Exani II, Exani II -> Estructura de la Lengua
Escoge la opción que traduzca a lenguaje proposicional el siguiente enunciado.
Sacaré una buena calificación si estudio mucho.
FISICA SIMULADOR PARA LA UNAM
"Todo cuerpo permanece en reposo o movimiento rectilíneo uniforme, a menos que una fuerza externa actúe sobre él" ¿A que ley pertenece el
anterior enunciado?
Inglés
Choose the correct answer for each question according to the information in the text. Each line is numbered to help you identify them quickly.
| Sunflowers Make Bees Poop—a Lot. Here's Why That's Good | |
|---|---|
| Paragraph | Text |
| [1] | Bumblebees and other pollinators face many threats, including pesticide exposure, |
| [2] | climate change, habitat loss due to agriculture and development, and pathogens |
| [3] | that ravage multiple species. But a recent finding may help lighten their load. |
| [4] | Previous studies have shown sunflower pollen can work like a medicine for |
| [5] | bumblebees afflicted by a parasite called Crithidia bombi, a single-celled organism |
| [6] | that takes up residence in the bee's gut [and harms their health]. But scientists couldn't |
| [7] | explain how sunflower pollen vanquished C. bombi—did it boost the bees' immune |
| [8] | function, or perhaps poison the parasite directly? |
| [9] | New research, published in the Journal of Insect Physiology, shows the answer is |
| [10] | deceptively simple. "Sunflower pollen makes bumblebees poo a whole lot," says lead |
| [11] | author Jonathan Giacomini, which flushes the parasite out. |
| [12] | Plant products like nectar and pollen are a treasure trove of potential insect medicines |
| [13] | that scientists are just beginning to understand, he adds. "There are natural things out |
| [14] | there that bees are interacting with that can be beneficial for them," Giacomini says. |
| [15] | And by making changes to the landscape, scientists hope we can help give bees a |
| [16] | fighting chance. |
| [17] | Plant power |
| [18] | If you happen upon a fuzzy, buzzing, flying creature in eastern North America, there's |
| [19] | a strong chance it's a common eastern bumblebee (Bombus impatiens). Yellow and |
| [20] | black striped with a rump covered in soft hairs, they're social insects that live in |
| [21] | colonies and love a good crevice—they build their homes in birdhouses, woodpiles, |
| [22] | abandoned burrows, and dense grasses. |
| [23] | [They] are important pollinators, both in the wild and in agriculture, where they're raised |
| [24] | and used to pollinate crops including tomatoes and pumpkins. Like other pollinators, |
| [25] | bumblebees face many threats, and C. bombi isn't even the biggest bumblebee |
| [26] | bugaboo. On its own, the parasite doesn't have much of an effect on a bumblebee's |
| [27] | health. But when food is scarce, C. bombi can shorten a bee's lifespan and even |
| [28] | reduce the number of young queens a colony can produce. |
| [29] | Lynn Adler is an evolutionary ecologist at the University of Massachusetts Amherst |
| [30] | who studies interactions between plants and insects. For years, she and longtime |
| [31] | collaborator Rebecca Irwin at North Carolina State University suspected pollinators |
| [32] | might be getting dosed by flowers since plants often invest chemically active |
| [33] | compounds into their nectar and pollen to help their genetic payload arrive at |
| [34] | its destination. |
| [35] | "Many plant defensive compounds can be medicinal at certain doses," Adler says. After |
| [36] | all, "most of our human medicines come from plants." |
| [37] | Giacomini discovered the effect of sunflower pollen as an undergraduate working in |
| [38] | Adler's lab in 2018. From [these] very first tests, sunflower pollen dramatically reduced |
| [39] | C. bombi parasite load in common eastern bumblebees, often clearing infection |
| [40] | completely. "We've been shocked at how consistent and effective sunflower pollen |
| [41] | has been," Adler says. |
| Elizabeth Anne Brown, National Geographic | |
In line 38, the expression these very first tests refers to the experiments that were carried out by...
Exani III -> Metodología de la investigación
El planteamiento del problema de una investigación es el siguiente: ¿Cómo ha influido el nivel de autoconcepto de los estudiantes universitarios de carreras de ingeniería civil de instituciones públicas del estado de Sonora en su aprendizaje en las asignaturas de cálculo diferencial durante el año 2022?
Identifique el objetivo de la investigación.
HISTORIA UNIVERSAL SIMULADOR PARA LA UNAM
La frase "América para los americanos" se encuentra en:
HISTORIA DE MÉXICO SIMULADOR PARA LA UNAM
Primera forma de gobierno que se estableció en el México independiente.
FISICA SIMULADOR PARA LA UNAM
¿Cual seria la masa de un individuo de 50Kg en un planeta 3 veces más grande que la Tierra?
HISTORIA DE MÉXICO SIMULADOR PARA LA UNAM
¿Cuáles son las características del imperio de Maximiliano en México?
HISTORIA UNIVERSAL SIMULADOR PARA LA UNAM
La historia es una __________ que estudia el pasado
HISTORIA UNIVERSAL SIMULADOR PARA LA UNAM
De la lista de características que se mencionan a
continuación elige cuales corresponden a cada uno.
I. bloque capitalista II. Bloque socialista
a. La ayuda económica de los Estados Unidos de
América a Europa.
b. El establecimiento de la Doctrina Truman.
c. La creación del pacto de Varsovia
d. La creación de la OTAN.
e. La creación de un organismo de defensa contra el imperialismo de los
estados unidos de América.
Exani