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ankoles [38]
3 years ago
9

19. Identify the appropriate mixed number for the picture

Biology
1 answer:
irga5000 [103]3 years ago
3 0

Answer:

C

Explanation:

you have 1 full square and 1/4 of the other square, making 1 1/4

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Why are facial reconstructions done? What benefits do they offer?<br> Forensic Science
leva [86]

Answer:

facial reconstruction is a method used in the forensic field when a crime involves unidentified remains. ... The sculptor can also reveal anatomical features (features that are related to the body structure) such as facial asymmetry, evidence of injuries like a broken nose or teeth that were lost before death.

Explanation:

3 0
3 years ago
Henry is interested in studying the different techniques perching birds use to build their nests.
TEA [102]

Hello Peppa Pig,

I'd say that the answer is B because you can observe how the perching birds make their nests.


Have a good day

3 0
3 years ago
Read 2 more answers
Porque los bioelementos y las biomolegulas son importantes para todos los organismos
miss Akunina [59]

Explanation:

Bioelementos

De los más de 100 elementos encontrados en la Tabla periódica, la materia viva está

constituida por unos 70 elementos y solo alrededor de 21, son esenciales para el desarrollo y

conservación de la vida. Estos elementos se llaman bioelementos o elementos biogénicos.

Bioelementos Primarios

Están formados por: C, H, O, N, P y S, los cuales constituyen alrededor

del 96.2% de la materia viva en base seca. Son los componentes

fundamentales de las biomoléculas. Son iimprescindibles para formar:

carbohidratos, lípidos, proteínas y ácidos nucleicos.

Clasificación de

los bioelementos

Bioelementos Secundarios

Grupo comprendido por los iones: Na+

, K+

, Ca2+, Mg2+, Cl-

. Estos

elementos aunque se encuentran en menor proporción que los

primarios, también son indispensables para los seres vivos. En medio

acuoso (solvente presente en células tejidos y órganos), siempre se

encuentran ionizados.

Oligoelementos

Son aquellos bioelementos que se encuentran en los seres vivos en un

porcentaje menor del 0.1%. Algunos, los indispensables, se encuentran

en todos los seres vivos, mientras que otros, variables, solamente los

necesitan algunos organismos. En este grupo se encuentran: Fe, Cu,

Zn, Mn, I, Ni y Co (que aparecen en la mayoría de los organismos) y Si,

F, Cr, Li, B, Mo y Al (sólo están presentes en grupos concretos).

Constituyen menos del 0.1% y son esenciales para desempeñar

procesos bioquímicos y fisiológicos.

4 0
3 years ago
11. Nery wants to create a Labradoodle. She says "If I mate a Poodle and a Labrador
kati45 [8]

Explanation:

<u>B. Hypothesis</u>

A scientist comes up with a hypothesis which is a testable explanation for the phenomenon or what’s occurring

A prediction of the outcome is usually made based on the hypothesis...

 

Further Explanation:

Scientific investigations usually begin with observations. These are typically something that would catch the researcher’s attention. Then, the scientist comes up with a hypothesis which is a testable explanation for the phenomenon or what’s occurring a prediction is usually made based on the hypothesis.

A prediction of the outcome is usually made based on the hypothesis, after which it is tested via an experiment. The scientist then use the results to make new hypotheses or predict certain outcomes.

 

Learn more about the scientific method at brainly.com/question/5096428

#LearnWithBrainly

5 0
4 years ago
How does UV light potentially affect an organisms traits
d1i1m1o1n [39]

Human skin pigmentation is the product of two clines produced by natural selection to adjust levels of constitutive pigmentation to levels of UV radiation (UVR). One cline was generated by high UVR near the equator and led to the evolution of dark, photoprotective, eumelanin-rich pigmentation. The other was produced by the requirement for UVB photons to sustain cutaneous photosynthesis of vitamin D3 in low-UVB environments, and resulted in the evolution of depigmented skin. As hominins dispersed outside of the tropics, they experienced different intensities and seasonal mixtures of UVA and UVB. Extreme UVA throughout the year and two equinoctial peaks of UVB prevail within the tropics. Under these conditions, the primary selective pressure was to protect folate by maintaining dark pigmentation. Photolysis of folate and its main serum form of 5-methylhydrofolate is caused by UVR and by reactive oxygen species generated by UVA. Competition for folate between the needs for cell division, DNA repair, and melanogenesis is severe under stressful, high-UVR conditions and is exacerbated by dietary insufficiency. Outside of tropical latitudes, UVB levels are generally low and peak only once during the year. The populations exhibiting maximally depigmented skin are those inhabiting environments with the lowest annual and summer peak levels of UVB. Development of facultative pigmentation (tanning) was important to populations settling between roughly 23° and 46° , where levels of UVB varied strongly according to season. Depigmented and tannable skin evolved numerous times in hominin evolution via independent genetic pathways under positive selection.

<span>folatevitamin DmelanintanningUVB</span>




7 0
4 years ago
Read 2 more answers
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