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klio [65]
3 years ago
12

100 POINTS!!!!!!! I NEED TO PASS THIS EXAM!!! plz help How did colder weather affect the sparrows? Explain. What are some exampl

es of traits in animals that humans have influenced? Explain.
Biology
2 answers:
mylen [45]3 years ago
6 0

Sparrow is a bird. All birds are warm-blooded so during colder weather, they have to spend more energy to maintain their body temperature. They have to consume more food, grow thicker feather or migrate to warmer region to survive the cold weather.

Sparrows do not migrate during winters. They adapt by building their nests near human habitats. Because human habitats usually have heat, the leaked heat keeps the sparrows' nests warm during cold weather.

sineoko [7]3 years ago
3 0

Birds have a hard time in cold weather, because their body temperatures are higher than those of humans They provide warmth and insulation against colder temperatures. Many birds grow extra feathers in the months leading up to colder weather, so that they'll stay warmer when temperatures drop.

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Recombinant DNA (rDNA) _____.
Mazyrski [523]

Answer:

combines genes from organisms of different species in a lab

Explanation:

Recombinant DNA technology involves the process of joining the genes (DNA) of different multiple species in order to insert into another organism (host). Recombinant DNA technology has many applications in genetic engineering.

One example of Recombinant DNA is the synthesis of Insulin in bacteria cell where a human insulin gene is first inserted into a plasmid vector, then inserted into a bacterial cell that uses its expression abilities to transcribe and translate the gene into INSULIN protein.

This procedure is usually conducted in a laboratory with the use of certain laboratory equipments.

5 0
3 years ago
Scientific models are based on a set of observations.
faust18 [17]
The right anwser is true
3 0
3 years ago
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properties of baking soda property observed observation color white texture fine crystals odor none mixed with water dissolves m
antiseptic1488 [7]

The right option is d) bubbles

The production of bubbles when baking soda mixes with an acid such as vinegar is the observation that indicated a chemical property of the baking soda.

Baking soda (also known as sodium bicarbonate) is a nonflammable, white crystalline powder. Baking soda is odorless, and alkaline. Baking soda reacts with vinegar (acetic acid) to produce carbon dioxide (a gas), water, sodium ion and acetate ion. Baking soda is used for many purposes such as; as an antacid for treating indigestion, for baking, in fire extinguishers, as a water softener, as a pesticide, and to remove dirts from materials.


8 0
3 years ago
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Which of the following would be produced by meiosis?
iVinArrow [24]

Sperm cell. Meiosis is the creation of Sex cells, therefore, the answer would be Sperm Cell.

7 0
3 years ago
What is the thin layer of endothelial tissue that lines the inner surface of the heart and the valves called
serious [3.7K]

Answer:

Endocardium

Explanation:

The endocardium makes the innermost lining of the wall of the heart. It is present over the thin layer of connective tissue. The function of the endocardium is to provide a smooth lining for the chambers of the heart. The valves present in the heart also have endocardium. The dense connective tissue of the heart valves is covered by endocardium.

The presence of the smooth endocardium made up of endothelium reduces the surface friction as blood passes through the heart. The endocardium of heart chambers is continuous with the endothelial lining of the large blood vessels that are attached to the heart.

8 0
3 years ago
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