Welcome to your B7 Practice Questions 10.1 – Biology/Erdentstehung

1. 
What is the beginning of the universe, about 14 billion years ago, called?

2. 

The first elements to form were hydrogen and .

3. 
Because of gravity, matter attracted itself and formed rotating clouds of gas. Stars like our Sun formed in their centres.

4. 

When a star explodes as a , it throws elements far away.

5. 
About how long ago did the Earth form?

6. 

The formation of the first organic compounds, such as carbohydrates, nucleic acids and amino acids, is called evolution.

7. 
The formation of the Earth can be divided into three phases of evolution. Which order is correct?

8. 

Scientists think that simple were the "starter organisms" for the development of all living things.

9. 
Organisms take substances from their environment and use them to provide energy or materials to make new cells. What is this characteristic called?

10. 

A complete living thing, such as a bacterium or a mango tree, is called an .

11. 
Some non-living things have all seven characteristics of living organisms.

12. 

The ability of an organism, or part of it, to change position or place is called .

13. 
An organism picks up information about changes in its environment and reacts to the changes. Which characteristic is this?

14. 

All organisms break down glucose inside their cells to release energy they can use. This is called .

15. 
An organism gets larger by the growth of its cells and by adding new cells to its body. Which characteristic is this?

16. 

Organisms are able to make new organisms of the same species as themselves. This is called .