SCIENCE 5

Complete the information. The life cycle, from a biological point of view, is a period that includes all the different species that, through ______________, whether through asexual or sexual reproduction, generate identical organisms from others.

Complete the information. Childhood is the stage of human development that covers from birth to entry into puberty or adolescence, a time that can vary between _______________ depending on the person. This stage where the most important growth process occurs and in which the subject acquires the minimum skills necessary to live and enter society. Among them, potty training, motor skills, language, reasoning, the acquisition of basic values, etc. 1

Complete the information. Two types of sex cells, or ______________, participate in the human reproductive process. The male Gamete or sperm, and the female gamete or oocyte, come into contact with the female reproductive system and fuse with each other, generating a new being.

Complete the information. Unlike men, women have the reproductive system located entirely in the ______________. The outer part of the female reproductive organs is called the vulva, which means covering. Located in the crotch, the vulva covers the opening of the vagina and other reproductive organs located inside the body.

Complete the information. Producers: They are the so-called autotrophic organisms or primary producers, they are the first link in the food chain. They are those capable of ______________ and synthesizing organic molecules from simple inorganic molecules (water and carbon dioxide) with the incorporation of energy from the Sun.

Complete the information. Consumers: They are the so-called ___________ organisms. They can be classified into different levels, primary, secondary or tertiary, and are herbivores (a cow, a zebra) and carnivores; (lions, snakes, eagles).

Complete the information. _____________; They are detritivorous organisms. Those who eat dead organisms. For example they would be fungi or mushrooms, some insects and worms.

Complete the information. Food chains and food webs are diagrams that represent food relationships. In essence they show who eats whom; in this way, they model how energy and matter move through ecosystems. A ______________ represents a single path by which energy and material flow through an ecosystem.

Complete the information. A _____________ represents multiple pathways through which energy and material flow within an ecosystem. It includes many intersecting food chains. It shows that organisms eat and are eaten by more than one species.

Complete the information. The electrons have a negative electric charge (-), while the ______________, located in the nucleus of the Atom, have a positive charge (+). Bodies can be positively or negatively charged as a consequence of excess protons or electrons.

Complete the information. Effects of ____________: Light: When passing through the electric current, the filament of a light bulb heats it to such an extent that it makes it incandescent, and as a consequence it produces light. Fluorescent tubes contain a gas that has the property of producing light, to the passage of electric current.

Complete the information. Hot: When a conductor is crossed by an electric current, a heating occurs that is due to its ______________. The operation of household appliances such as: iron, oven, dryer, toaster, etc. is based on this phenomenon.

Complete the information. Movement: If we circulate an electric current through a ______________, in the form of a spiral located inside a magnetic field, it turns. Due to this electromagnetic phenomenon that constitutes the operating principle of electric motors, electricity is transformed into movement and vice versa.

Complete the information. ___________ materials are those that reduce, resist or completely prevent the passage of some kind of energy such as heat or electricity. They serve to protect living things, food and other objects from the elements and their conditions.

Complete the information. Breast growth in women and the start of _____________ is characterized by Adolescence (12 to 20 years old)