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vladimir1956 [14]
3 years ago
6

Question 2(Multiple Choice Worth 2 points)

Biology
1 answer:
Archy [21]3 years ago
5 0
Answer is:
2Mg(s) + O2(g) -> 2MgO(s)
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Most of the exchange surfaces of multicellular animals are lined with _____.
e-lub [12.9K]

Answer:

D) epithelial tissue

Explanation:

The exchange surfaces of the organisms are the site for an exchange of substances or gases. These surfaces mostly lie within the body and protect the exchange tissues. The exchange surfaces of multicellular organisms are lined with epithelial tissues. These tissues have tightly packed cells with little or no intercellular spaces. The epithelial tissues serve to protect the exchange surfaces. Sometimes, these epithelial linings are modified to perform an additional function. The exchange surfaces are finely branched or folded to have a very large area. The digestive, respiratory, and excretory systems all have such exchange surfaces.

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3 years ago
Which is one of the six fundmental elements that are found in living organisms ​
marta [7]

The six fundmental elements are carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur.

4 0
3 years ago
Which of the following is an example of a fixed action pattern behavior?
Radda [10]

A robin flying south for the winter

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3 years ago
Which weighs more: a pound of feathers or a pound of lead? Explain.
ki77a [65]

Answer: both weigh the same.

This is a very obvious question just because the lead is heavier that does not mean it ways more than the other. One pound of feathers is the same as one pound of lead

6 0
3 years ago
The correct answer will get Brainliest!
Leto [7]

Answer:

Diversity of the community = 2.097

Explanation:

Given:

Number of pitch pines = 134

Number of douglas firs = 24

Number of red pines = 53

Find:

Diversity of the community

Computation:

Simpson's diversity index = N(N-1)/Σn(n-1)

Particular              n n(n-1)

Pitch pine         134       17822

Douglas firs       24 552

Red pine            53  2756

Total       N=211 21130

So,

D= [211(211-1)] / 21130

D = 2.097

Diversity of the community = 2.097

7 0
3 years ago
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