Notes, abstracts, papers, exams and problems of Public contest

To sort the diversity of life using a rating system. Kingdom, phylum. sub class, super, order, sub groups, sub, genus, species, sub. Hierarchical binomial nomenclature, the greater the taxa categories. To reconstruct the phylogeny of a group uses a character that varies among members (ancestral character.) Is also used to compare outgroup (outgroup ) This is phylogenetically close, but not part of the study group. For any phylogenetic reconstruction we need to consider the characters that we use in our analysis and determine which is the primitive condition that presents the common ancestor of several. In this sense, we use the apomorphies that
refer to a derived or specialized character. In contrast, plesiomorphic, is a primitive character.

Benefits of Having Siblings

• Siblings promote physical activity, reducing the likelihood of obesity.
• Parents save money by handing down and sharing items between children.
• Being an only child can enhance imagination and sociability.

Challenges of Being an Only Child

• Only children may feel lonely without close school friends or during family crises.
• Caring for elderly parents can be more stressful for only children.

Grammar

1. • I have been helping.
   • I was trying.
   • I took.
   • They had already disappeared.
   • It is going to sell.
   • I will be attending.
   • I will have finished.
   • They are holding.
   • I will call.
2. • How long has it been since you swapped with a Canadian family?
   • When did your daughter learn to surf?
   • What have you been doing some research about?
   • Does your flight leave at 22:

Amylase begins the digestive process by breaking down starch when you chew your food, converting it into a smaller carbohydrate. Pepsin helps digest the proteins in food because amylase is at the mouth and the pepsin at the stomach.

Chyle

Is a body fluid in the small intestine. It is turbid and milky due to the presence of emulsified fats. Is formed from the chyme during the digestion of fatty foods.

Intestinal Flora

Is the symbiotic bacteria occurring naturally in the gut.

Defecation

Is the final action of digestion, by which organisms eliminate solid, semisolid, or liquid waste material from the digestive tract via the anus.

Mechanical Digestion

This is the enzymatic breakdown of large, complex molecules found in food into smaller, simpler, more... Continue reading "Understanding Digestion, Blood Composition, and the Endocrine System" »

Conditions for Life

Several key factors make life on Earth possible:

• Water
• A magnetic field
• A protective atmosphere
• Carbon compounds
• An energy source

Biotic and Abiotic Factors

Biotope: The non-living part of an environment, including all abiotic factors.

Biocenosis: All living things from every species within a defined area that provides the necessities for survival.

Ecosystem: A natural environment where living things interact with each other and their surroundings.

Trophic Levels

Ecosystems often have distinct trophic levels:

• Tertiary consumers
• Secondary consumers
• Primary consumers
• Producers

Predation

Predation is an interspecific relationship where one living thing kills another for food.

Soil Composition

Topsoil: Composed of partially decomposed organic matter... Continue reading "Understanding Our Ecosystem" »

Description of Human Faculties

Primitive Christianity made a huge effort to absorb the essential elements of Greek philosophy. A basic element is reason. According to the Platonic model, there are two different meanings or types of reason.

Universal Reason (LOGOS)

It governs the order of the world. According to Plato, this one lies in a superior world. Its supreme essences are the ideas: good, truth, and beauty.

Individual, Partial, and Limited Reason in Each Man

It allows captivating the superior order. However, the ascendance of the sensible world to the intelligible world is never produced completely. It is always done with difficulties.

Classical Notion of Human Freedom

It is the power, rooted in reason and will, to act or not to act, and so to... Continue reading "Understanding Human Faculties and Freedom in Christian Morality" »

Verb Tenses and Expressions in English

In this article, we will explore various verb tenses and expressions commonly used in English.

Past Perfect Tense

The past perfect tense is used to express an action that occurred before another action in the past. For example, 'I wish I had studied more for the exam.'

Conditional Sentences

Conditional sentences are used to express hypothetical situations. They can be formed using different verb tenses and expressions. For example, 'If I had more time, I would have gone to the party.'

Causative Verbs

Causative verbs are used to indicate that someone or something caused an action to happen. They are formed using the structure 'subject + have + object + verb (past participle)'. For example, 'She had her car repaired... Continue reading "Understanding Verb Tenses and Expressions in English" »

Laura Pérez Vivas

Rieral Avenue n*48 2*1

17310 Lloret de Mar

Spain

03/04/2019

University of California

Berkeley, California 1384

UUEE

Dear Sir or Madam,

I am writing this letter to express my keen interest in attending the University of California, Berkeley. I believe it is the university of my dreams, and I would like to introduce myself and share my academic aspirations.

Firstly, I am a dedicated student who consistently strives for excellence. While I understand that your average admission marks are very high, I am committed to putting in the effort to achieve top scores in all subjects. I am determined to succeed, even if it requires extra study time. My goal is to pursue a degree in social work to help children without parents and provide them... Continue reading "Laura Pérez Vivas - Application for Social Work Program at UC Berkeley" »

1-Harry up!... Catch up

Present Simple (Yo voy)

He/She/It - goes (Do/Does?)

Habit or routine, general truth

• Always
• Usually
• Generally
• Regularly
• At night
• In the morning
• Every week

Present Continuous (Estoy jugando)

am/is/are + -ING

Action which is happening now, temporary action

• Now
• Right now
• At the moment
• Today
• This month
• Next day

Past Simple (Caminé)

-ED / 2nd col. (Did?)

Completed action in the past

• Yesterday
• Last week
• A year ago
• In 2007
• When

Past Continuous (Estaba estudiando)

was/were + -ING

An incomplete action in progress in the past

• Last night/week
• When
• While
• As

Present Perfect Simple (He trabajado)

have/has + -ED/2nd col.

An action that began in the past and continues until the present

• Ever
• Never
• Already
• Just
• Yet
• Recently
• For
• Since
• In recent years

Past Perfect Simple (Yo había llegado)

Had + -ED

A completed... Continue reading "English Verb Tenses Cheat Sheet" »