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serg [7]
2 years ago
6

How do

Biology
1 answer:
sweet [91]2 years ago
5 0

Answer:  Science, engineering, and technology permeate nearly every facet of modern life and hold the key to solving many of humanity's most pressing current and future challenges. The United States' position in the global economy is declining, in part because U.S. workers lack fundamental knowledge in these fields.

Explanation:

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What is a retrovirus
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<span>A retrovirus is anything of a group of RNA viruses that insert a DNA copy of their genome into the host cell to replicate.
your welcome 

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3 years ago
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Reptiles are better suited to dry land than their amphibian ancestors because
Vaselesa [24]

Answer:

<u><em>All of the above.</em></u>

Explanation:

1. Their watertight skin minimizes moistures loss: <em>Reptiles have a reputation that they are “slimy” when we touch and hold them; however, they have dry skin, which has even fewer glands than mammals or amphibians. The main special feature of their skin is that the epidermis is heavily keratinized with a layer, which also prevents water loss.</em>

2. Amphibians must lay eggs in water or in moist soil to reduce moisture loss: <em>Because amphibian eggs don't have an amnion, the eggs would dry out if they were laid on the land, so amphibians lay their eggs in water.</em>

3. Reptile egg shells are harder than amphibians' eggs: <em>Reptile eggs are coated with a leathery or brittle coating, and the animals that hatch from them are miniature versions of the full-sized animal parent. In contrast, amphibian eggs are transparent and jelly-like. The animals that hatch from them still must go through metamorphosis.</em>

<u><em>Hope this helps you have a better understanding:) !!</em></u>

7 0
2 years ago
Which is an important difference between light-dependent (L-D) and light-independent (L-IND) reactions in photosynthesis? The L-
Yuliya22 [10]

Answer;

The L-D reactions require light energy and water, and the L-IND reactions require ATP, NADPH and CO2.

Explanation;

-Photosynthesis is the process by which green plants use light energy from the sun, water and carbon dioxide to make organic molecules, such as simple sugars.

-The process takes place in two phases; light dependent stage and light independent stage.

-During light dependent stage light energy is used to break down water molecules into hydrogen ions and oxygen atoms.

-Light independent reactions uses CO2 and the ATP and NADPH from light dependent reactions to produce sugar/ glucose. ATP is used to provide the energy for sugar synthesis and NADPH is used for electrons in the reduction of Carbon Dioxide into sugar.


6 0
3 years ago
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If a pea plant's alleles for height are tt, what is true of its parents?
marissa [1.9K]
Both of  its parents must have had a t gene

4 0
3 years ago
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Why is offering choice a revolutionary concept at a zoo? Identify an element from what you read in the unit as to how zoos are c
jek_recluse [69]

From the video we can infer that a group of friends went on an excursion to a zoo and saw the treatment of different animals present.

<h3>What is a Zoo?</h3>

This is a place where animals are kept for public display or for conservation purposes.

The debate between them was about the revolutionary concept of how animal treatment affects their choice selection in the zoo.

The element as to how zoos are changing that also serve the purpose of offering animals more choice include their habitat and diet.

Read more about Zoo here brainly.com/question/27957799

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4 0
2 years ago
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