Life Functions

What are the characteristics of living things?

What is a life function?

The process by which living things [blank_start]ingest[blank_end] and [blank_start]digest[blank_end] materials from its environment for growth and repair is called [blank_start]digestion[blank_end].

What happens to materials that cannot be digested by organisms?

What is autotrophic nutrition?

How do heterotrophic living things eat?

Transport is the process by which substances enter (absorption) and leave the cells and become more distributed (circulated) within the cells.

Respiration turns nutrients to energy.

The process of releasing chemical energy stored in nutrients is called

Respiration does not convert the chemical energy into a usable form called ATP.

What is aerobic respiration?

What is anaerobic respiration?

The removal of wastes that are not produced by many chemical reactions occurring in the body is called excretion.

Reproduction is the process by which living things produce new organisms of their kind.

Its mandatory for an organism to reproduce otherwise it will die.

What is sexual reproduction?

What is asexual reproduction?

Growth is the process by which organisms increase in size.

In unicellular organisms, the size of the cell [blank_start]increases[blank_end]. In [blank_start]multicellular[blank_end] organisms, the size and the number of [blank_start]cells[blank_end] increase.

Development is the changes an organism goes through in their life time.

__________________ is the process of combining simple substances to make more complex substances that the organism needs.

What includes all of the activities that help to maintain an organisms stability?

Homeostasis is when an organisms internal environment remains constant.

What are stimuli?

Which two systems carry out regulation in complex animals?

Metabolism refers to all chemical reactions occurring within the cells of an organism.