Reproduction in living things

1.1. Types of reproduction Reproduction in living things ensures that the species will continue. There are two basic types of reproduction: Sexual reproduction takes place when sex cells, known as…

Check. Test yourself

Remember what you have studied in this unit and answer the questions: What is the temperature of the matter at the Earth's core? How fast do tectonic plates move? How do two touching plates move in…

Did you know...

Colonial society was structured according to race. Those born in Spain and their descendants in America (Creole people) were at the top of the social pyramid. There was also a rich bourgeoisie dedicated…

Choose. Development of railways

Choose the correct answer: From which year, thanks to the General Railway Law, did Spain's railway network begin to be developed? How many kilometres of railway were built in the second half of the…

Writing bank

Elaboro material deportivo

Escalas. Actividad 16

Si deseas representar en un papel de 30 cm de largo por 20 cm de ancho, la planta de un edificio rectangular de 36 m de largo y 28 m de ancho, ¿qué escala, como mínimo, deberás emplear? La escala…

Evaluación (6) - Poliedros

Escribe las fórmulas del área lateral, el área total y el volumen de un prisma recto.

Evaluación inicial (4) - Cuerpos redondos

Calcula la longitud de una circunferencia sabiendo que el área del círculo que delimita es de 28,26 cm2. La longitud de la circunferencia es de cm.

Verdadero o falso. Biosensores

Indica si son verdaderas o falsas estas afirmaciones sobre los biosensores: Los biosensores permiten obtener información sobre nuestro organismo de manera invasiva. Algunas enzimas se pueden utilizar…