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Arturiano [62]
3 years ago
7

I scientist wants to determine the effect of a new gasoline he feels one of the cars with normal gasoline and the other identica

l car with new gasoline which is a control group
Biology
1 answer:
maxonik [38]3 years ago
4 0
The car with normal gasoline because the effects of that are already known. whereas the car with new gasoline is different and new.
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The process whereby the earth’s life changes over time through changes in genes of populations of organisms in succeeding genera
kolezko [41]

Answer:

The correct answer is option : d. evolution.

Explanation:

Change in the heritable traits or characteristics of population of a organism over time by the adaption or changes in genes of such population over successive generation is known as the evolution.

These changes that cause the evolution of the biological population is caused by the process of adaption through natural selection that is the ability of the passing beneficial genes from parent to offspring.

Thus, the correct answer is option D. evolution.

3 0
3 years ago
Jack is examining a plant stem slide under the microscope. He can distinctly identify the epidermis, sclerenchyma, and phloem ti
11111nata11111 [884]
The answer is <span>A. Dermal tissue, ground tissue, and vascular tissue respectively.
<em>
</em>1. <em>Epidermis is dermal tissue. </em>Dermal tissue covers the plant from the outside. It consists of epidermis and periderm. Epidermis is a single layer that covers young plants. 
2. <em>Sclerenchyma is ground tissue.</em> Ground tissue has a variety of functions. It consists of sclerenchyma and parenchyma. The function of sclerenchima is support and strength of roots, stems, and leaves.
3. <em>Phloem is vascular tissue.</em> Vascular tissue has a role in transport of minerals, water, and organic compounds. It consists of phloem and xylem. Phloem transport organic compounds, such as carbohydrates, hormones, etc.



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5 0
3 years ago
Read 2 more answers
Crossword hint (6 letters): Transport type with a net movement of substance across a membrane against a concentration gradient;
jeyben [28]
It would be "active", the type being active transportation.
7 0
3 years ago
What does xylem carry up the plant?
antoniya [11.8K]

<em><u>Xylem</u></em> is a part of <em><u>Vascular bundle </u></em>which carry up <em><u>water</u></em> and <em><u>minerals</u></em> from roots of plant to its leaves.

So, the required answer is :

=》A. <em><u>Water and minerals</u></em>

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3 years ago
The development of the _____________—with its small size, absence of heat, and low cost—made personal computers possible
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Semiconductor materials are ostensibly little band hole encasings. The characterizing property of a semiconductor material with pollutions that adjust its electronic properties controllably. Most ordinarily utilized semiconductor materials are crystalline inorganic solids.
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3 years ago
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