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Artemon [7]
3 years ago
8

The uppermost zone in lakes and ponds, which is close to the shore and rich in nutrients is called the _______.

Biology
1 answer:
irakobra [83]3 years ago
6 0
The answer is D. i just had this question on a quiz and it says D is correct
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The biological levels of organization range from a single cell all the way up to the biosphere in a highly structured hierarchy.
ELEN [110]

Answer:

B) Tissue is made of different types of cells.

D) Organs are made of different types of tissue.

Explanation:

The tissues are made of different types of cells. The organs are also made of different types of tissue. There is no need of same types of tissues to make organs. Thus, option (B) and (D) is correct answer.

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3 years ago
A group of students wanted to compare the rate of respiration in four different fruits, as well as in tomatoes.
Brilliant_brown [7]

In this case, the dependent variable is the rate of respiration, the independent variable is the type of plant (either fruit or tomatoes), whereas a fixed variable may be the temperature.

<h3>What is a dependent variable?</h3>

A dependent variable is any type of experimental condition that is modified during the experiment.

Conversely, independent variables do not change along the experimental procedure (e.g., type of plant).

Finally, a fixed variable, also known as a control variable, is any condition that remains stable during the experimental procedure (in this case, for example, room ambient temperature).

In conclusion, the dependent variable is the rate of respiration.

Learn more about dependent variables here:

brainly.com/question/25223322

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4 0
1 year ago
Why is it argued that speech is only possible in modern homo sapiens and not in homo erectus or homo neanderthalensis? the brain
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Answer: homo sapiens is the only species with a large enough oral cavity and a low enough larynx to allow for speech production. 

<span>One line of evidence that speech only possible for modern homo sapiens is the anatomy of their throat. Speech depends on certain anatomical arrangements and the Homo sapiens is the only species with a large enough oral cavity and a low enough larynx that would allow speech.</span>

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3 years ago
Why is mRNA needed in cells, and how does it help with creating proteins?
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