete less resources.
Answer:
An ecosystem is a community of living organisms with nonliving components of their environment, interacting together as a system
Explanation:
I vivid description of an ecosystem is that species of different kinds make up populations which makes up communities.
The nurse should perform the ABC's, which starts out with A- Airway B- Breathing, and C- Circulation, if any of these are not within normal limits then the child will be given a dose of epinephrine (1/1,000) .3mg IM, Benadryl 25/50 mg followed by a dose of solumedrol