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AURORKA [14]
3 years ago
9

What is a consumer????????????????

Biology
1 answer:
gtnhenbr [62]3 years ago
3 0

Answer:

a person who purchases goods and services for personal use.

Explanation:

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explain why the top of an energy pyramid does not have an arrow showing energy going back down to the bottom.
SCORPION-xisa [38]
<span>The answer to your question is that all of the energy is ultimately radiated into empty outer space as heat. The second law of thermodynamics mandates that all processes that involve the transfer of energy MUST radiate a portion of this energy into space as waste heat. This is why when you run down the street you get hot and sweaty, and this is why automobiles MUST have a functioning radiator and nuclear power stations MUST have evaporation cooling towers or else be located near a large body of water to exchange excess waste heat into, etc., etc. It is also true that the transfer of energy at each step up the food chain is very inefficient. They say it takes around 50 lbs of corn to produce one pound of beef, and it probably takes 20-30 pounds of beef to produce one pound of human tissue. The rest of the energy just goes into your living room as radiated body heat. I hope this helps.</span>
4 0
4 years ago
Read 2 more answers
What situation might develop in a population having some plants whose flowers open at midday and other plants whose flowers open
Kay [80]

Complete question: What situation might develop in a population having some plants whose flowers open at midday and other plants whose flowers open late in the day?

a. Temporal isolation

b. Geographic isolation

c. Behavioral isolation

d. Genetic drift

Answer:

a. Temporal isolation

Explanation:

Temporal isolation is one of several mechanisms of reproductive isolation. Temporal isolation occurs when some organisms of a population exhibit different timing of reproductive maturity. It also occurs when some members of a population reproduce at a different time from the others. This does not allow interbreeding between them.

When plants of a population open flower at a different time of day, cross-pollination would not occur between these plants. This represents temporal isolation.

8 0
3 years ago
It's a odd question but are there any other colors in the world that we can't see?
Viktor [21]
Ya i think there is:) check this out
http://www.livescience.com/17948-red-green-blue-yellow-stunning-colors.html
6 0
3 years ago
What electrical charge is present on the nylon strips?
Nikolay [14]
Static Energy.

Hope this helped. :)

4 0
3 years ago
The ________ in keratinocytes protects the epidermis and dermis from the harmful effects of sunlight.
Vikentia [17]
Melanin conveys some UV protection
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3 years ago
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