The Biosphere- the concept of the biosphere

Question 1

Name the definition of: Lithosphere

Answer 1

Thin layer of soil and rocks that covers the surface of the Earth.

Question 2

Name the definition of: Hydrosphere

Answer 2

All of the water found on Earth.

Question 3

Name the definition of: Atmosphere

Answer 3

Thin layer of gases that surrounds the Earth.

Question 4

Name the definition of: Biosphere

Answer 4

All of the ares on Earth where life exists.

Question 5

Name the definition of: Decomposers

Answer 5

Organisms, such as bacteria and fungi, that break down dead plant and animal matter.

Question 6

Name the definition of: Ecosystem

Answer 6

All of the living things that live in a specific area and the non-living things that make up their environment, can be big or small.

Question 7

Name the definition of: Micro-organisms

Answer 7

Tiny organisms that live in the biosphere.

Question 8

Name the definition of: Species

Answer 8

A group of similar organisms that can mate and produce offspring.

Question 9

Name the definition of: Nutrition

Answer 9

Process that produces energy from food/ process of getting food.

Question 10

Name the definition of: Respiration

Answer 10

Breathing/Process that produces energy from food.

Question 11

Name the definition of: Excretion

Answer 11

Removal of waste substances from the body.

Question 12

Name 3 things that the biosphere contains.

Answer 12

1. The parts of the lithosphere, the hydrosphere and the atmosphere that supports life.
2. All the living organisms on Earth.
3. Dead organic matter.

Question 13

What do decomposers feed on and what are some examples of decomposers?

Answer 13

Organic matter, they also help break it down. Decomposers are things like fungi and bacteria.

Question 14

Choose the correct answer:

1. Ecosystems are all the same size.

2. Ecosystems are all different sizes.

Answer 14

2.

Question 15

Fill in the missing word:

The biosphere can be divided into smaller parts called _________.

Answer 15

ecosystems.

Question 16

Name 3 key concepts of the biosphere.

Answer 16

1. The biosphere includes air, water, & land where all living organisms live.
2. Living things need energy, water, soil, gases and the correct temperature to survive.
3. Organisms are adapted to the conditions of the environment in which they live.

Question 17

Name the 7 processes of life.

Answer 17

1. Nutrition (feeding)
2. Excretion
3. Sensitivity to the environment
4. Reproduction
5. Respiration (energy production)
6. Growth
7. Movement

Question 18

Explain Nutrition as one of the 7 processes of life.

Answer 18

Plants make their own food and animals eat plants or other animals.

Question 19

Explain Growth as one of the 7 processes of life.

Answer 19

All living things increase in size as they grow into adults.

Question 20

Explain Reproduction as one of the 7 processes of life.

Answer 20

Living things produce new individuals with the same characteristics as their parents.

Question 21

Explain Respiration as one of the 7 processes of life.

Answer 21

Living things break down food to produce energy.

Question 22

Explain Excretion as one of the 7 processes of life.

Answer 22

Waste substances are removed from the body.

Question 23

Explain Sensitivity to the environment as one of the 7 processes of life.

Answer 23

Living things detect changes or stimuli to the environment and react to them. E.g: You may sneeze to remove dust and germs that enter through you nose.

Question 24

Explain Movement as one of the 7 processes of life.

Answer 24

Animals move from one place to another to find food and shelter, or to avoid danger. Plants do not move although they can grow towards the light and the petals of a flower can open and close in response to light.