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kolbaska11 [484]
3 years ago
15

Why are there usually few organisms at the top of a food web?

Biology
1 answer:
Zina [86]3 years ago
7 0
The organisms<span> that eat the producers are the primary consumers. They tend to be small in size and </span>there<span> are many of them. ... Because of this inefficiency, </span>there<span> is only enough </span>food<span> for a </span>few top<span> level consumers, but </span>there<span> is lots of </span>food<span> for herbivores lower down on the </span>food chain<span>.</span>
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The medial cord is medial to the axillary artery and is formed by the ______ division of the inferior trunk; it contains portion
SpyIntel [72]

The medial cord is formed by the anterior division of the inferior trunk.

It contains portions of nerves C8-T1.

             The medial cord is present in our neck and is a part of the brachial plexus. It is formed by the anterior division of the lower trunk. It is called the medial because it is medial to the axillary artery.

              The medial cord leads to the formation of the medial pectoral nerve, medial cutaneous nerve of the arm, and medial cutaneous nerve of the forearm.

               The nerves labeled as C refer to the nerves affecting the motor system in our neck and upper limb. Thus nerves from C8 work for the motor conventions of our upper limb and neck.

              The nerves labeled as T are spread over our chest, shoulders, and hands. Thus, the nerve T1 works in the upper part of our body.

To learn more about cords and nerves,

brainly.com/question/28198286

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4 0
1 year ago
Bruce Wallace (1963) established a laboratory population in which the recessive allele lt was at a frequency of 0.5. He propagat
Alenkinab [10]

Answer:

a. True

Explanation:

Bruce Wallace was a professor emeritus of genetics who performed many population studies. He worked in 1958 at the University of Cornell as a professor of genetics. In 1963, he performed a population study wherein the recessive allele <em>It </em>was at a frequency of 0.5. The population was propagated for 10 generations and the frequency of <em>It</em> for each generation was determined.

The result of this study showed that<em> lt/lt </em>died without reproducing, whereas, individuals with genotype <em>+/+ </em>were normal.

8 0
3 years ago
Electron movement around the nucleus of an atom is analogous to the way_____________.A. insects fly around a bright lamp at nigh
bearhunter [10]

Answer:

A. insects fly around a bright lamp at night

Explanation:

insects are naturally attracted to light  due to presence of positive phototaxis.  Insects revolve around the light in the same way as electrons do around the nucleus.

4 0
3 years ago
Hey wut yall think of the answer
expeople1 [14]

Answer:

second one

Explanation:

can you help me with my question In the extended simile of the underlined passage from Paragraph 15 of "A Wagner Matinee," the narrator makes an observation about the soul that aring rokol been A. it is like a strange moss on a dusty shelf that, with excruciating suffering, can wither and die y for I the be B though after excruciating suffering it may seem to wither, the soul never dies, C. excruciating, interminable suffering that goes on for half a century can kill the soul.

3 0
3 years ago
Earth's tides are caused by the influence of celestial bodies. Which body
aliya0001 [1]
The answer is the moon because it’s closer than any other celestial body.
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3 years ago
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