Work it out. Animal reproduction

A scientist proposes to measure the effect of temperature on the growth of tadpoles. To do this, he prepares two tanks of water. Tank A contains water at 20 °C, and tank B, at 24 °C. He quickly…

Summaries - Interaction, adaptation and coordination in animals and plants

1. Interaction in animals Interaction is a function that allows living things to perceive information from the outside or from inside the organism and respond to changes that take place. The term…

Think about it. The responses of plants

Remember what you have studied in this section and answer the questions: Discuss whether a plant would respond to light if the tips of the stem were cut off. Explain why poinsettias are typical…

Choose. Upthrust and buoyancy

Choose the correct answer: What equals the upward thrust experienced by a submerged object in a liquid? What is the apparent weight of an object? What happens if the weight is less than the upward…

True/False. Temperature

Answer true or false: Temperature scales are graduated based on reference points which never change On the Celsius scale 180 degrees represents freezing and evaporating water. You can have different…

Analyse. Spanish wine exports

Describe the development of wine exports. → Exports rose/dropped in (year) because...

The evolution of Spanish society

6.1. Demographic changes In recent decades, Spain has experienced a significant drop in its birth rate (10.5 % in 2010), and Spaniards are tending to have children later in life. At the same time, life…

Post modern trends and digital art

In the 1970s, artistic trends moved away from experimentation and innovation, and returned to techniques and models from previous periods. This was known as postmodernity. 5.1. Neo-expressionism,…

Usos amorosos de la posguerra española, de Carmen MARTÍN GAITE

Usos amorosos de la posguerra española, de Carmen MARTÍN GAITE Del Existencialismo al Realismo social

De la moral a la ética