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3 years ago

Scientific Methods

Biology

2 answers:

Alexeev081 [22]3 years ago

3 0

Answer:

I believe if she is explaining what she did and how she did it the audience will be informed of if she did controlled tests. It doesn't say if she explained the outcome.

Andrews [41]3 years ago

3 0

Answer:

The correct answer will be option-It informs the audience if the study included controlled tests.

Explanation:

The communication of the results and sharing of the results through research papers and the conferences are the steps of the scientific method.

In the given condition, since the scientist is telling about the experimental setup and the materials utilized during the experiment indicates that the scientist is explaining and informing the audience about the controlled experiment that the scientist has performed to explain the scientific question.

Thus, the selected option is the correct answer.

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Carolus Linnaeus Group of answer choices developed theories of natural selection. was a proponent of evolutionary change. establ

padilas [110]

Answer:

1- was a proponent of evolutionary change.

2- established a binomial system of classification for plants and animals

Explanation:

Carolus Linnaeus was a Sweden naturalist that is considered to be the creator of the modern taxonomy. He created a dichotomic system to classify species, in which species are fixed entities without phenotypic modifications across time, this concept being contrary to Darwin's ideas. Linnaeus published his nomenclature botanical system in the book "Species Plantarum", which is nowadays a reference book for plant nomenclature.

3 0

3 years ago

Nerve cells in the visual system, anywhere from the retina back to the occipital lobe, are known as.

julsineya [31]

Nerve cells from the retina to the back of occipital lobe are known as visual neurons which constitute the optic tract.

The specialized neurons in the retina of the eye called rods and cones which are involved in perceiving light and creating images. They are known as photoreceptors.

After taking in the light, these rods and cones transmit impulses to the optic nerve. T
Optic nerve is a bundle of nerve fibers coming out of the eyeball from a point called blind spot where the rods and cones are absent and no image can be formed.
The two optic nerves, one from each eyeball cross at the optic chiasm from where onwards they are known as optic tracts.
The optic tract sends impulses from the optic chiasma to the visual cortex in the occipital lobe of the brain, which is where the image is experienced through visual neurons.

Hence, the correct answer is that they are called visual neurons which constitute the formation of the optic nerves and optic tract.

Learn more about optic nerve here:

brainly.com/question/15024733

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7 0

1 year ago

A research team studies a large Eastern Milk Snake population in a metropark. In these snakes, gene T is one gene that affects t

sweet [91]

Answer:

Option E

Explanation:

As per Hardy Weinberg's second equation of equilibrium, the sum of genotype frequency for all possible genotype in a given population with two allele is equal to

$p^2 + q^ 2+2pq = 1\\$

Substituting the given values in above equation, we get -

$0.16 + 0.64 + 0.20 =1\\ p^2+q^2+2pq= 1$

Hence, second equation satisfies.

As per Hardy Weinberg's first equation of equilibrium, sum of all allele frequencies is equal to 1

$p + q=1\\\sqrt{0.16} +\sqrt{0.64} \\0.4+0.8 = 1.2\neq 1$

Hence, this population is not in Hardy weinberg's equation.

After one generation, the frequency of T allele is $0.4$ which is the same as that of frequency of T allele in previous generation

Also as per hardy Weinberg's theory , if a population genotype frequency sums up to 1, it is in equilibrium if its allele frequency sum is also 1.

But here in 2004. This was not the case.

However, Weinberg has stated that the population which is not in equilibrium can reach equilibrium after one generation only with a new set of genotype frequency and allele frequencies.

Hence, in this case there is a possibility that allele and genotype frequencies have readjusted to sum up to 1

If frequency of the T allele is $0.4$

New frequency of the t allele would be

$1- 0.4\\= 0.6$