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aliina [53]
3 years ago
13

The shrubs and trees in windbreaks protect soil from erosion by rain water. true or false

Biology
1 answer:
DedPeter [7]3 years ago
3 0
I believe that is true
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Unit 3 Exam
sergeinik [125]

Answer:

The correct answer to the question is D suboptimal temperatures

Explanation:

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3 years ago
The Great American Biotic Interchange helped establish the fauna that exist in both North and South America today. Which of the
patriot [66]

Answer:

The correct answer is option d. "Many species that moved into North America from South America outcompeted the endemic taxa and still exist today".

Explanation:

The Great American Biotic Interchange (GABI) was an historical period at which numerous species from South America migrated to North America, and numerous species from North America migrated to South America because of the formation of the Isthmus of Panama. During this event, many species that moved into North America from South America outcompeted the endemic taxa and still exist today. The species that successfully immigrated to South America and exist today were mostly small mammals, such as armadillos and opossums.

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3 years ago
What are the four main components of darwin’s theory of evolution?
Kitty [74]

Answer:

There are four principles at work in evolution—variation, inheritance, selection and time. These are considered the components of the evolutionary mechanism of natural selection.

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4 0
3 years ago
Read 2 more answers
In Drosophila, genes a and b control body size and color, respectively. Large body (a+) is dominant over miniature (a), and gray
frutty [35]

Answer:

1

Female gametes:

ab= 0%

ab+=0%

a+b=0%

a+b+=0%

for the miniature phenotype to occur, it is necessary to contain two recessive characters and the female must have both for it to occur, if it is homozygous for b + it will have 2 alleles b +, understanding that the female is aab + b it will only occur gametes ab +

.

2. Phenotype

Miniature body + gray=25%

Large body +gray = 50%

Large body +ebony = 25%

Miniature body +ebony =0%

As the crossing cannot occur in males, the gametes it can produce are: ab + and a + b. Although the crossing can occur in women. The gametes produced are: ab +, a + b, ab and a + b +.

the crossing occurs only in the females generating the gametes ab +, a + b, ab and a + b +

The genotypes corresponding to:

Punnet graphic

large gray body: a + ab + b, a + ab + b +, a + a + b + b

big body and ebony: a + a + bb, a + abb

miniature and gray body: aab + b +, aab + b

6 0
3 years ago
Hi please answer the following questions
Arlecino [84]

Answer:

It's used in thermometers because it has high coefficient of expansion.

conifers,mushrooms

plants trap insects because they grow in soil which is usually thin and is also poor in nutrients , so they eat insects to fulfill their nuttient requirement

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8 0
3 years ago
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