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Bess [88]
3 years ago
13

What are some opinions on evolution?

Biology
1 answer:
juin [17]3 years ago
8 0
Evolution is a slow process that happens over hundreds of years. It is connected to survival of the fittest. We have to change to adapt to our surrounding and the environment.
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Which disease includes loss of motor neurons in the anterior horns of the spinal cord and motor nuclei of the lower brain stem?
otez555 [7]
Motor neuron disease includes loss of motor neurons in the anterior horns of the spinal cord and motor nuclei of the lower brain stem.
3 0
3 years ago
Theodor W. Engelmann illuminated a filament of algae with light that passed through a prism, thus exposing different segments of
WARRIOR [948]

Answer:

The correct answer is C and Engelmann conducted this experiment to prove relationship between algae and the rate of photosynthesis.

Explanation: First we must talk about 3 facts:

1) Prism scatters the white light into different wavelengths.

2) Photosynthesis, 6 carbon dioxide and 6 water molecules are consumed and 6 oxygen and 1 sugar molecule is synthesized using light energy.

6CO2 + 6H2O → C6H12O6 + 6O2

3) Aerobic bacteria breaks down sugar while using oxygen and produces water and carbon dioxide in simplified terms.

So with this experimental setup a researcher can understand the rate of the photosynthesis by increased accumulation of aerobic bacteria near algae  in certain wavelengths since they uses oxygen and tend to move close to the oxygen source (<u>see figure</u>). In this experiment there are no ways to measure heat (B), there is no known relation between wavelength of light and aerobic respiration since it can happen even in the dark (A) and finally there are no ways to measure carbon dioxide (D).

5 0
3 years ago
Assume that male sticklebacks (a type of fish) that aggressively guard their nests are exposed to pollutants that mimic the fema
Romashka-Z-Leto [24]

Out of the following given choices;

               

<span>A.      </span>cause their nest-guarding activity to drop

<span>B.      </span>change male characteristics to female characteristics

<span>C.      </span>disrupt the estrogen receptors

<span>D.      </span>cause the males to become even more aggressive

 

The answer is A. The males would begin to search for the females for mating and hence reduce their guard of the nests. This would result in easy access of the nests to enemies and predators of  fish eggs and fingerlings.






3 0
3 years ago
_________ conducted experimental ablation in animals, whereas ________ applied the concept experimental ablation to humans
telo118 [61]
First Blank Space:Flourens
Second Blank Space:Broca
6 0
3 years ago
What is the environmental impart of coal? Please use 3+ sentences. Extra Points!
Reika [66]
Coal can disrupt life and air. Coal is a non reusable resource and it can make life harder. Coal can heat homes and power trains. 
7 0
3 years ago
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