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Alinara [238K]
3 years ago
13

Which of the following are some of the sections of Darwin’s theory of evolution by natural selection? (Choose all that apply) [[

you have to choose 3. ]]
1.) competition
2.) fitness
3.) overproduction
4.) differential reproduction
Biology
1 answer:
Naddik [55]3 years ago
5 0

Answer:

- competition

 overproduction

-  differential reproduction

explanation:

- Competition

According to Darwin, Competition refers to the struggles that living organisms have to face on day to day basis in order to obtain enough resources (such as food and water) To survive.

- Overproduction

Charles Darwin stated that overproduction is organisms' tendency to produce more offspring than what they could realistically sustain. Darwin believe that they did this because there is always a chance that the offsprings might got killed and unable to obtain food before they can reproduce again. Overproduction ensure that their genetic line can continue for as long as possible.

- differential reproduction

Darwin believe that organisms have a tendency to reproduce with other organism if they have a certain unique characteristics that help them survive. (Such as more strength, better beak shapes, Longer necks, etc)

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Unlike rocks, all minerals ________ and ________.
Maurinko [17]

The correct answer is B!

Why is this?

A mineral is a naturally occurring, inorganic solid with a definite crystalline structure and chemical composition. All minerals contain one or more elements, which are pure substances that cannot be broken down into simpler substances by chemical means.

8 0
3 years ago
Forests in Michigan, as well as forests throughout the states, are under increasing development pressure. Parcelization is the d
Len [333]
The parcelization and urbanization of forests bring with them serious consequences for nature and humans beings, although we probably see it as an advance; deforestation, logging, burning, seriously affect the vegetation, and the fauna of a forest, the human workforce , the deviation of rivers and the modification of natural zones seem to be a development of society, but in the long run it affects more to humans than to nature itself, because we are the ones who will not have natural lungs to breathe, and those who soon will be drowned with our own pollution, because there are no forests, no nature to purify the air we need.

4 0
3 years ago
Read 2 more answers
2 What is the function of proteins in the cell membrane?
77julia77 [94]
Answer is F: Facilitates the movement of particles across the cell membrane.

Types of proteins found in the cell membrane includes channel and carrier proteins, both which are involved in the process of facilitated diffusion where they help facilitate the movement of large or polar molecules across the membrane.

8 0
2 years ago
Epithelia are classified by the number of cell layers and the ____________________ of the cells.
nalin [4]
Epithelia are classified by the number of cell layers and the general shape of the cells
4 0
3 years ago
Solid sodium reacts with liquid water to form hydrogen gas according to the equation 2 Na(s) + 2 H₂O(l) → 2 NaOH(aq) + H₂(g) Wha
lana66690 [7]

Answer: 21850.42mmHg or 28.78atm

Explanation: From the equation of the reaction, 2 moles of sodium reacts with 2 moles of water to produce 2 moles of NaoH and 1 mole of hydrogen gas at s.t.p.

molar volume of gas at s.t.p. = 22.4dm^3,

standard temperature = 0°C or 273K,

standard pressure = 760mmHg or 1atm,

molar mass of Na = 23g;

volume of the container= 20L or 20dm^3

From the equation, 2 moles or 46g of Na produces i mole or 22.4 dm^3 of hydrogen.

Therefore, 1kg or 1000g of Na will produce 22.4 * 1000/(46)= 486dm^3 of hydrogen.

To find the pressure of the gas produced, the formula P1V1/T1 = P2V2/T2

P1= 760mmHg, T1= 273K, V1 (initial volume of gas)= 486dm^3, T2=50.0°C or 50+273K= 323K, V2( final volume of gas= volume of vessel)=20dm^3  P2=?

P1= P1V1*T2/(V2T1)= 760mmHg * 323/(273)= 21850.42mmHg or 1atm*21850.42/760= 28.78atm

5 0
3 years ago
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