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joja [24]
3 years ago
11

Dinosaurs were the dominant land animal of the Mesozoic Era. true or false

Biology
2 answers:
s2008m [1.1K]3 years ago
8 0

Dinosaurs where the dominant animals, so the answer is true.

Explanation;

The Mesozoic Era lasted more than 180 million years. Throughout this time, many contemporary forms of plants, invertebrates, and fishes developed. On land, dinosaurs were the dominant animals, while the oceans were populated by large marine reptiles, and Pterosaurs ruled the air.

Alex_Xolod [135]3 years ago
5 0
Dinosaurs where the dominant animals, so the answer is true.
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Answer:

c

Explanation:

Random distribution of the Isopods should be 50/50 in A and B.

Chi-square = \frac{(O - E)^2}{E} where O = observed frequency and E = expected frequency

Chamber         O                    E             Chi-square

  A                   18                   10             \frac{(18 - 10)^2}{10} = 6.4

  B                    2                    10             \frac{(2 - 10)^2}{10} = 6.4

<em>Total Chi-square </em>= 6.4 + 6.4 = 12.8

<em>Degree of freedom</em> = 2 - 1 = 1

<em>Tabulated Chi-square</em> (α = 0.05) = 3.8415

The calculated Chi-square exceeds the critical value, hence, it is significant and not due to random.

<em>The correct option is </em><em>c</em><em>.</em>

4 0
3 years ago
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Biological vectors
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7 0
3 years ago
Why do lymph nodes get swollen?
anzhelika [568]

Answer:

Lymph nodes become swollen in response to illness, infection, or stress.

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3 years ago
In a community a species of birds has some individuals with a different size and others which statement correctly explains how p
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Physical differences in beaks of birds would develop as a result of different environmental changes.

<h3>What is Evolution?</h3>

This is described as the process in which heritable characteristics are changed in species over successive generations. This occurs as a result of natural selection in which the traits suitable for survival are passed to the offspring.

This is usually as a result of a change in the environmental factors which ensures that the organisms are able to adapt so as not to die out and go extinct in this type of scenario.

Read more about Evolution here brainly.com/question/12271572

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3 0
1 year ago
10 points + brainliest to first correect answer :) incorrect answers/ answers with no effort will be deleted this is easy im jus
GalinKa [24]

Answer:

D

Explanation:

Chytrids lack hyphae.

7 0
2 years ago
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