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koban [17]
2 years ago
7

The fossil record provides little evidence for evolutionary change of organisms.

Biology
1 answer:
omeli [17]2 years ago
5 0
The fossil record provides a lot of evidence for evolutionary change of organisms so that statement is false
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The best representation is "C. A cactus is moved from a sunny windowsill to a dark room..", because the cactus feed itself with photosyntesis.

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A population of 120 rabbits lives in a prairie ecosystem. Which of these might prevent this population from growing any larger?
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Consider the terms egg, sperm, and sporophyte. Which term links egg and sperm directly to sporophyte?
NARA [144]

Answer:

Explanation:

La fecundación es el proceso por el cual dos gametos (masculino y femenino) se fusionan durante la reproducción sexual para crear un cigoto con un genoma derivado de ambos progenitores. Los dos fines principales de la fecundación son la combinación de genes derivados de ambos progenitores y la generación de un cigoto.

En el caso de las plantas con semillas pros, hay que diferenciar el fenómeno de la fecundación propiamente dicho (unión íntima de dos células sexuales hasta confundirse sus núcleos respectivos y, en mayor o menor grado, sus citoplasmas),1​ del proceso biológico que lo antecede: la polinización, en el que los granos de polen, desarrollados en las tecas que contiene cada antera de un estambre (hoja reproductora masculina), son transportados por el viento o los insectos a los estigmas, donde germinan emitiendo un tubo polínico que crece hacia el ovario. En este caso no se trata de gametos, sino de esporas, pues cada grano de polen contiene dos gametos o células reproductoras masculinas

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3 years ago
What is the purpose of genetically modified crops?
Sliva [168]

<u>Answer:</u>

<em>The purpose of genetically modified crops is increasing the food supply.  </em>

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<em>When crops are attacked by pests the yield of the crops reduces.</em> The natural pest tackling adaptations of the plant is not just enough to check the invasion of crops by pests. Introducing feature of pest resistance into the <em>genes of plant species will make them pest resistant.</em>  

Genetic modification is the method used to achieve this objective. In genetic modification a previously absent feature is introduced into a plant species by various scientific techniques.<em> This feature can be pest resistance, chemical resistance, improved nutrient profile etc.  </em>

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20. Why, for sexual reproduction, it is extremely important that the two gametes only have
Bad White [126]
I'm not completely sure, but I'd say D.
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