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Vilka [71]
2 years ago
14

Non-photosynthesizing organisms (like humans) must obtain which three basic types of nutrients from their environment?

Biology
1 answer:
Maurinko [17]2 years ago
3 0
Proteins carbohydrates and fats
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Light and dark moth natural selection experiment
S_A_V [24]

Answer:

The evolution of the peppered moth is an evolutionary instance of directional colour change in the moth population as a consequence of air pollution during the Industrial Revolution. The frequency of dark-coloured moths increased at that time, an example of industrial melanism. Later, when pollution was reduced, the light-coloured form again predominated. Industrial melanism in the peppered moth was an early test of Charles Darwin's natural selection in action, and remains as a classic example in the teaching of evolution.[1][2] In 1978 Sewall Wright described it as "the clearest case in which a conspicuous evolutionary process has actually been observed."[3][4]

The dark-coloured or melanic form of the peppered moth (var. carbonaria) was not known before 1811. After field collection in 1848 from Manchester, an industrial city in England, the frequency of the variety was found to have increased drastically. By the end of the 19th century it almost completely outnumbered the original light-coloured type (var. typica), with a record of 98% in 1895.[5] The evolutionary importance of the moth was only speculated upon during Darwin's lifetime. It was 14 years after Darwin's death, in 1896, that J.W. Tutt presented it as a case of natural selection.[6] Due to this, the idea widely spread, and more people believed in Darwin's theory.

Explanation:

3 0
3 years ago
List the events of the sodium potassium pump in the correct sequence, starting at the TOP.
marishachu [46]

<u>Answer</u>:

<em>Sodium potassium pump works by following several steps. </em>

<u>Explanation</u>:

<em>1. Carrier protein binds three molecules of Na+ </em>

<em>2. ATP is split, phosphate bonds to carrier. </em>

<em>3. Carrier protein changes shape, and deposits Na on the outside of the cell. </em>

<em>4. Carrier binds two molecules of K </em>

<em>5. Phosphate is released. </em>

<em>6. Potassium is released inside the cell </em>

Sodium -potassium pump is essential to maintain the concentration of sodium and potassium outside and inside the cell respectively.

It is the function of sodium potassium pump to transport sodium out of the cell and potassium inside of the cell against a concentration gradient.

<em>Thus it is an active transport mechanism. </em>

7 0
3 years ago
It is winter time in North America where Judy lives. Judy decides to go on vacation to South America for Christmas Break. How sh
ivanzaharov [21]

Answer

Warm clothes

Explanation:

Since the Hemispheres are parallel to each other in terms of seasons, the season should be winter in the south hemisphere so she she pack things like sweaters or mittens.

If warm clothes are for winter then go for it, if warm clothes are for summer then I'm sorry.

4 0
3 years ago
The fourth level of cell organization is the _____. tissue level system level organ level organism level
PilotLPTM [1.2K]
It goes
Cell -> Tissue -> Organ -> Organ System -> Organism
So the answer would system level :)
6 0
3 years ago
When you walk your dog, you're using energy from the sun to power this activity, explain.
Katyanochek1 [597]
Energy from sunlight is being used in an indirect way for walking the dog. Plants photosynthesize in which they absorb energy from sun and convert it into chemical energy, which is stored in organic product formed as a result of photosynthesis. When this organic compound is consumed by us, we use the chemical energy stored in that food to mechanical energy for walking the dog. Hence, the energy to walk the dog comes from sunlight.
7 0
3 years ago
Read 2 more answers
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