Genetics

 What is Genetics?

DNA

Genetics (from Ancient Greekγενετικόςgenetikos, "genitive" and that from γένεσιςgenesis, "origin"), a discipline of biology, is the science of genes, heredity, and variation in living organisms.

Exercise for Degree Of Comparison

Exercise :

A.    Read the text bellow!

In the biology classroom there are 5 boys :Andi, Pefi, Purnama and Mahmudin. Mahmudin is taller than Pefi, but Mahmudin is shorter than Andi. And Pefi is taller than Purnama.

Grammer time: Degree Of Comparison

Degree Of Comparison

 

In English grammar the degree of comparison of an adjective or adverbthat describes the relational value of one thing with something in another clause of a sentence. An adjective may simply describe a quality, (the positive); it may compare the quality with that of another of its kind (comparative degree); and it may compare the quality with many or all others (superlative degree). In other languages Degrees of Comparison are used when we compare one person or one thing with another.

Exercises for "Dinosaurs" text

Exercises for "Dinosaurs" text

a.Answer the questions bellow according to the text above!

1.What is dinosaurs?
2.When was dinosaurs life?
3.Are there some group of dinosaurs survive till now?
4.Dinosaurs are a diverse and varied group of animals, how many species of birds, fishes and non avian dinosaurs?
5.Some of dinosaurs are herbivore and other are carnivore, give the example both of them!
6.When was the term of dinosaurs coined?
7.What was most of scientific believe about dinosaurs?
8.When were the first fossil of dinosaurs recognized?
9.What is the word “dinosaurs” used to describe?
10.What is your opinion about dinosaurs?

Dinosaur

What is Dinosaurs?

Dinosaurs are a diverse group of animals that were the dominant terrestrialvertebrates for over 160 million years, from the late Triassic period (about 230million years ago) until the end of the Cretaceous (about 65 million years ago), when the Cretaceous–Paleogene extinction event led to the extinction of most dinosaur species at the close of the Mesozoic era. The fossil record indicates thatbirds evolved within theropod dinosaurs during the Jurassic period. Some of them survived the Cretaceous–Paleogene extinction event, including the ancestors of all modern birds. Consequently, in modern classification systems, birds are considered a type of dinosaur—the only group of which that has survived to the present day.

Exercie for PRONOUN

Exercise :

a.      Change all singulars sentences pronoun into plural!

1.      This is a notebook

2.      This an eraser

3.      That is a ball

4.      That is a building

5.      This is a square

6.      This is a hat

7.      That is black tie

8.      That is flag

9.      This is hand phone

10.  That is computer

Grammer time: PRONOUN

PRONOUN

 

There are several words that are used to replace nouns. They are called

pronouns. /Pro/ in Greek means "for" or "in place of".

KINDS OF PRONOUNS :

Pronoun is divided into Personal pronouns, Demonstrative pronoun, Indefinite pronouns, Relativeand Interrogative pronouns.