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Mumz [18]
3 years ago
5

Which question would ask in a dichotomous key

Biology
2 answers:
Ulleksa [173]3 years ago
7 0

Answer:

Does The Animal Have 2 legs

Is the beak Longer than 3 Cm

Explanation:

I did it on e d g u n i t y

marusya05 [52]3 years ago
3 0
A dichotomous key is created by scientist to identify objects and organisms.

Questions from a dichotomous key would be:
The fish have 1 eye or 2 eyes
Or if the alien have 2 heads or 1 head.
You might be interested in
Shifting biomes could have consequences for the regions in which the shifts occur. Read the two cases below and decide which con
Nata [24]

Answer:

increased risk of wildfires- both

local economy suffers- Case 1

carbon storage decreases - Case 2

agricultural production decreases - Case 1

carbon storage increases -  Case 1

disease vector range changes - Case 2

decreased water availability - Case 1

local economy thrives - Case 2

species range changes - Case 2

Explanation:

Fires are common to  taiga biomes. Owing to the fact that the biome in case 1 changed from an agricultural community to a grassland and subsequently to a desert, agricultural productivity will decrease, the local economy will suffer, water availability is decreased and local economy suffers as a consequence of desertification.

On the other hand, in case 2, the diseases vector range as well as species range changes due to the change in the species of foxes from Artic foxes to red foxes that carry rabies. Carbon storage decreases as the taiga biome acts as a carbon sink. The local economy thrives due to timber production.

Lastly, species range changes both in case 1 and case 2 since there is a loss of species. Species range is the area where a particular species can be found during its lifetime. Certainly, the range of area where species are found changed in cases 1 and 2.

8 0
3 years ago
Classify the sets of bones below as being part of the axial skeleton or the appendicular skeleton.
Tasya [4]

Answer:

Hello the correct answers are......

Classify the sets of bones below as being part of the axial skeleton or the appendicular skeleton.

✔ appendicular skeleton = hands and feet

✔ axial skeleton  = sternum

✔ axial skeleton  = skull

✔ appendicular skeleton = hips

✔ axial skeleton = ribs

✔ appendicular skeleton = shoulders

✔ appendicular skeleton  = arms and legs

<u>✔ axial skeleton</u>  = vertebral column

Explanation:

just took the test from edge

hope this helps :P

4 0
3 years ago
Read 2 more answers
8. Two rabbits are bred together. One is heterozygous for agouti coat
dusya [7]

Answer:

- Parental cross = Cch  x chch  

- F1 = 1/2 Cch (agouti coat); 1/2 chch (albino coat) >> 1:1 phenotypic ratio

Punnett  square:  

          ch         ch

C       Cch       Cch

ch    chch      chch

 

Explanation:

A heterozygous individual is an individual who has two different gene variants (i.e., alleles) at a particular <em>locus</em>. In this case, individuals having the "agouti coat" trait are heterozygous carrying both 'C' and 'ch' alleles. On the other hand, a homo-zygous individual has the same allele at a given <em>locus</em> (here, the 'chch' genotype associated with the albino phenotype). Therefore, as observed in the Punnett Square above, when a heterozygous parent is crossed with a homo-zygous recessive parent for a single gene, alleles segregate in the gametes of both parents so an expected 1:1 phenotypic ratio will be observed.

4 0
3 years ago
You are studying a population of ground squirrels. You trap 100 individuals and find 9 that have a light colored coat, and the r
Genrish500 [490]

The question is incomplete. Here is the complete question.

You are studying a population of ground squirrels. You trap 100 individuals and find 9 that have a light colored coat and the rest have a dark coat. You know that light coat color is recessive in ground squirrels. What is the allele frequency for the light coat allele  and the dark coat allele? How many of the dark coated individuals do you expect to be heterozygotes at the coat color gene? Assume the population is at H-W equilibrium.

Answer: Allele frequency for light coat: q = 0.3;

              Allele frequency for dark coat: p = 0.7;

             There will be 42 heterozygote;

Explanation: A population in H-W equilibrium is a population which doesn't change from one generation to the next if there are no disturbing factors, as migration or mutation.

It follows the equation: p^{2}+2pq+q^{2}=1.

p represents the frequency of the dominant allele;

q represents the frequency of the recessive allele;

2pq represents heterozygote individuals;

The sum of frequencies of both alleles must be 1, i.e.: p+q=1

For the population of squirrels:

  • Frequency of recessive allele

q^{2} = \frac{9}{100}

q = \sqrt{\frac{9}{100}}

q = 0.3

  • Frequency of dominant allele

p+q=1

p=1-q

p=1-0.3

p = 0.7

  • Frequency of heterozygote

2pq = 2*0.7*0.3 = 0.42

In a population of 100 individuals: 0.42*100 = 42

The allele frequency for the light coat is 0.3; for the dark coat is 0.7.

It is expected to have 42 heterozygote individuals in this population.

3 0
3 years ago
Which trace mineral is needed for the regulation of protein synthesis and reproduction and immune functions?A. ironB. zincC. cop
STALIN [3.7K]

Answer:

Zinc. (Ans. B)

Explanation:

Trace minerals: Trace minerals are defined as the inorganic molecules which are necessary for the human body for the different functions.

Zinc function in human metabolism is defined as a cofactor for numerous enzymes. Zinc play a role as a catalyst in a broad range of reactions. It is involved in the metabolic pathway directly or indirectly with lipids, carbohydrates, proteins, energy metabolism, and they are also important for the cell division process.

They also need for tissue and growth repair, and for reproductive development also. It's also played a vital role in immune system such as wound healing or required for the function and structure of the skin.

4 0
3 years ago
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