Chapter 2 - Living Things

Question 0

What is an organism?

Answer 0

Another name for a living thing.

Question 1

What is Biology?

Answer 1

The study of living things.

Question 2

What are living things made of?

Answer 2

Cells.

Question 3

What are the 7 characteristics of living things?

Answer 3

• Movement
• Reproduction
• Sensitivity
• Growth
• Respiration
• Excretion
• Nutrition

Question 4

What is movement?

Answer 4

The ability to move from place to place or from one position to another. Eg. An animal running/a flower opening its petals.

Question 5

What is reproduction?

Answer 5

The ability to produce new individuals of the same kind, whether it be sexual or asexual.

Question 6

What is sensitivity?

Answer 6

The ability to react to changes in the environment. Eg. Moving your hand off a hot object/a plant growing towards the sun

Question 7

What is growth?

Answer 7

When organisms grow, their cells divide.

Question 8

What is respiration?

Answer 8

The way living things get energy, from taking in food and oxygen, and then releasing energy, carbon dioxide and water.

Question 9

What is excretion?

Answer 9

The way living things remove waster from their bodies.

Question 10

What is nutrition?

Answer 10

The way in which living things get their food.

Question 11

What are the general features of plants?

Answer 11

Roots, a stem and leaves. Some plants also have flowers, cones, fruit and seeds.

Question 12

Why are plants important to humans?

Answer 12

• they produce food for themselves and other living things
• they provide shelter for animals
• they provide useful materials to humans such a linen, cotton, medicines and dyes
• they take in carbon dioxide, which helps with global warming

Question 13

What are the main features of animals?

Answer 13

Eyes, ears, hair, fur, legs, wings, a shell, fins, gills etc.

Question 14

What two groups are animals divided into, and what is the difference between them?

Answer 14

• Vertebrates are animals that have a backbone, eg. Humans, llamas, fish
• Invertebrates do not have backbones eg. Insects, octopi, crabs

Question 15

Why are animals important to humans?

Answer 15

• they provide food for humans and other animals
• they provide materials like wool and leather
• animals kept as pets reduce stress
• many sports are dependant on them like horse-racing