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sveticcg [70]
3 years ago
13

Algae at the beginning of a food chain would be considered?

Biology
1 answer:
Lilit [14]3 years ago
3 0
In my science classes, it was called a producer and or a keystone species
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Help me please!!! Will mark brainstest
omeli [17]

Answer:

The answer is B. A book sitting on a high shelf.

Explanation:

Because the book is balanced, and something that is balanced stays balanced until you move it.

7 0
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The graph shows the change in number of two populations, lions and zebras. The solid line represents the population of zebras an
9966 [12]
<span>The graph portrays predation. The relationship shows that an increase in the population of zebra results in a subsequent increase in the lion population, and vice versa. This, therefore, means that the lion population is dependent on the zebra population due to an interaction (predation).  The lion population will always be lower than that of the zebra because of the inefficiencies of energy transfer up the trophic levels (exhibited by a typical energy pyramid).  </span>




3 0
3 years ago
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Which of the following was created to allow for the treatment of infants with birth defects?
fomenos
Where are the choices? What following answers?
7 0
3 years ago
Recall that DNA is
Mashutka [201]

Answer:

25 nucleotide sequence pair

Explanation:

There are four nucleotide sequence pair present in DNA. and if we have 100 nucleotide so 25 nucleotide sequence pairs will be formed and each pair contains adenine (A), cytosine (C), guanine (G), and thymine (T).

Cytosine nucleotide paired with guanine nucleotide and Adenine nucleotide paired with thymine nucleotide . They have hydrogen bonds between each bases.  

6 0
3 years ago
Which event is often associated with an earthquake? A. hurricane B. sea floor spreading C. tsunami D. flooding
denis-greek [22]
A tsunami is associated a lot. Hope that helped dude! ( Or girl.)
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