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nlexa [21]
3 years ago
6

Leaves curving towards sunlight are examples of _____.

Biology
2 answers:
Anettt [7]3 years ago
8 0
The answer is phototrophism
lesantik [10]3 years ago
3 0

Answer: positive phototropism.

Explanation: Phototropism is the movement of the plant because of external stimuli. If the plant mives towards the sunlight to generate energy it is called positive phototropism. If it moves or grows away from the sun it is called negative phototropism or skototropism.

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Uniformitarians was concept borrowed from geology. How did Darwin apply it to biology?
KIM [24]

Answer: Uniformitarianism, states that  the geological processes that take place today would have taken place in the past and it will continue in future as well.

Darwin suggested that the the evolution takes place over a period of time. It takes time to change and this change takes time.

Both the laws states the same thing, that the geological processes and the process of evolution takes place over a period of time and does not takes place rapidly.

Sorry about the other person I reported her answer.

8 0
3 years ago
***please help.***
Fantom [35]

Answer:

1.  first part Gene expression is the process by which the instructions in our DNA are converted into a functional product, such as a protein. When the information stored in our DNA? is converted into instructions for making proteins or other molecules, it is called gene expression.  second part Double-stranded DNA consists of two polynucleotides that are arranged such that the nitrogenous bases within one polynucleotide are attached to the nitrogenous bases within another polynucleotide by way of special chemical bonds called hydrogen bonds.

2. Gene regulation is an important part of normal development. Genes are turned on and off in different patterns during development to make a brain cell look and act different from a liver cell or a muscle cell, for example. Gene regulation also allows cells to react quickly to changes in their environments.

3. Non-coding DNA sequences do not code for amino acids. Most non-coding DNA lies between genes on the chromosome and has no known function. Other non-coding DNA, called introns, is found within genes. Some non-coding DNA plays a role in the regulation of gene expression.

4 0
2 years ago
What 3 green house gases are in our atmosphere
Andreyy89

Answer:

Carbon dioxide, nitrous oxide, and methane

Explanation:

4 0
2 years ago
What theory was developed around the idea that some eukaryotic organelles evolved from prokaryotic organisms?
tigry1 [53]
The theory would be endosymbiont theory. It was developed on the idea that some eukaryotic organelles come from prokaryotic organisms. It is also known as symbiogenesis. This theory says that these organelles were first from prokaryotic cells that is living inside a host cell.
7 0
3 years ago
Which of the following are examples of the effects of living things on the atmosphere and climate?
musickatia [10]
Changes in levels of carbon dioxide. 

5 0
3 years ago
Read 2 more answers
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