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Life functions and characteristics of life

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rockstar1514 *
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Life Functions

Life Functions

Question 1 of 26

1

What are the characteristics of living things?

Select one or more of the following:

  • made up of cells

  • do not reproduce

  • contain DNA

  • growth and developement

  • obtain and use materials; use energy

  • dont respond to their environment

  • do not maintain homeostasis

  • as a group, living things evolve

Explanation

Question 2 of 26

1

What is a life function?

Select one of the following:

  • a process that an organism carries out to survive

  • processes that an organism carries out in order to survive

  • the processes that dont help an organism survive

Explanation

Question 3 of 26

1

The process by which living things and materials from its environment for growth and repair is called .

Drag and drop to complete the text.

    ingest
    digest
    digestion

Explanation

Question 4 of 26

1

What happens to materials that cannot be digested by organisms?

Select one of the following:

  • the organism throws up

  • the materials remain inside

  • the materials are egested

Explanation

Question 5 of 26

1

What is autotrophic nutrition?

Select one or more of the following:

  • a living thing creates its own food

  • a living thing competes for its own food

  • a living thing hunts for its own food

  • a living thing does not ingest food

Explanation

Question 6 of 26

1

How do heterotrophic living things eat?

Select one of the following:

  • by obtaining energy from the sun

  • creating its own food

  • eats nothing

  • ingests its own food

Explanation

Question 7 of 26

1

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

Select one of the following:

  • True
  • False

Explanation

Question 8 of 26

1

Respiration turns nutrients to energy.

Select one of the following:

  • True
  • False

Explanation

Question 9 of 26

1

The process of releasing chemical energy stored in nutrients is called

Select one of the following:

  • metabolism

  • synthesis

  • dehydration

  • respiration

Explanation

Question 10 of 26

1

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

Select one of the following:

  • True
  • False

Explanation

Question 11 of 26

1

What is aerobic respiration?

Select one of the following:

  • does not require oxygen for chemical reactions during the function of respiration to occur

  • requires oxygen for chemical reactions during the function of respiration to occur

Explanation

Question 12 of 26

1

What is anaerobic respiration?

Select one of the following:

  • requires oxygen for chemical reactions during the function of respiration to occur

  • does not require oxygen for chemical reactions during the function of respiration to occur

Explanation

Question 13 of 26

1

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

Select one of the following:

  • True
  • False

Explanation

Question 14 of 26

1

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

Select one of the following:

  • True
  • False

Explanation

Question 15 of 26

1

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

Select one of the following:

  • True
  • False

Explanation

Question 16 of 26

1

What is sexual reproduction?

Select one of the following:

  • two parents involved and the offspring are not identical

  • a single individual produces offspring that are identical to that parent

Explanation

Question 17 of 26

1

What is asexual reproduction?

Select one of the following:

  • a single individual produces offspring that are identical to that parent

  • two parents are involved and the offspring are not identical

Explanation

Question 18 of 26

1

Growth is the process by which organisms increase in size.

Select one of the following:

  • True
  • False

Explanation

Question 19 of 26

1

In unicellular organisms, the size of the cell . In organisms, the size and the number of increase.

Drag and drop to complete the text.

    increases
    decreases
    multicellular
    cells

Explanation

Question 20 of 26

1

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

Select one of the following:

  • True
  • False

Explanation

Question 21 of 26

1

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

Select one of the following:

  • synthesis

  • regulation

  • metabolism

Explanation

Question 22 of 26

1

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

Select one of the following:

  • regulation

  • reproduction

  • respiration

  • synthesis

Explanation

Question 23 of 26

1

Homeostasis is when an organisms internal environment remains constant.

Select one of the following:

  • True
  • False

Explanation

Question 24 of 26

1

What are stimuli?

Select one of the following:

  • noises in the environment

  • effects of a cause

  • changes in environment

Explanation

Question 25 of 26

1

Which two systems carry out regulation in complex animals?

Select one or more of the following:

  • skeletal

  • ciculatory

  • nervous

  • endocrine

  • none of the above

Explanation

Question 26 of 26

1

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

Select one of the following:

  • True
  • False

Explanation

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