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Nady [450]
4 years ago
12

What can a ecosystem survive without with

Biology
1 answer:
Lady_Fox [76]4 years ago
7 0
<span>An ecosystem can be thought of as a community of plants and animals that livesymbiotically. An ecosystem can ... No life could exist without it.</span><span>
</span>
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What is the primary symptom of niacin toxicity?
QveST [7]
The answer to this question would be: d) flushing<span>
Niacin or nicotinic acid is also known as vitamin B3. Niacin has a role in lipid metabolism and consuming a high dose of niacin can lower LDL, lower triglyceride and increase HDL. Therefore, niacin can be used to improve lipid profile. The symptomps of toxicity should be flushing or hepatotoxicity.</span>
8 0
4 years ago
When plants make flowers, gene A is expressedin whorls 1 and 2, gene B is expressed in whorls 2 and 3 and gene C in whorls 3 and
Sati [7]

Answer:

The correct answer would be option D) no gametes.

Explanation:

The ABC model of the flower was formulated to describe the collection of genetic procedures that determines floral organs in several plants. These species consist of four whorls which are sepals, petals, stamens, and carpels. These whorls are expressed by the expression of a number of genes present in each whorl or verticli.

Gene A is solely responsible for the sepals while the co-expression of A and B genes are responsible for the petals. The identity of the stamens is expressed by B and C and the carpels require C and D genes to be active.

The homozygousity for a normal mutation in gene C will lead to inactive or lack stamens and carpels, which are male and female reproductive organs. These are an important structure for forming gametes.

Thus, the correct answer would be option D) no gametes.

3 0
3 years ago
1. Describe the effect that the change in the environment had on the horse ancestor.<br>​
sertanlavr [38]
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5 0
3 years ago
Explain how the law of entropy (second law of thermodynamics) applies in explaining the 10% rule in energy transfer in a food we
8_murik_8 [283]

Energy is always lost as energy is moved from one level to another. ... The loss of energy due to the second law of thermodynamics results in a pyramid with a large base and a 10% ratio between levels.

7 0
3 years ago
Explain how increasing amount of sucrose in food affects sucrase activity.
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