Lesson 1

Question 1

Living organisms have the ability to move. This movement can be internal, such as the movement of molecules within cells, or external, involving the entire organism.

Answer 1

Movement

Question 2

For example, animals can walk, run, swim, or fly, while plants can exhibit growth movements like phototropism, where they bend towards a light source.

Answer 2

Movement

Question 3

Living organisms undergo ? to obtain energy from food. can be aerobic (using oxygen) or anaerobic (not using oxygen), and it involves the breakdown of organic molecules to release energy.

Answer 3

Respiration

Question 4

humans ? by inhaling oxygen and exhaling carbon dioxide.

Answer 4

Respiration

Question 5

is the ability of living organisms to produce offspring of their own kind.

Answer 5

Reproduction

Question 6

This ensures the continuation of the species.

Answer 6

Reproduction

Question 7

Examples include animals mating and giving birth to young ones or plants producing seeds.

Answer 7

Reproduction

Question 8

involves the removal of waste products and harmful substances produced during metabolic processes.

Answer 8

Excretion

Question 9

It helps maintain a stable internal environment. Humans ? waste products like urea in urine, and plants excrete excess oxygen during photosynthesis.

Answer 9

Excretion

Question 10

is the process of obtaining and utilizing nutrients and energy sources to sustain life.

Answer 10

Nutrition

Question 11

Different organisms acquire ? in various ways. For instance, animals obtain ? by consuming food, while plants use photosynthesis to convert sunlight into energy.

Answer 11

Nutrition

Question 12

MRS.GREN

Answer 12

Movement
Respiration
Sensitivity
Growth and Development
Reproduction
Excrete
Nutrition