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LenKa [72]
3 years ago
13

During and experiment what are the factors observed and measured?

Biology
1 answer:
Monica [59]3 years ago
7 0
Dependent reaction is the factor that is observed and measured
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The wood thrush makes its nest in woodlands in the northern and eastern United States. As patches of woods become smaller, incre
vampirchik [111]

Answer:

A) habitat fragmentation makes it easier for cowbird parasitism to occur

Explanation:

It is a situation where by there is transformation of a large habitat into smaller patches with smaller total area secluded from one another by a habitat different from the initial one.

Habitat fragmentation can be caused due geological processes which distort the physical environment. It is also casued by human activities which could lead to loss or extinction of certain species.

Habitat fragmentation could possibly lead to loss of habitat and biodiversity.

5 0
3 years ago
Read 2 more answers
A locus that affects susceptibility to a degenerative brain disease has two alleles, V and v. In a population, 16 people have ge
Pie

Answer:

Yes, the population is evolving

Explanation:

Hardy-Weinberg equilibrium states that a population is not evolving if it is in hardy weinberg equilibrium as the alleles frequency do not change over time in generations.

In mathematical equation, the genotype frequency will be -P²+2Pq+q²=1 and allele frequency will be p+q=1, where p = dominant allele and q will be recessive allele.

In the question, since the observed genotype are-

P² - VV= 16

2Pq- Vv- 92

q²- vv- 12

<u>1. Calculate allele frequency</u>

Now we will calculate if the expected value is same or close or not.

We will calculate allele frequency

Population has 120 individuals which means it has - 240 alleles.

In which V (p) will be- 32 +92= 124 allele

p- dominant allele/ total allele=  124/ 240 = 0.52

P= 0.52

q will be 1-0.52= 0.48

<u>2. Expected genotype frequency</u>

Now we will calculate expected genotypic frequency.

P²- 0.52 X 0.52= 0.27

2Pq = 2 x 0.52x 0.48 =  0.5

q²= 0.48 x 0.48 =  0.23

<u>3. Expected progeny </u>

P²= 0.27 x 120= 32 VV

2Pq= 0.5 X 120= 60 Vv

q²= 0.23 x 120= 28 vv

Since the observed value is not equal to the expected value therefore the population is not in Hardy- Weinberg equilibrium and the population is evolving.

Thus, Yes, the population is evolving is correct.

4 0
3 years ago
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19. In bears, black fur is dominant to blonde fur. If a pure blonde bear is crossed with a
Klio2033 [76]

Answer:

use a punnit square        4

Explanation:

   Bl  Bl

b   B     B

b   B     B

4 0
3 years ago
What is the difference between the forelimbs and the hind limbs of a frog
SVETLANKA909090 [29]

the forelimb help with balance and crawling and the hind limbs are stroger than the forelimbs and they are used for jumping/hopping
7 0
3 years ago
The rock cycle is an example of the conservation of
zubka84 [21]

Answer:

matter

Explanation:

8 0
3 years ago
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