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Kisachek [45]
3 years ago
7

What type of particles pass through diffusion

Biology
1 answer:
velikii [3]3 years ago
6 0
Oxygen, Carbon dixoide and nonpolar .
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"While bird watching, Carl hypothesized he could identify 73 different types of birds in one day. He actually identified 65 diff
Brut [27]

Answer:

15.87%

Explanation:

<em>Carl's percentage error would be 15.87%.</em>

From the data, the hypothesized number of birds Carl could identify is 73.

The actual number of birds he was able to identify is 63.

The margin of error between the two = 73 - 63 = 10.

Hence, percentage error = error/true measurement x 100%

               = 10/63 x 100% = 15.87%

4 0
3 years ago
Which layer of the skin is exposed to the environment?
irina [24]
The stratum corneum is the most superficial layer of the epidermis...it's the one that's exposed to the environment. That's why it's waterproof!
8 0
3 years ago
In the diagram below, which step represents the excretory function of the lungs?
zheka24 [161]

Answer:

B. CO2 out

Explanation:

The excretion is the process of removal of the waste product from the body. The carbon dioxide is the byproduct of the aerobic respiration, which is carries from the tissues and the lungs by blood. In the lungs at alveoli, the carbon dioxide is transferred from the blood to the lungs and released out through the nostrils. Hence, the out of the carbon dioxide represent excretion through lungs.

4 0
3 years ago
The seeds of leguminous plants are a source of proteins. Nitrogen - fixing bacteria live in the roots of such plants. Do you thi
enyata [817]
Yes, Only bacteria can convert molecular nitrogen, into a form which can be utilized by other living beings such as plants. The nitrogen fixed by the bacteria, by this process, become available to the plants, which uptakes it, for their own growth, and is also accumulated in their seeds. Further, leguminous plants have nitrogen-fixing bacteria associated with them in synergy. They provide the plant with additional nitrogen, and in exchange obtain nutrients from the plant, for their growth and division.

5 0
3 years ago
Thinking creatively about evolutionary mechanisms, identify at least two schemes that could generate allelic polymorphism in a p
Ede4ka [16]

Complete question:

Thinking creatively about evolutionary mechanisms, identify at least

two schemes that could generate allelic polymorphism in a population except natural selection that favors heterozygotes.

<u>Select the two correct answers.</u>

-inbreeding among individuals in the population

-purifying selection against mutational variants of alleles in the population

-continuous migration of individuals with new alleles into the population

-mutations that do not severely affect viability and reproductivity

-genetic drift of alleles common in the population

-events leading to genetic bottleneck effect

Answer:

The two events that might favor heterozygotes among the options are  

  • The Continuous migration of individuals with new alleles into the population
  • Mutations that do not severely affect viability and reproductivity.  These might favor heterozygous frequencies.

Explanation:

Due to technical problems, you will find the complete explanation in the attached files.

Download pdf
3 0
3 years ago
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