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galina1969 [7]
3 years ago
11

What hypothesis did Darwin investigate by studying the breeding of pigeons with distinctive traits?

Biology
2 answers:
KATRIN_1 [288]3 years ago
5 0

Answer: A

Explanation:

siniylev [52]3 years ago
3 0

Answer:

New species can appear gradually through small changes in an ancestral species.

Explanation:

The new species that appear are due to hereditary variations that occur in a population. The adaptive variations are said to confer a selective advantage to organisms possessing them. The result of variations is that well adapted individuals are able to survive and reach the reproductive age and pass over their favourable characteristics to their offspring.

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Which body system makes red blood cells?
forsale [732]

Answer:

In the human adult, the bone marrow produces all of the red blood cells, 60–70 percent of the white cells (i.e., the granulocytes), and all of the platelets. The lymphatic tissues, particularly the thymus, the spleen, and the lymph nodes, produce the lymphocytes (comprising 20–30 percent of the white cells).

4 0
3 years ago
Read 2 more answers
Which of the following is NOT true about the digestive system of annelids?
lapo4ka [179]
Yes I think you are right. It does not contain setae for food to travel to the anus. But it's something else that develops the food into poop and travels through anus

Hope this helps :)
5 0
3 years ago
Which statements describe adaptations in cultural practices resulting from scientific influences? Check all that apply.
son4ous [18]

People update outdated cell phones by purchasing smartphone devices.

People purchase solar panels after reading about the effects of burning coal.

People start grocery shopping online as new grocery applications are published.

Options B, C and E.

<u>Explanation:</u>

The statements that are given here talk about the change in the cultural practices of the people with the incoming of the Science and technology in their life and having an advancement of technology.

Like when people change their devices which have gone outdated to replace them with the new ones, or changing ways of shopping things from the older to new and more modern methods is change in the cultural practices because of Science.

3 0
3 years ago
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Which substance has the lowest specific heat?
skelet666 [1.2K]

Answer:

Metals such as iron have low specific heat. It doesn't take much energy to raise their temperature. That's why a metal spoon heats up quickly when placed in a cup of hot coffee. Sand also has a relatively low specific heat.

Explanation:

4 0
3 years ago
A volcanic eruption produces a large amount of smoke which affects the lungs of animals. Which of these Earth systems interact d
7nadin3 [17]
Hi lovely,

The answer you're looking for would be Biosphere.
8 0
3 years ago
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